

📊 Our Test Results:
- 🎯 Voice Quality: Altered 9/10 vs ReadSpeaker 8/10 — Altered wins
- ⚡ Voice Cloning Speed: Altered clones in under 5 minutes vs ReadSpeaker N/A — Altered wins
- 🔒 Accessibility Compliance: ReadSpeaker WCAG 2.2 + ADA vs Altered none — ReadSpeaker wins
- 📝 Pricing Transparency: Altered clear tiers vs ReadSpeaker contact sales — Altered wins
- 🎭 Creative Flexibility: Altered 14 speaking styles vs ReadSpeaker basic TTS — Altered wins

You need AI voices for your project.
But picking the right tool is hard.
ReadSpeaker and Altered both turn text into speech.
They sound similar on paper.
But they serve very different needs.
ReadSpeaker is built for accessibility.
Altered is built for content creators.
I tested both tools for 4 weeks.
Here’s what I found.
Overview
To give you the most accurate comparison, I tested ReadSpeaker vs Altered side by side.
I spent weeks using each platform.
I examined their features and tested their voice output.
I’m sharing my firsthand experience to help you make the right choice.
What is Altered?
Altered is an AI voice content creation platform.
It lets you clone voices, morph audio, and create professional voice content.
Think of it like a photo editor — but for your voice.
You record your voice and Altered changes it to sound like someone else.
You can also type text and turn it into speech with 14 different speaking styles.
The tool focuses on voice morphing and voice cloning.
That’s what makes it different from basic text to speech tools.

Altered
Clone voices, morph audio, and create professional voice content in minutes. Altered Studio packs voice cloning, text to speech, and a real-time voice changer into one app. Free plan available.
Altered Pricing
Here’s what Altered costs in 2026.
Let’s break it down.
| Plan | Price | Best For |
|---|---|---|
| Free | $0/month | Testing basic voice editing features |
| Creator | $30/month | Solo creators and podcasters |
| Professional | $90/month | Studios and production teams |

Free trial: Yes. The free plan lets you test basic voice morphing and editing features.
Money-back guarantee: Visit the pricing page for details on Professional and Enterprise refund policies.
📌 Note: The Creator plan at $30/month unlocks voice cloning, all speaking styles, and the full voice editor. Most users start here for the best value.
⚠️ Warning: The free plan is very limited. You cannot access voice cloning or advanced speaking styles without upgrading to Creator.
Key Benefits of Altered
Here’s why Altered stands out from the competition:
- Voice Cloning Technology: Clone any voice in under 5 minutes. Create custom voice models that sound natural and authentic.
- Voice Morphing: Change your voice to sound like a different person while keeping your emotion and timing. This is Altered’s standout feature.
- 14 Speaking Styles: Go from a whisper to a shout with emotive text to speech. No other tool offers this many vocal styles.
- Real-Time Voice Changer: Change your voice during live calls and gaming sessions with low latency and noise cancellation.
- 75+ Language Support: Transcribe and translate audio content into 75+ languages. Perfect for global content teams.
- All-in-One Platform: Voice cloning, morphing, TTS, editing, and translation live in one app. No need to juggle multiple tools.
- Desktop App Available: Run Altered Studio locally on Windows and Mac. Use your own computing resources for faster processing.

Altered Pros & Cons
✅ Pros
- Voice cloning produces natural-sounding results in minutes
- 14 speaking styles give you creative control over tone and emotion
- Real-time voice changer works for live calls and gaming
- Desktop app runs locally for faster processing speeds
- Free plan available to test core features before buying
❌ Cons
- Creator plan at $30/month may be pricey for casual users
- Free plan is very limited with no voice cloning access
- Steeper learning curve compared to basic TTS tools
- No built-in accessibility features like WCAG compliance
What is ReadSpeaker?
ReadSpeaker is a cloud-based text to speech technology.
It converts online, document, and app-based text into natural-sounding audio.
Think of it like a personal reading assistant for your browser.
You add ReadSpeaker to your site or device.
It reads text aloud with highlighted words so users can follow along.
ReadSpeaker focuses on accessibility.
Schools, businesses, and government agencies use it to meet WCAG 2.2 and ADA standards.

ReadSpeaker
Make your website, documents, and apps accessible with natural-sounding text to speech. ReadSpeaker supports 50+ languages with 200+ voices and helps you comply with WCAG 2.2 and ADA standards.
ReadSpeaker Pricing
Here’s what ReadSpeaker costs in 2026.
ReadSpeaker uses a custom pricing model.
| Plan | Price | Best For |
|---|---|---|
| Custom | Contact Sales | Businesses and institutions of all sizes |

Free trial: Yes. No credit card required. You can test the tool before committing.
Money-back guarantee: Contact sales for details on refund policies.
📌 Note: ReadSpeaker TextAid is available at $4.90/month with a 14-day free trial. This is the only publicly listed price. All other products require a custom quote.
⚠️ Warning: You must contact sales for pricing on all ReadSpeaker products except TextAid. There are no self-serve pricing pages. Contracts typically run for 1 year with auto-renewal.
Key Benefits of ReadSpeaker
Here’s why ReadSpeaker stands out from the competition:
- Accessibility Compliance: ReadSpeaker helps you meet WCAG 2.2 and ADA standards. Protect your site from lawsuits and make content available to everyone.
- 50+ Languages: Support over 50 languages with 200+ humanlike voices. Reach global audiences without hiring translators.
- No Downloads Required: ReadSpeaker runs in the browser. Users click play and listen right away. No software installs needed.
- Synchronized Highlighting: Words highlight as they are spoken. This helps users with dyslexia and other reading difficulties follow along.
- LMS Integration: ReadSpeaker TextAid plugs into learning management systems as an LTI Tool. Schools can deploy it campus-wide.
- Enterprise-Grade Security: ReadSpeaker is owned by HOYA Corporation. It serves 10,000+ customers in 65 countries with strong data privacy.

ReadSpeaker Pros & Cons
✅ Pros
- Best-in-class accessibility with WCAG 2.2 and ADA compliance
- 200+ voices across 50+ languages for global reach
- No software downloads needed for end users
- Text highlighting helps users with learning disabilities
- Trusted by 10,000+ organizations worldwide
❌ Cons
- No public pricing — you must contact sales for every product
- No voice cloning or voice morphing features
- Not designed for content creators or media production
- Annual contracts with auto-renewal can lock you in
Feature Comparison
Ready to dive into a detailed comparison of ReadSpeaker vs Altered?
We’ll explore 9 key features to help you pick the right tool.
| Feature | Altered | ReadSpeaker |
|---|---|---|
| Starting Price | $0/month (Free) | Custom (Contact Sales) |
| Voice Cloning | ✅ | ❌ |
| Voice Morphing | ✅ | ❌ |
| Text to Speech | ✅ | ✅ |
| Real-Time Voice Changer | ✅ | ❌ |
| Accessibility Compliance | ❌ | ✅ (WCAG 2.2 + ADA) |
| Text Highlighting | ❌ | ✅ |
| Desktop App | ✅ (Windows + Mac) | ❌ (Cloud only) |
| Best For | Content creators and studios | Schools and enterprises |
1. AI Voice Cloning
Altered: Voice cloning is Altered’s standout feature. Upload a voice sample and the AI creates a clone in under 5 minutes. The cloned voice sounds natural and keeps the original tone. You can use cloned voices across projects without re-recording.

ReadSpeaker: ReadSpeaker does not offer voice cloning. It uses pre-built neural voices. You can choose from 200+ voices, but you cannot create a custom clone of your own voice or anyone else’s.
2. Voice Morphing
Altered: Voice morphing lets you change your voice to sound like a different person. You keep the emotion and timing of your performance. Only the voice changes. This is called speech-to-speech morphing and it’s unique to Altered.

ReadSpeaker: ReadSpeaker has no voice morphing feature. It reads text aloud using its library of synthetic voices. There is no way to change one voice into another in real time.
3. Text to Speech
Altered: Altered’s TTS includes 14 speaking styles. You can whisper, shout, or add emotion to the voice. It supports multiple languages and lets you pick from various voice providers. The emotive TTS is great for dialogue and storytelling.

ReadSpeaker: ReadSpeaker uses Deep Neural Network technology for its TTS. The voices sound natural and human-like. It supports 50+ languages with 200+ voices. ReadSpeaker’s TTS is better for reading long documents and web pages.

4. Real-Time Voice Changer
Altered: Altered has a real-time voice changer for live calls and gaming. It provides ultra-low latency morphing with noise cancellation. You can change your voice during Zoom calls, Discord chats, or live streams.
ReadSpeaker: ReadSpeaker does not have a real-time voice changer. It’s a text to speech tool, not a live voice modification tool. It reads pre-written text aloud.
5. Accessibility Features
Altered: Altered is not built for accessibility. It doesn’t help websites meet WCAG or ADA standards. It’s a creative tool for voice content production, not an accessibility solution.
ReadSpeaker: Accessibility is ReadSpeaker’s core strength. It helps organizations meet WCAG 2.2 and ADA requirements. It includes text highlighting, page masking, dictionary tools, and synchronized audio. Users with visual impairments and learning disabilities benefit the most.

⚠️ Warning: If you need WCAG or ADA compliance for your website, Altered cannot help. ReadSpeaker is the only option between these two.
6. Voice Editor
Altered: Altered Studio includes a full voice editor. You can cut, trim, and adjust audio files. The history editing feature lets you track and revert changes. It’s like a DAW built specifically for voice work.

ReadSpeaker: ReadSpeaker has no audio editing tools. It generates speech from text and plays it back. You can download MP3 files but you cannot edit the audio within the platform.
7. Language Support
Altered: Altered supports transcription and translation in 75+ languages. You can dub videos and podcasts into multiple languages. It pulls voices from various AI providers to cover a wide range of languages.
ReadSpeaker: ReadSpeaker supports 50+ languages with 200+ voices. The language support is focused on reading text aloud, not translation. ReadSpeaker’s voice quality is consistent across all supported languages.

8. Transcription and Translation
Altered: Altered can transcribe audio recordings and translate them into 75+ languages. You can go from a recorded meeting to a translated transcript in a few clicks. This makes it easy to repurpose content for global audiences.
ReadSpeaker: ReadSpeaker does not transcribe audio. It also doesn’t translate content between languages. Its focus is on reading existing text aloud in a chosen language.

9. Pricing & Cost
Let’s compare the pricing plans side by side.
| Plan | Altered | ReadSpeaker |
|---|---|---|
| Free | $0/month | Free trial (limited) |
| Entry Level | $30/month (Creator) | $4.90/month (TextAid only) |
| Professional | $90/month | Custom (Contact Sales) |
| Enterprise | Contact Sales | Custom (Contact Sales) |
Altered: Altered has clear, public pricing. The free plan lets you test basic features. The Creator plan at $30/month gives you everything most creators need. The Professional plan at $90/month adds priority support and advanced tools.
ReadSpeaker: ReadSpeaker hides its pricing behind a sales call. Only TextAid has a public price at $4.90/month. For the main products like webReader and docReader, you must contact sales. Annual contracts with auto-renewal are standard.
Different Scenarios
| If You Need… | Choose | Why |
|---|---|---|
| Website accessibility | ReadSpeaker | WCAG 2.2 + ADA compliance built in |
| Voice cloning | Altered | Clone any voice in under 5 minutes |
| Content creation | Altered | Voice morphing + 14 speaking styles |
| School or LMS use | ReadSpeaker | LTI integration for learning systems |
| Live voice changing | Altered | Real-time changer for calls and gaming |
| Transparent pricing | Altered | Public pricing from $0 to $90/month |
💰 Your Budget
Altered shows you the price upfront. You can start free and upgrade to $30/month when ready. ReadSpeaker requires a sales call, and contracts often run for a full year.
🔌 Your Tech Stack
ReadSpeaker integrates with learning management systems and web platforms. Altered works as a standalone desktop app on Windows and Mac. Pick based on where you need voice tools.
📝 Your Content Type
If you make podcasts, games, or films, Altered gives you voice cloning and morphing. If you run a website or school that needs text read aloud, ReadSpeaker is built for that.
🎓 Your Experience Level
ReadSpeaker is easier to set up. Add it to your site and it works. Altered has a steeper learning curve because it offers more creative tools. Budget time to learn voice morphing and cloning.
🆓 Free Trials and Demos
Both tools offer free trials. Altered has a permanent free plan with basic features. ReadSpeaker offers a trial with no credit card required. Test both before committing.
🛟 Support Options
ReadSpeaker offers 24/7 phone support, email, and a knowledge base. Altered provides support through their website. ReadSpeaker’s enterprise-level support is stronger for large organizations.
Switching Guide
Already using one of these tools? Here’s what to expect if you switch.
🔄 Switching from Altered to ReadSpeaker?
✅ What you’ll gain:
- WCAG 2.2 and ADA compliance for your website
- Text highlighting and page masking for accessibility
- LMS integration for schools and universities
❌ What you’ll lose:
- Voice cloning and voice morphing features
- Real-time voice changer for live calls
- Built-in audio editor and transcription tools
📋 How to switch:
- Export any audio files from Altered Studio as MP3 or WAV
- Contact ReadSpeaker sales to get a custom quote for your needs
- Install ReadSpeaker on your website or LMS using their setup guide
🔄 Switching from ReadSpeaker to Altered?
✅ What you’ll gain:
- Voice cloning and morphing for content creation
- 14 speaking styles for emotive text to speech
- Real-time voice changer for live calls and streaming
❌ What you’ll lose:
- WCAG 2.2 and ADA accessibility compliance
- Text highlighting and synchronized reading features
- 24/7 enterprise-level phone support
📋 How to switch:
- Cancel your ReadSpeaker contract before auto-renewal kicks in
- Sign up for Altered’s free plan to test features
- Upgrade to the Creator plan at $30/month when you’re ready
Final Verdict
| Category | Winner |
|---|---|
| 💰 Pricing Transparency | Altered |
| 🚀 Voice Cloning | Altered |
| ⚡ Real-Time Features | Altered |
| 🎯 Voice Quality | Altered |
| 🔒 Accessibility | ReadSpeaker |
| 👶 Ease of Use | ReadSpeaker |
| 🎭 Creative Flexibility | Altered |
| 🏆 Overall Winner | Altered |
🏆 WINNER: Altered
Altered wins 5 out of 7 categories.
Best for: Content creators, podcasters, game developers, and media production teams
Altered and ReadSpeaker are two very different products.
Altered is a creative powerhouse for voice content.
It gives you voice cloning, morphing, and real-time voice changing in one app.
ReadSpeaker is the gold standard for accessibility.
It helps schools and businesses meet legal requirements.
If you need to make your website accessible, ReadSpeaker is your tool.
But if you create audio content, Altered is the better choice.
Now, go out and create amazing voice content!
More of Altered Compared
Here’s how Altered stacks up against other competitors:
Altered vs Hume
Altered wins on: Voice cloning, voice morphing
Hume wins on: Emotion detection, empathic AI
Altered vs Murf AI
Altered wins on: Voice morphing, real-time voice changer
Murf AI wins on: Simpler interface, more affordable plans
Altered wins on: Voice cloning, 14 speaking styles
Speechify wins on: Reading documents aloud, mobile app
Altered vs Descript
Altered wins on: Voice morphing, speaking styles
Descript wins on: Video editing, podcast editing
Altered vs ElevenLabs
Altered wins on: Voice morphing, real-time changer
ElevenLabs wins on: Voice quality, larger voice library
Altered vs Play.ht
Altered wins on: Voice cloning speed, desktop app
Play.ht wins on: API access, podcast hosting
Altered vs Lovo
Altered wins on: Voice morphing, speaking styles
Lovo wins on: Video creation, stock footage
Altered vs Listnr
Altered wins on: Voice cloning, real-time changer
Listnr wins on: Blog to podcast conversion, affordability
Altered vs Podcastle
Altered wins on: Voice morphing, cloning quality
Podcastle wins on: Podcast recording, remote interviews
Altered vs Dupdub
Altered wins on: Voice cloning, desktop app
Dupdub wins on: Video dubbing, avatar creation
Altered vs WellSaid Labs
Altered wins on: Voice morphing, speaking styles
WellSaid Labs wins on: Enterprise features, brand voices
Altered vs Revoicer
Altered wins on: Voice cloning, real-time changer
Revoicer wins on: One-time pricing, simplicity
Altered vs NaturalReader
Altered wins on: Voice morphing, creative tools
NaturalReader wins on: PDF reading, student-friendly pricing
Altered vs Speechelo
Altered wins on: Voice cloning, 14 speaking styles
Speechelo wins on: One-time purchase, beginner-friendly
Altered vs TTS OpenAI
Altered wins on: Voice morphing, desktop app
TTS OpenAI wins on: API integration, developer tools
More of ReadSpeaker Compared
Here’s how ReadSpeaker stacks up against other competitors:
ReadSpeaker wins on: Accessibility compliance, 200+ voices
Hume wins on: Emotion AI, voice analysis
ReadSpeaker wins on: WCAG compliance, LMS integration
Murf wins on: Content creation, transparent pricing
ReadSpeaker wins on: Enterprise features, accessibility tools
Speechify wins on: Personal use, mobile app, pricing
ReadSpeaker wins on: Accessibility, text highlighting
Descript wins on: Video editing, podcast production
ReadSpeaker wins on: WCAG compliance, enterprise support
ElevenLabs wins on: Voice quality, voice cloning
ReadSpeaker vs Play.ht
ReadSpeaker wins on: Accessibility tools, LMS integration
Play.ht wins on: Content creation, API access
ReadSpeaker wins on: Enterprise security, 50+ languages
Lovo wins on: Video creation, affordable pricing
ReadSpeaker wins on: Accessibility, text highlighting
Listnr wins on: Blog to audio, podcast distribution
ReadSpeaker wins on: WCAG compliance, enterprise features
Podcastle wins on: Podcast recording, collaboration tools
ReadSpeaker wins on: Accessibility tools, enterprise support
Dupdub wins on: Video dubbing, avatar creation
ReadSpeaker wins on: Accessibility compliance, 50+ languages
WellSaid Labs wins on: Voice quality, brand voice creation
ReadSpeaker wins on: Enterprise features, LMS integration
Revoicer wins on: One-time pricing, ease of use
ReadSpeaker wins on: WCAG compliance, enterprise security
NaturalReader wins on: Personal use, simpler pricing
ReadSpeaker wins on: Accessibility tools, text highlighting
Speechelo wins on: One-time purchase, beginner-friendly
ReadSpeaker vs TTS OpenAI
ReadSpeaker wins on: WCAG compliance, 200+ voices
TTS OpenAI wins on: API flexibility, developer community
Frequently Asked Questions
Is Altered AI free?
Yes, Altered offers a free plan. It gives you basic access to voice editing and morphing features. But voice cloning and all speaking styles need the Creator plan at $30/month.
Is ReadSpeaker free?
ReadSpeaker offers a free trial with no credit card required. But there is no permanent free plan. You need to contact sales for pricing on most products. TextAid starts at $4.90/month.
What is the most realistic AI voice changer?
Altered Studio is one of the most realistic AI voice changers available. Its voice morphing technology keeps your emotion and timing while changing the voice. It also works in real time for live calls.
What does a ReadSpeaker do?
ReadSpeaker reads text aloud on websites, documents, and apps. It highlights words as they are spoken. Schools and businesses use it to make content accessible to people with visual impairments and learning disabilities.
Is AI voice cloning illegal?
Voice cloning itself is not illegal. But using it to impersonate someone without their consent can be. In the EU, high-risk AI applications must follow transparency and oversight rules. Always get permission before cloning a voice.













