# Text To Speech vs Science AI

The clearest difference is rating: Science AI at 5.0 against Text To Speech's 3.9. Science AI also leads on update cadence (fortnightly vs every 2 months). Text To Speech's advantage is ratings volume (145 vs 1) and iOS requirement (13.0 vs 18.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Text To Speech sells 7 in-app purchases, starting at $2.99 per 7 days and Science AI sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Science AI holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Text To Speech has 145 ratings behind it against 1, so its average is the more settled of the two.

Text To Speech ships an update every 2 months, Science AI fortnightly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Text To Speech | Science AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (145 ratings)](https://appshunter.io/ios/app/text-to-speech-audio-reader/id1621275140/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/science-ai-question-answer/id6755410721/reviews)** |
| Number of ratings | **145** | 1 |
| Positive reviews | 18.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 82 MB | 29 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [WeBrain](https://appshunter.io/developer/1578514377) | [Navid Bin Mahamud](https://appshunter.io/developer/1609976121) |

## What reviewers say

### Text To Speech

[App page](https://appshunter.io/ios/app/text-to-speech-audio-reader/id1621275140)

Transform any text into spoken audio, creating personalized audiobooks from articles, books, or scanned documents. Enjoy listening in over 40 languages with customizable HD voices and reading speeds.

**Highlights:** Listen to articles, texts, or books as audio, Supports 40+ languages, Multiple HD voice options, Adjustable reading speed, Scan physical books with camera

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Voice Aloud Reader | $2.99 | per 7 days |
| Text Reader | $2.99 | per 7 days |
| Premium Subscription | $5.99 | per month |
| Text to Speech Reader | $5.99 | per month |
| Audio text reader | $7.99 | per year |
| Premium Subscription | $14.99 | per year |
| Premium Subscription | $14.99 | per year |


### Science AI

[App page](https://appshunter.io/ios/app/science-ai-question-answer/id6755410721)

This AI-powered companion assists with learning, problem-solving, and writing. Snap photos of questions for instant answers, generate essays, or improve your language skills. It offers a distraction-free interface and tracks your study history.

**Highlights:** AI-powered question answering, Photo-to-answer functionality, AI writing and text improvement, Smart calculator and unit converter, Study history tracking, Daily study reminders

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.99 | per month |
| Yearly | $39.99 | per year |


## Frequently asked questions

### Is Text To Speech free?

Text To Speech is free to download, with in-app purchases available.

### Is Science AI free?

Science AI is free to download, with in-app purchases available.

### Which has better reviews, Text To Speech or Science AI?

Science AI is rated higher. Text To Speech averages 3.9 out of 5 from 145 ratings, while Science AI averages 5.0 from 1 ratings.

### Do Text To Speech or Science AI have ads?

Neither Text To Speech nor Science AI shows ads.

### Which is updated more often, Text To Speech or Science AI?

Text To Speech ships an update every 2 months, and Science AI fortnightly. Most recently, Text To Speech was updated on October 27, 2026 and Science AI on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*