# Readability vs Synthesis Math Tutor for Kids

Readability and Synthesis Math Tutor for Kids both sit at 4.6 stars, but that hides the real split: 77% of Synthesis Math Tutor for Kids's written reviews are positive against 55% of Readability's. Readability's advantage is chart position (#196 vs unranked) and update cadence (fortnightly vs monthly). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Readability sells 2 in-app purchases, starting at $19.99 per month and Synthesis Math Tutor for Kids sells 5 in-app purchases, starting at $29.00 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Readability against 4.6 for Synthesis Math Tutor for Kids. Both are backed by a comparable volume of ratings — 26K and 10K respectively. Written reviews are what separate them: 55% of Readability's written reviews are positive against 77% of Synthesis Math Tutor for Kids's.

Readability ships an update fortnightly, Synthesis Math Tutor for Kids monthly. The most recent releases landed on November 12, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | Readability | Synthesis Math Tutor for Kids |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (26K ratings)](https://appshunter.io/ios/app/readability-learn-to-read/id1477213383/reviews)** | [4.6 (10K ratings)](https://appshunter.io/ios/app/synthesis-math-tutor-for-kids/id6448335635/reviews) |
| Number of ratings | **26K** | 10K |
| Positive reviews | 55.3% of reviews | **76.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | Freemium |
| Best chart rank | **#196** | — |
| Size | 247 MB | 3 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [e4site Inc.](https://appshunter.io/developer/1477213382) | [Synthesis](https://appshunter.io/developer/1684445188) |

## What reviewers say

### Readability

[App page](https://appshunter.io/ios/app/readability-learn-to-read/id1477213383)

**Currently charting:** #196 Top Grossing · Education (US App Store)

This app offers AI-powered reading assistance for children, acting like a personal tutor. It listens as kids read, provides real-time pronunciation correction, and enhances vocabulary and comprehension through interactive questions. Parents can track progress via a dashboard.

**Highlights:** AI-powered reading assistance, Real-time pronunciation correction, Interactive comprehension questions, Personalized vocabulary lists, Parent progress dashboard, Grade-level stories and books

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Readability Tutor | $19.99 | per month |
| Readability Tutor Annual | $139.99 | per year |

**What reviewers like**

- 👍 Helpful for struggling readers
- 🚀 Improves reading fluency
- 💡 Engaging for kids
- 👍 Useful data and progress tracking

**What reviewers complain about**

- 🐛 Voice recognition issues
- 🐛 Inaccurate comprehension tests
- 💰 Expensive subscription
- 🐛 Glitchy performance

**Reported bugs**

- App charges for free trial
- Subscription cancellation issues
- Inconsistent app behavior
- Compatibility problems on some devices

**Requested features**

- More customization options for text and background
- Improved voice recognition accuracy
- Expanded book selection
- Better comprehension testing


### Synthesis Math Tutor for Kids

[App page](https://appshunter.io/ios/app/synthesis-math-tutor-for-kids/id6448335635)

An AI-powered math tutor offers personalized, adaptive lessons for children aged 5-11. It covers a range of topics with interactive guidance and engaging gameplay, helping to build confidence and critical thinking skills.

**Highlights:** AI-powered adaptive lessons, Interactive digital tutor, Multi-sensory learning with digital manipulatives, Progress tracking for accuracy and speed, Engaging gameplay for math practice, Adaptive flashcards

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Synthesis Tutor Family Monthly | $29.00 | per month |
| Synthesis Tutor Family Monthly | $29.00 | per month |
| Synthesis Tutor Annual Family | $119.00 | per year |
| Synthesis Tutor Annual Family | $119.00 | per year |
| Synthesis Tutor Annual Monthly | $294.99 | per year |


## Frequently asked questions

### Is Readability free?

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

### Is Synthesis Math Tutor for Kids free?

Synthesis Math Tutor for Kids is free to download, with in-app purchases available.

### Which has better reviews, Readability or Synthesis Math Tutor for Kids?

Readability is rated higher. Readability averages 4.6 out of 5 from 26K ratings, while Synthesis Math Tutor for Kids averages 4.6 from 10K ratings.

### Do Readability or Synthesis Math Tutor for Kids have ads?

Neither Readability nor Synthesis Math Tutor for Kids shows ads.

### Which is updated more often, Readability or Synthesis Math Tutor for Kids?

Readability ships an update fortnightly, and Synthesis Math Tutor for Kids monthly. Most recently, Readability was updated on November 12, 2026 and Synthesis Math Tutor for Kids on November 11, 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.*