# Synthesis Math Tutor for Kids vs Mars Encounters

The clearest difference is price: Synthesis Math Tutor for Kids at Free against Mars Encounters's $0.99. Mars Encounters's advantage is in-app purchases (none vs 5) and iOS requirement (13.0 vs 16.0).

Synthesis Math Tutor for Kids is free to download; Mars Encounters costs $0.99 up front. Synthesis Math Tutor for Kids sells 5 in-app purchases, starting at $29.00 per month. Mars Encounters asks for nothing beyond the download.

## The numbers

| Metric | Synthesis Math Tutor for Kids | Mars Encounters |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.6 (10K ratings)](https://appshunter.io/ios/app/synthesis-math-tutor-for-kids/id6448335635/reviews)** | — |
| Number of ratings | **10K** | — |
| Positive reviews | 76.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Monthly | — |
| Monetization | Freemium | — |
| Size | 3 MB | 196 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | **iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Synthesis](https://appshunter.io/developer/1684445188) | [Keri DeWitt](https://appshunter.io/developer/1227312481) |

## What reviewers say

### 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 |


### Mars Encounters

[App page](https://appshunter.io/ios/app/mars-encounters/id6478498957)

**In-app purchases:** none


## Frequently asked questions

### Is Synthesis Math Tutor for Kids free?

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

### Is Mars Encounters free?

Mars Encounters costs $0.99, with no in-app purchases.

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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.*