# Zombie Math vs Chessity

The clearest difference is price: Chessity at Free against Zombie Math's $0.99. Chessity also leads on update cadence (fortnightly vs every 27 months) and iOS requirement (13.0 vs 15.6). Zombie Math's advantage is rating (5.0 vs 3.0) and in-app purchases (none vs 4). On ratings volume, ads and device support there is nothing between them.

Chessity is free to download; Zombie Math costs $0.99 up front. Chessity sells 4 in-app purchases, starting at $6.99 per month. Zombie Math asks for nothing beyond the download.

Zombie Math holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Zombie Math ships an update every 27 months, Chessity fortnightly. The most recent releases landed on September 8, 2026 and June 6, 2026 respectively.

## The numbers

| Metric | Zombie Math | Chessity |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zombie-math/id813038993/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/chessity/id6468482613/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 27 months | **Fortnightly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 49 MB | 81 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [Chessity B.V.](https://appshunter.io/developer/1709956711) |

## What reviewers say

### Zombie Math

[App page](https://appshunter.io/ios/app/zombie-math/id813038993)

Embark on a math adventure where you guide a zombie to the correct answers. Solve addition, subtraction, multiplication, and division problems that increase in difficulty. This engaging app makes practicing math skills fun and exciting for young learners.

**Highlights:** Zombie-themed math challenges, Tap to select correct answers, Addition, subtraction, multiplication, division, Increasing difficulty levels, Playful visuals and interactive gameplay, Builds math confidence

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

**In-app purchases:** none


### Chessity

[App page](https://appshunter.io/ios/app/chessity/id6468482613)

Learn and play chess with interactive robots and a personal coach. Improve your game with daily goals and tips during play, making learning fun and accessible anywhere.

**Highlights:** Interactive chess robots, Personalized coaching tips, Daily learning goals, Play and learn on the go, Improved learning experience

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chessity Premium | $6.99 | per month |
| Chessity Family | $14.99 | per month |
| Chessity Premium | $69.99 | per year |
| Chessity Family | $129.99 | per year |


## Frequently asked questions

### Is Zombie Math free?

Zombie Math costs $0.99, with no in-app purchases.

### Is Chessity free?

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

### Which has better reviews, Zombie Math or Chessity?

Zombie Math is rated higher. Zombie Math averages 5.0 out of 5 from 1 ratings, while Chessity averages 3.0 from 2 ratings.

### Do Zombie Math or Chessity have ads?

Neither Zombie Math nor Chessity shows ads.

### Which is updated more often, Zombie Math or Chessity?

Zombie Math ships an update every 27 months, and Chessity fortnightly. Most recently, Zombie Math was updated on September 8, 2026 and Chessity on June 6, 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.*