# Mathstack vs ZenMath

The clearest difference is update cadence: ZenMath at every 4 days against Mathstack's every 11 days. ZenMath also leads on ratings volume (9 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Mathstack sells 3 in-app purchases, starting at $1.99 per 7 days and ZenMath sells 5 in-app purchases, starting at $4.99 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 — 5.0 for Mathstack against 4.9 for ZenMath. That said, the two scores are not equally well evidenced: ZenMath has 9 ratings behind it against 1, so its average is the more settled of the two.

Mathstack ships an update every 11 days, ZenMath every 4 days. The most recent releases landed on October 1, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Mathstack | ZenMath |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mathstack-sequence-puzzle/id6748113494/reviews)** | [4.9 (9 ratings)](https://appshunter.io/ios/app/zenmath-relaxing-numbers/id6758054426/reviews) |
| Number of ratings | 1 | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 11 days | **Every 4 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 31 MB | 34 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 4+ |
| Developer | [Hazerim Interactive Entertainment, UAB](https://appshunter.io/developer/1804702752) | [Finespace UAB](https://appshunter.io/developer/1660731132) |

## What reviewers say

### Mathstack

[App page](https://appshunter.io/ios/app/mathstack-sequence-puzzle/id6748113494)

A unique number puzzle game where you stack cards to form sequences. Strategically use temporary slots to clear the board and uncover hidden cards. Offers three difficulty levels for a tailored challenge.

**Highlights:** Sequence building gameplay, Strategic card stacking, Temporary slot management, Three difficulty levels, Uncover hidden cards

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads (Weekly) | $1.99 | per 7 days |
| No Ads (Monthly) | $5.99 | per month |
| No Ads (Lifetime) | $19.99 | one-time |


### ZenMath

[App page](https://appshunter.io/ios/app/zenmath-relaxing-numbers/id6758054426)

Engage your mind with a number puzzle game that combines math operations with intuitive swipe controls. Solve hundreds of levels by combining numbers to reach target values, offering a relaxing yet challenging experience for all ages.

**Highlights:** Number combination puzzles, Swipe-based gameplay, Hundreds of levels, Multiple math operations, Play at your own pace, Suitable for all ages

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | per month |
| ZenMath Premium | $9.99 | per month |
| 10 Hints | $2.99 | one-time |
| 25 Hints | $4.99 | one-time |
| 100 Hints | $10.99 | one-time |


## Frequently asked questions

### Is Mathstack free?

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

### Is ZenMath free?

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

### Which has better reviews, Mathstack or ZenMath?

Mathstack is rated higher. Mathstack averages 5.0 out of 5 from 1 ratings, while ZenMath averages 4.9 from 9 ratings.

### Do Mathstack or ZenMath have ads?

Both Mathstack and ZenMath show ads.

### Which is updated more often, Mathstack or ZenMath?

Mathstack ships an update every 11 days, and ZenMath every 4 days. Most recently, Mathstack was updated on October 1, 2026 and ZenMath on October 4, 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.*