# Hidden Numbers vs MTT

The clearest difference is in-app purchases: MTT at none against Hidden Numbers's 1. MTT also leads on ads (none vs shown) and update cadence (monthly vs every 12 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Hidden Numbers sells 1 one-off in-app purchase. MTT asks for nothing beyond the download.

Hidden Numbers ships an update every 12 months, MTT monthly. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Hidden Numbers | MTT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/hidden-numbers-math-game/id1134423185/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 231 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Michal Sajban](https://appshunter.io/developer/1523258286) | [Pixelhunters](https://appshunter.io/developer/1005011629) |

## What reviewers say

### Hidden Numbers

[App page](https://appshunter.io/ios/app/hidden-numbers-math-game/id1134423185)

Master math and counting with engaging puzzles. This game offers dynamic modes, custom difficulty, and timed or relaxed play. Compete globally and play offline to sharpen your arithmetic skills.

**Highlights:** 7 Dynamic Game Modes, Custom Difficulty, Timed vs. Relaxed Play, Global Leaderboards, 100% Offline Play, Arithmetic Skill Improvement

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version + no ads! | $1.99 | one-time |


### MTT

[App page](https://appshunter.io/ios/app/mtt-memory-challenge/id1523218276)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hidden Numbers free?

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

### Is MTT free?

MTT is free to download, with no in-app purchases.

### Do Hidden Numbers or MTT have ads?

Hidden Numbers shows ads; MTT does not.

### Which is updated more often, Hidden Numbers or MTT?

Hidden Numbers ships an update every 12 months, and MTT monthly. Most recently, Hidden Numbers was updated on November 2, 2026 and MTT on November 7, 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.*