# Hidden Numbers vs Gribli

The clearest difference is price: Gribli at Free against Hidden Numbers's $1.99. Gribli also leads on update cadence (every 3 days vs every 10 months). Hidden Numbers's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.6). On ads and in-app purchases there is nothing between them.

Gribli is free to download; Hidden Numbers costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Hidden Numbers ships an update every 10 months, Gribli every 3 days. The most recent releases landed on October 18, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Hidden Numbers | Gribli |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 days** |
| Size | 14 MB | 1 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Michal Sajban](https://appshunter.io/developer/1523258286) | [Patrice Cassard](https://appshunter.io/developer/1751700432) |

## What reviewers say

### Hidden Numbers

[App page](https://appshunter.io/ios/app/hidden-numbers-math-game-pro/id1552360997)

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

**In-app purchases:** none


### Gribli

[App page](https://appshunter.io/ios/app/gribli/id6759824235)

**In-app purchases:** none


## Frequently asked questions

### Is Hidden Numbers free?

Hidden Numbers costs $1.99, with no in-app purchases.

### Is Gribli free?

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

### Do Hidden Numbers or Gribli have ads?

Neither Hidden Numbers nor Gribli shows ads.

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

Hidden Numbers ships an update every 10 months, and Gribli every 3 days. Most recently, Hidden Numbers was updated on October 18, 2026 and Gribli on October 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*