# Hidden Numbers vs Bacchus Karma

The clearest difference is price: Hidden Numbers at Free against Bacchus Karma's $3.99. Hidden Numbers also leads on iOS requirement (12.0 vs 18.0). Bacchus Karma's advantage is update cadence (monthly vs every 12 months). On ads, in-app purchases and device support there is nothing between them.

Hidden Numbers is free to download; Bacchus Karma costs $3.99 up front. Hidden Numbers sells 1 one-off in-app purchase and Bacchus Karma sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Hidden Numbers ships an update every 12 months, Bacchus Karma monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Hidden Numbers | Bacchus Karma |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/hidden-numbers-math-game/id1134423185/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 12 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 10 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Michal Sajban](https://appshunter.io/developer/1523258286) | [Makoto Fukuoka](https://appshunter.io/developer/1817908735) |

## 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 |


### Bacchus Karma

[App page](https://appshunter.io/ios/app/bacchus-karma/id6761338604)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 応援コーヒー | $0.49 | one-time |
| 広告なし | $0.49 | one-time |


## Frequently asked questions

### Is Hidden Numbers free?

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

### Is Bacchus Karma free?

Bacchus Karma costs $3.99, and also offers in-app purchases.

### Do Hidden Numbers or Bacchus Karma have ads?

Both Hidden Numbers and Bacchus Karma show ads.

### Which is updated more often, Hidden Numbers or Bacchus Karma?

Hidden Numbers ships an update every 12 months, and Bacchus Karma monthly. Most recently, Hidden Numbers was updated on October 24, 2026 and Bacchus Karma on October 25, 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.*