# Count Doku vs Trust Issues

The clearest difference is in-app purchases: Trust Issues at none against Count Doku's 8. Trust Issues also leads on ads (none vs shown) and update cadence (every 10 days vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Count Doku sells 8 one-off in-app purchases. Trust Issues asks for nothing beyond the download.

Count Doku ships an update every 3 weeks, Trust Issues every 10 days. The most recent releases landed on October 4, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Count Doku | Trust Issues |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/count-doku-mental-math-games/id6474322246/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 38 MB | 67 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Digiruu](https://appshunter.io/developer/1549213591) | [Kye Wilson](https://appshunter.io/developer/1893295462) |

## What reviewers say

### Count Doku

[App page](https://appshunter.io/ios/app/count-doku-mental-math-games/id6474322246)

This game offers a fun and easy way to practice mental arithmetic, including addition, subtraction, multiplication, and division. It uses a unique approach to enhance problem-solving skills and understanding of mathematical relationships in short, daily sessions.

**Highlights:** Mental math practice, Addition, subtraction, multiplication, division, Creative problem-solving, Short daily sessions, Unlimited levels, Minimalist design

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pocket of Coins | $0.99 | one-time |
| Get 5 Hints | $0.99 | one-time |
| Get 15 Hints | $1.99 | one-time |
| Get 5 Hints and Remove Ads | $1.99 | one-time |
| Pouch of Coins | $2.99 | one-time |
| Get 40 Hints | $4.99 | one-time |
| Chest of Coins | $5.99 | one-time |
| Vault of Coins | $9.99 | one-time |


### Trust Issues

[App page](https://appshunter.io/ios/app/trust-issues/id6762190917)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Count Doku free?

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

### Is Trust Issues free?

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

### Do Count Doku or Trust Issues have ads?

Count Doku shows ads; Trust Issues does not.

### Which is updated more often, Count Doku or Trust Issues?

Count Doku ships an update every 3 weeks, and Trust Issues every 10 days. Most recently, Count Doku was updated on October 4, 2026 and Trust Issues on October 18, 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.*