# Number Brain vs Доброкарты

The clearest difference is in-app purchases: Доброкарты at none against Number Brain's 1. Доброкарты also leads on iOS requirement (13.0 vs 16.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Number Brain sells 1 one-off in-app purchase. Доброкарты asks for nothing beyond the download.

Number Brain ships an update every 4 weeks, Доброкарты every 6 weeks. The most recent releases landed on September 25, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Number Brain | Доброкарты |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/id6444880556/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 6 weeks |
| Size | 53 MB | 123 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gerard Grundy](https://appshunter.io/developer/714855075) | [Andrei Novikov](https://appshunter.io/developer/1657607690) |

## What reviewers say

### Number Brain

[App page](https://appshunter.io/ios/app/number-brain/id1196440935)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Доброкарты

[App page](https://appshunter.io/ios/app/id6444880556)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Number Brain free?

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

### Is Доброкарты free?

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

### Do Number Brain or Доброкарты have ads?

Neither Number Brain nor Доброкарты shows ads.

### Which is updated more often, Number Brain or Доброкарты?

Number Brain ships an update every 4 weeks, and Доброкарты every 6 weeks. Most recently, Number Brain was updated on September 25, 2026 and Доброкарты 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.*