# Вычитание и сложение до 10 vs CogniStar

The clearest difference is price: CogniStar at Free against Вычитание и сложение до 10's $2.99. CogniStar also leads on update cadence (every 11 days vs every 36 months). Вычитание и сложение до 10's advantage is in-app purchases (none vs 3) and iOS requirement (12.0 vs 15.0). On ads and device support there is nothing between them.

CogniStar is free to download; Вычитание и сложение до 10 costs $2.99 up front. CogniStar sells 3 in-app purchases, starting at $4.99 per month. Вычитание и сложение до 10 asks for nothing beyond the download.

Вычитание и сложение до 10 ships an update every 36 months, CogniStar every 11 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Вычитание и сложение до 10 | CogniStar |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cognistar-brain-training/id6787395641/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 11 days** |
| Monetization | Paid | **Freemium** |
| Size | 18 MB | 113 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sergey Malugin](https://appshunter.io/developer/562782409) | [suleyman kardas](https://appshunter.io/developer/1298155143) |

## What reviewers say

### Вычитание и сложение до 10

[App page](https://appshunter.io/ios/app/10/id577942601)

This app makes learning addition and subtraction up to 10 fun for preschoolers and first graders. It features four adaptive mini-games and a unique handwriting recognition system for practicing numbers.

**Highlights:** Interactive mini-games, Adaptive difficulty, Handwriting recognition, Addition and subtraction practice, Number writing skill development

**Features:** macOS Compatibility

**In-app purchases:** none


### CogniStar

[App page](https://appshunter.io/ios/app/cognistar-brain-training/id6787395641)

This app offers engaging cognitive games for children aged 6-10, focusing on attention, memory, logic, and spatial reasoning. It features adaptive learning, progress tracking, and printable worksheets in a safe, ad-free environment.

**Highlights:** 144+ dynamic game modes, Adaptive learning engine, Parent dashboard and stats, Custom PDF worksheet generator, Offline mode

**Features:** macOS Compatibility, Family Sharing, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CogniStar Premium Monthly | $4.99 | per month |
| CogniStar Premium 6 Months | $19.99 | per 6 months |
| CogniStar Premium Annual | $29.99 | per year |


## Frequently asked questions

### Is Вычитание и сложение до 10 free?

Вычитание и сложение до 10 costs $2.99, with no in-app purchases.

### Is CogniStar free?

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

### Do Вычитание и сложение до 10 or CogniStar have ads?

Neither Вычитание и сложение до 10 nor CogniStar shows ads.

### Which is updated more often, Вычитание и сложение до 10 or CogniStar?

Вычитание и сложение до 10 ships an update every 36 months, and CogniStar every 11 days. Most recently, Вычитание и сложение до 10 was updated on November 1, 2026 and CogniStar on October 31, 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.*