# Тренировка памяти vs Merumi

The clearest difference is in-app purchases: Тренировка памяти at none against Merumi's 2. Merumi's advantage is update cadence (every 3 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Merumi sells 2 in-app purchases, starting at $9.99 per month. Тренировка памяти asks for nothing beyond the download.

Тренировка памяти ships an update every 4 months, Merumi every 3 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Тренировка памяти | Merumi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 days** |
| Size | 14 MB | 43 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nikita Shlapatskiy](https://appshunter.io/developer/1617308322) | [Galymzhan Zhakangerov](https://appshunter.io/developer/6788279441) |

## What reviewers say

### Тренировка памяти

[App page](https://appshunter.io/ios/app/memo/id6787396250)

**Features:** macOS Compatibility

**In-app purchases:** none


### Merumi

[App page](https://appshunter.io/ios/app/merumi/id6788279439)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Премиум (месячный) | $9.99 | per month |
| KnigaLock Premium | $12.99 | per year |


## Frequently asked questions

### Is Тренировка памяти free?

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

### Is Merumi free?

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

### Do Тренировка памяти or Merumi have ads?

Neither Тренировка памяти nor Merumi shows ads.

### Which is updated more often, Тренировка памяти or Merumi?

Тренировка памяти ships an update every 4 months, and Merumi every 3 days. Most recently, Тренировка памяти was updated on October 28, 2026 and Merumi 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.*