# Brain Training vs Otus Game

The clearest difference is ads: Otus Game at none against Brain Training's shown. Otus Game also leads on update cadence (every 2 weeks vs every 2 months) and review sentiment (67% vs 52%). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Brain Training ships an update every 2 months, Otus Game every 2 weeks. The most recent releases landed on September 24, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Brain Training | Otus Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (92 ratings)](https://appshunter.io/ios/app/brain-training-quick-reaction/id1542572722/reviews)** | — |
| Number of ratings | **92** | — |
| Positive reviews | 51.5% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 146 MB | 174 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [THOMSON Inc.](https://appshunter.io/developer/492371813) | [EDENLUX Corp.](https://appshunter.io/developer/1443712682) |

## What reviewers say

### Brain Training

[App page](https://appshunter.io/ios/app/brain-training-quick-reaction/id1542572722)

This game offers fast-paced training to enhance reaction time, reflexes, and brain speed. It features simple, intuitive gameplay where players tap targets as quickly and accurately as possible to improve their performance.

**Highlights:** Improve reaction speed and reflexes, Sharpen brain processing speed, Simple and intuitive gameplay, Speed test style challenges, 20 progressive stages, Track performance and beat scores

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

**In-app purchases:** none


### Otus Game

[App page](https://appshunter.io/ios/app/otus-game/id6476952932)

Engage in a variety of games designed to improve eye health and vision. Requires membership and eye score measurement through a companion app to begin playing.

**Highlights:** Eye exercise games, Vision improvement focus, Requires Otus Plus membership, Eye score measurement integration, Suitable for tired eyes

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

**In-app purchases:** none


## Frequently asked questions

### Is Brain Training free?

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

### Is Otus Game free?

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

### Do Brain Training or Otus Game have ads?

Brain Training shows ads; Otus Game does not.

### Which is updated more often, Brain Training or Otus Game?

Brain Training ships an update every 2 months, and Otus Game every 2 weeks. Most recently, Brain Training was updated on September 24, 2026 and Otus Game on September 16, 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.*