# ReBrain vs Onske

The clearest difference is ads: ReBrain at none against Onske's shown. ReBrain also leads on iOS requirement (18.2 vs 26.0). Onske's advantage is update cadence (every 4 days vs every 10 days). On price, in-app purchases and device support there is nothing between them.

Both are free to download. ReBrain sells 3 in-app purchases, starting at $1.99 per month and Onske sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReBrain ships an update every 10 days, Onske every 4 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ReBrain | Onske |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Every 4 days** |
| Size | 64 MB | 35 MB |
| Requires iOS | **18.2** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ryota hatazawa](https://appshunter.io/developer/1765243887) | [TOMOKO IGIMI](https://appshunter.io/developer/1882295230) |

## What reviewers say

### ReBrain

[App page](https://appshunter.io/ios/app/rebrain-flashcards-app/id6742406188)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReBrain Pro 月額 | $1.99 | per month |
| ReBrain Pro 年額 | $5.99 | per year |
| ReBrain Pro 買い切り | $9.99 | one-time |


### Onske

[App page](https://appshunter.io/ios/app/onske-high-school-timetable/id6760010672)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Onske Premium | $2.99 | one-time |


## Frequently asked questions

### Is ReBrain free?

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

### Is Onske free?

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

### Do ReBrain or Onske have ads?

Onske shows ads; ReBrain does not.

### Which is updated more often, ReBrain or Onske?

ReBrain ships an update every 10 days, and Onske every 4 days. Most recently, ReBrain was updated on October 30, 2026 and Onske on November 5, 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.*