# Quick単語帳 vs ReBrain

The clearest difference is in-app purchases: Quick単語帳 at none against ReBrain's 3. ReBrain's advantage is iOS requirement (18.2 vs 26.0). On price, update cadence, ads 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. Quick単語帳 asks for nothing beyond the download.

Quick単語帳 ships an update every 3 weeks, ReBrain every 10 days. The most recent releases landed on September 18, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Quick単語帳 | ReBrain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/quick/id6708239619/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Free | — |
| Size | 19 MB | 86 MB |
| Requires iOS | 26.0 | **18.2** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [hiroshi sakamoto](https://appshunter.io/developer/1095133045) | [ryota hatazawa](https://appshunter.io/developer/1765243887) |

## What reviewers say

### Quick単語帳

[App page](https://appshunter.io/ios/app/quick/id6708239619)

Easily create your own vocabulary notebooks with AI-powered meaning and example sentence generation. Supports multiple meanings and heteronyms, and allows quick registration from other apps and translation features. Your vocabulary data is securely saved to iCloud.

**Highlights:** AI-generated meanings and example sentences, Supports multiple meanings and heteronyms, Quick registration from other apps, Translation feature for word registration, iCloud automatic cloud saving, Centralized management of all vocabulary

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

**In-app purchases:** none


### ReBrain

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

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


## Frequently asked questions

### Is Quick単語帳 free?

Quick単語帳 is free to download, with no in-app purchases.

### Is ReBrain free?

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

### Do Quick単語帳 or ReBrain have ads?

Neither Quick単語帳 nor ReBrain shows ads.

### Which is updated more often, Quick単語帳 or ReBrain?

Quick単語帳 ships an update every 3 weeks, and ReBrain every 10 days. Most recently, Quick単語帳 was updated on September 18, 2026 and ReBrain on September 12, 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.*