# Ebbing vs 記憶KEEPER

The clearest difference is in-app purchases: 記憶KEEPER at none against Ebbing's 2. 記憶KEEPER also leads on update cadence (every 3 days vs weekly) and iOS requirement (15.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Ebbing sells 2 in-app purchases, starting at $4.99 per month. 記憶KEEPER asks for nothing beyond the download.

Ebbing ships an update weekly, 記憶KEEPER every 3 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Ebbing | 記憶KEEPER |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Size | 28 MB | 4 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Munehito Kamura](https://appshunter.io/developer/1774708619) | [nao watanabe](https://appshunter.io/developer/1896686911) |

## What reviewers say

### Ebbing

[App page](https://appshunter.io/ios/app/ebbing-spaced-repetition/id6753039952)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ebbing Plus (Monthly) | $4.99 | per month |
| Ebbing Plus (Yearly) | $29.99 | per year |


### 記憶KEEPER

[App page](https://appshunter.io/ios/app/keeper/id6769772312)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ebbing free?

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

### Is 記憶KEEPER free?

記憶KEEPER is free to download, with no in-app purchases.

### Do Ebbing or 記憶KEEPER have ads?

Neither Ebbing nor 記憶KEEPER shows ads.

### Which is updated more often, Ebbing or 記憶KEEPER?

Ebbing ships an update weekly, and 記憶KEEPER every 3 days. Most recently, Ebbing was updated on October 30, 2026 and 記憶KEEPER 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.*