# Memkeep vs 秒速日記

The clearest difference is ads: Memkeep at none against 秒速日記's shown. 秒速日記's advantage is update cadence (every 2 days vs every 3 weeks) and device support (3 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Memkeep sells 1 one-off in-app purchase and 秒速日記 sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Memkeep ships an update every 3 weeks, 秒速日記 every 2 days. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Memkeep | 秒速日記 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Size | 92 MB | 90 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Burak Harun YILDIZ](https://appshunter.io/developer/1789220188) | [takafumi naito](https://appshunter.io/developer/624435912) |

## What reviewers say

### Memkeep

[App page](https://appshunter.io/ios/app/memkeep-shared-journal/id6761391819)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Notebook | $4.99 | one-time |


### 秒速日記

[App page](https://appshunter.io/ios/app/sns/id6814693888)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム（月額） | $1.99 | per month |
| プレミアム（年額） | $11.99 | per year |


## Frequently asked questions

### Is Memkeep free?

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

### Is 秒速日記 free?

秒速日記 is free to download, with in-app purchases available.

### Do Memkeep or 秒速日記 have ads?

秒速日記 shows ads; Memkeep does not.

### Which is updated more often, Memkeep or 秒速日記?

Memkeep ships an update every 3 weeks, and 秒速日記 every 2 days. Most recently, Memkeep was updated on October 28, 2026 and 秒速日記 on October 29, 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.*