# 3Q Memo Diary vs 秒速日記

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

Both are free to download. 3Q Memo Diary sells 2 in-app purchases, starting at $3.99 per month 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.

3Q Memo Diary ships an update monthly, 秒速日記 every 2 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 3Q Memo Diary | 秒速日記 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 2 days** |
| Size | 154 MB | 90 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mao YinYan](https://appshunter.io/developer/1495329876) | [takafumi naito](https://appshunter.io/developer/624435912) |

## What reviewers say

### 3Q Memo Diary

[App page](https://appshunter.io/ios/app/3q-memo-diary-notes-and-planner/id6779232331)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Premium Features | $3.99 | per month |
| Remove Ads | $2.99 | 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 3Q Memo Diary free?

3Q Memo Diary 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 3Q Memo Diary or 秒速日記 have ads?

秒速日記 shows ads; 3Q Memo Diary does not.

### Which is updated more often, 3Q Memo Diary or 秒速日記?

3Q Memo Diary ships an update monthly, and 秒速日記 every 2 days. Most recently, 3Q Memo Diary was updated on October 25, 2026 and 秒速日記 on October 24, 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.*