# ブクメモ vs 3 Seconds Memo

The clearest difference is in-app purchases: ブクメモ at none against 3 Seconds Memo's 2. 3 Seconds Memo's advantage is update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 3 Seconds Memo sells 2 in-app purchases, starting at $2.99 per month. ブクメモ asks for nothing beyond the download.

ブクメモ ships an update every 2 months, 3 Seconds Memo weekly. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ブクメモ | 3 Seconds Memo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 78 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AKITO YAMAZAKI](https://appshunter.io/developer/1879795929) | [Aiju Kawase](https://appshunter.io/developer/6773546342) |

## What reviewers say

### ブクメモ

[App page](https://appshunter.io/ios/app/id6760182586)

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

**In-app purchases:** none


### 3 Seconds Memo

[App page](https://appshunter.io/ios/app/3-seconds-memo-simple-notes/id6773546340)

This app allows for rapid note-taking and idea capture, opening directly to a creation screen. It offers offline functionality, local data storage, and organizational tools like categories and tags. Premium features include ad-free usage, data export, and custom categories.

**Highlights:** Immediate memo creation on launch, Offline functionality, Local-only data storage, Organize with categories and tags, Attach photos to memos, Lock Screen widget for quick access, Export to Markdown and CSV (Premium)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Montly Plan | $2.99 | per month |
| Annual Plan | $29.99 | per year |


## Frequently asked questions

### Is ブクメモ free?

ブクメモ is free to download, with no in-app purchases.

### Is 3 Seconds Memo free?

3 Seconds Memo is free to download, with in-app purchases available.

### Do ブクメモ or 3 Seconds Memo have ads?

Both ブクメモ and 3 Seconds Memo show ads.

### Which is updated more often, ブクメモ or 3 Seconds Memo?

ブクメモ ships an update every 2 months, and 3 Seconds Memo weekly. Most recently, ブクメモ was updated on October 25, 2026 and 3 Seconds Memo on October 31, 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.*