# かんたんメモ帳 vs 3 Seconds Memo

The clearest difference is review sentiment: 3 Seconds Memo at 100% against かんたんメモ帳's 60%. かんたんメモ帳's advantage is in-app purchases (none vs 2). On price, update cadence, ads and device support there is nothing between them.

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

かんたんメモ帳 ships an update every 4 days, 3 Seconds Memo weekly. The most recent releases landed on October 5, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | かんたんメモ帳 | 3 Seconds Memo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 21 MB | 78 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [M kajimura](https://appshunter.io/developer/1138663828) | [Aiju Kawase](https://appshunter.io/developer/6773546342) |

## What reviewers say

### かんたんメモ帳

[App page](https://appshunter.io/ios/app/id1462603220)

This app helps you organize notes with tags, character counts, and search functionality. It offers automatic saving, a trash bin, and password protection for your data. Securely back up and restore your notes via email or other external services.

**Highlights:** Tagging with color customization, Automatic note saving, Character, line, and remaining character counters, Password lock for notes, Backup and restore via email, Search and trash bin functionality

**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 かんたんメモ帳 free?

かんたんメモ帳 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 かんたんメモ帳 or 3 Seconds Memo have ads?

Both かんたんメモ帳 and 3 Seconds Memo show ads.

### Which is updated more often, かんたんメモ帳 or 3 Seconds Memo?

かんたんメモ帳 ships an update every 4 days, and 3 Seconds Memo weekly. Most recently, かんたんメモ帳 was updated on October 5, 2026 and 3 Seconds Memo on October 23, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*