# 3sec Diary vs シンプル日記+

The clearest difference is ads: シンプル日記+ at none against 3sec Diary's shown. シンプル日記+ also leads on update cadence (every 6 months vs every 26 months). 3sec Diary's advantage is iOS requirement (12.0 vs 18.2). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 3sec Diary sells 1 one-off in-app purchase and シンプル日記+ sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

3sec Diary ships an update every 26 months, シンプル日記+ every 6 months. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 3sec Diary | シンプル日記+ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 26 months | **Every 6 months** |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 3 MB |
| Requires iOS | **12.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KENJI KANEMOTO](https://appshunter.io/developer/402720982) | [taiyo maeno](https://appshunter.io/developer/1798445619) |

## What reviewers say

### 3sec Diary

[App page](https://appshunter.io/ios/app/3sec-diary/id985967203)

Quickly log daily activities and feelings in just three seconds. Your entries are securely stored in your iPhone Calendar, ensuring data safety and easy access. This tool helps you preserve memories and makes research and sharing effortless.

**Highlights:** 3-second daily logging, Calendar integration, Secure data storage, Easy research and sharing, Memory preservation

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Eliminate Ads | $0.99 | one-time |


### シンプル日記+

[App page](https://appshunter.io/ios/app/plus/id6743049660)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $0.99 | one-time |


## Frequently asked questions

### Is 3sec Diary free?

3sec Diary is free to download, with in-app purchases available.

### Is シンプル日記+ free?

シンプル日記+ is free to download, with in-app purchases available.

### Do 3sec Diary or シンプル日記+ have ads?

3sec Diary shows ads; シンプル日記+ does not.

### Which is updated more often, 3sec Diary or シンプル日記+?

3sec Diary ships an update every 26 months, and シンプル日記+ every 6 months. Most recently, 3sec Diary was updated on October 4, 2026 and シンプル日記+ on October 10, 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.*