# シンプル日記 vs First diary, Theme Diary

The clearest difference is in-app purchases: シンプル日記 at none against First diary, Theme Diary's 7. シンプル日記 also leads on ads (none vs shown) and update cadence (every 8 days vs every 3 weeks). On price and device support there is nothing between them.

Both are free to download. First diary, Theme Diary sells 7 in-app purchases, starting at $0.99 per 2 months. シンプル日記 asks for nothing beyond the download.

シンプル日記 ships an update every 8 days, First diary, Theme Diary every 3 weeks. The most recent releases landed on September 27, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | シンプル日記 | First diary, Theme Diary |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 36 MB | 131 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Takashi Tomoto](https://appshunter.io/developer/1367155936) | [G-SOFT](https://appshunter.io/developer/368394644) |

## What reviewers say

### シンプル日記

[App page](https://appshunter.io/ios/app/id1435001007)

**Features:** macOS Compatibility

**In-app purchases:** none


### First diary, Theme Diary

[App page](https://appshunter.io/ios/app/first-diary-theme-diary/id6483616889)

This app helps you journal your daily experiences with themes, emotions, and media. Record events with photos, videos, and location, and organize them privately. Premium features offer unlimited entries and media.

**Highlights:** Themed event recording, Emotion and level tracking, Add photos and videos, Location information, Secret themes and events, Passcode and biometric protection, iCloud sync

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Show weather | $0.99 | per 2 months |
| Hide ads | $0.99 | per month |
| Number of images | $1.99 | one-time |
| Character limit | $1.99 | one-time |
| Show weather | $3.99 | one-time |
| Hide ads (Unlimited) | $9.99 | one-time |
| Unlock passcode | $19.99 | one-time |


## Frequently asked questions

### Is シンプル日記 free?

シンプル日記 is free to download, with no in-app purchases.

### Is First diary, Theme Diary free?

First diary, Theme Diary is free to download, with in-app purchases available.

### Do シンプル日記 or First diary, Theme Diary have ads?

First diary, Theme Diary shows ads; シンプル日記 does not.

### Which is updated more often, シンプル日記 or First diary, Theme Diary?

シンプル日記 ships an update every 8 days, and First diary, Theme Diary every 3 weeks. Most recently, シンプル日記 was updated on September 27, 2026 and First diary, Theme Diary on October 2, 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.*