# InfoGen vs First diary, Theme Diary

The clearest difference is in-app purchases: InfoGen at none against First diary, Theme Diary's 7. InfoGen also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads 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. InfoGen asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 1, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | InfoGen | First diary, Theme Diary |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 17 MB | 131 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Takashi Shikone](https://appshunter.io/developer/1478258046) | [G-SOFT](https://appshunter.io/developer/368394644) |

## What reviewers say

### InfoGen

[App page](https://appshunter.io/ios/app/infogen-multi-functional-app/id1553210921)

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

**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 InfoGen free?

InfoGen 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 InfoGen or First diary, Theme Diary have ads?

Both InfoGen and First diary, Theme Diary show ads.

### Which is updated more often, InfoGen or First diary, Theme Diary?

InfoGen ships an update every 3 weeks, and First diary, Theme Diary every 3 weeks. Most recently, InfoGen was updated on September 1, 2026 and First diary, Theme Diary on June 1, 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.*