# チャット日記 vs DiaryThreads

The clearest difference is in-app purchases: チャット日記 at none against DiaryThreads's 3. チャット日記 also leads on iOS requirement (16.4 vs 18.0). DiaryThreads's advantage is update cadence (every 2 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. DiaryThreads sells 3 in-app purchases, starting at $2.99 per month. チャット日記 asks for nothing beyond the download.

チャット日記 ships an update every 3 months, DiaryThreads every 2 days. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | チャット日記 | DiaryThreads |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/diarythreads-timeline-journal/id6795139345/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | — | Freemium |
| Size | 30 MB | 42 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Yuuki Nishimura](https://appshunter.io/developer/6776836664) | [世杰 戴](https://appshunter.io/developer/1896061356) |

## What reviewers say

### チャット日記

[App page](https://appshunter.io/ios/app/id6790073549)

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

**In-app purchases:** none


### DiaryThreads

[App page](https://appshunter.io/ios/app/diarythreads-timeline-journal/id6795139345)

Transform your life into a series of shareable posts, just like social media. Capture thoughts, photos, videos, or voice notes in short entries organized into a private timeline. Gain insights into your journaling habits and revisit memories with customizable widgets.

**Highlights:** Post thoughts, photos, videos, voice notes, Private timeline organization, Insights into journaling habits, Home Screen widgets for memories and new posts, App Lock for enhanced privacy, No account required, local storage

**Features:** Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Yearly Premium | $8.99 | per year |
| Lifetime Premium | $14.99 | one-time |


## Frequently asked questions

### Is チャット日記 free?

チャット日記 is free to download, with no in-app purchases.

### Is DiaryThreads free?

DiaryThreads is free to download, with in-app purchases available.

### Do チャット日記 or DiaryThreads have ads?

Neither チャット日記 nor DiaryThreads shows ads.

### Which is updated more often, チャット日記 or DiaryThreads?

チャット日記 ships an update every 3 months, and DiaryThreads every 2 days. Most recently, チャット日記 was updated on October 24, 2026 and DiaryThreads on October 29, 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.*