# Fast Diary vs 日記にお返事 偉人ジャーナル

The clearest difference is update cadence: 日記にお返事 偉人ジャーナル at every 4 days against Fast Diary's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Fast Diary sells 1 one-off in-app purchase and 日記にお返事 偉人ジャーナル sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Fast Diary ships an update every 3 months, 日記にお返事 偉人ジャーナル every 4 days. The most recent releases landed on October 27, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Fast Diary | 日記にお返事 偉人ジャーナル |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 89 MB | 19 MB |
| Requires iOS | **16.4** | 16.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Haruya Nakamura](https://appshunter.io/developer/1482524589) | [kazuya yoda](https://appshunter.io/developer/1044651438) |

## What reviewers say

### Fast Diary

[App page](https://appshunter.io/ios/app/fast-diary/id1502008283)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad hiding option | $0.99 | one-time |


### 日記にお返事 偉人ジャーナル

[App page](https://appshunter.io/ios/app/id6738715611)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 偉人返信プレミアム | $1.99 | per month |


## Frequently asked questions

### Is Fast Diary free?

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

### Is 日記にお返事 偉人ジャーナル free?

日記にお返事 偉人ジャーナル is free to download, with in-app purchases available.

### Do Fast Diary or 日記にお返事 偉人ジャーナル have ads?

Both Fast Diary and 日記にお返事 偉人ジャーナル show ads.

### Which is updated more often, Fast Diary or 日記にお返事 偉人ジャーナル?

Fast Diary ships an update every 3 months, and 日記にお返事 偉人ジャーナル every 4 days. Most recently, Fast Diary was updated on October 27, 2026 and 日記にお返事 偉人ジャーナル on October 12, 2026.

---

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