# Uchinoko Diary vs Life Backup

The clearest difference is ads: Life Backup at none against Uchinoko Diary's shown. Uchinoko Diary's advantage is update cadence (every 4 days vs every 3 weeks) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. Uchinoko Diary sells 1 one-off in-app purchase and Life Backup sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Uchinoko Diary ships an update every 4 days, Life Backup every 3 weeks. The most recent releases landed on October 31, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Uchinoko Diary | Life Backup |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 229 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ota Sato](https://appshunter.io/developer/1895370516) | [贺 黄](https://appshunter.io/developer/6796553051) |

## What reviewers say

### Uchinoko Diary

[App page](https://appshunter.io/ios/app/uchinoko-diary/id6763551724)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告を非表示にする | $2.99 | one-time |


### Life Backup

[App page](https://appshunter.io/ios/app/life-backup/id6813460135)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $1.99 | per month |
| Yearly Membership | $14.99 | per year |
| Lifetime Membership | $59.99 | one-time |


## Frequently asked questions

### Is Uchinoko Diary free?

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

### Is Life Backup free?

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

### Do Uchinoko Diary or Life Backup have ads?

Uchinoko Diary shows ads; Life Backup does not.

### Which is updated more often, Uchinoko Diary or Life Backup?

Uchinoko Diary ships an update every 4 days, and Life Backup every 3 weeks. Most recently, Uchinoko Diary was updated on October 31, 2026 and Life Backup on October 26, 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.*