# usagiDiary vs MoonBun

The clearest difference is rating: usagiDiary at 5.0 against MoonBun's 1.0. usagiDiary also leads on review sentiment (42% vs 0%) and update cadence (weekly vs every 2 months). MoonBun's advantage is in-app purchases (none vs 4). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. usagiDiary sells 4 in-app purchases, starting at $2.99 per month. MoonBun asks for nothing beyond the download.

usagiDiary holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 42% of usagiDiary's written reviews are positive against 0% of MoonBun's.

usagiDiary ships an update weekly, MoonBun every 2 months. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | usagiDiary | MoonBun |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/usagidiary/id1552918111/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/moonbun/id6766747605/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | **42.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Freemium | **Free** |
| Size | 101 MB | 17 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [RYUNOSUKE OTA](https://appshunter.io/developer/1552918113) | [STUBBORN MULE SOFTWARE LLC](https://appshunter.io/developer/1887172802) |

## What reviewers say

### usagiDiary

[App page](https://appshunter.io/ios/app/usagidiary/id1552918111)

Easily track your rabbit's daily health and care activities. Monitor food intake, weight, droppings, and more with customizable categories and a visual calendar. Get deeper insights with premium features for long-term health tracking.

**Highlights:** Daily health logging for rabbits, Customizable care categories, Calendar view of entries, Visual weight tracking chart, Support for multiple rabbits, Birthday and anniversary celebrations

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| usagi Diary Premium | $2.99 | per month |
| うさぎDiaryプロプラン | $5.99 | per month |
| usagi Diary Premium(Annual) | $19.99 | per year |
| うさぎDiaryプロプラン | $49.99 | per year |


### MoonBun

[App page](https://appshunter.io/ios/app/moonbun/id6766747605)

This app centralizes all rabbit care information, including feeding logs, health observations, and vet details. Set reminders for routines and share care plans with household members or boarding facilities. Access educational resources for common bunny care questions.

**Highlights:** Daily care logging (feeding, health, weight), Customizable reminders for routines, Health and weight trend tracking, Vet visit and medical record storage, Household care sharing, Boarding facility handoff tools, Rabbit care educational resources

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

**In-app purchases:** none


## Frequently asked questions

### Is usagiDiary free?

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

### Is MoonBun free?

MoonBun is free to download, with no in-app purchases.

### Which has better reviews, usagiDiary or MoonBun?

usagiDiary is rated higher. usagiDiary averages 5.0 out of 5 from 1 ratings, while MoonBun averages 1.0 from 1 ratings.

### Do usagiDiary or MoonBun have ads?

Neither usagiDiary nor MoonBun shows ads.

### Which is updated more often, usagiDiary or MoonBun?

usagiDiary ships an update weekly, and MoonBun every 2 months. Most recently, usagiDiary was updated on October 3, 2026 and MoonBun 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.*