# Arkiary vs 毛球日记

The clearest difference is iOS requirement: 毛球日记 at 15.1 against Arkiary's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Arkiary ships an update weekly, 毛球日记 every 3 days. The most recent releases landed on October 14, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Arkiary | 毛球日记 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/arkiary/id6759127719/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free | — |
| Size | 29 MB | 64 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Yangning Liu](https://appshunter.io/developer/1876990159) | [欢 尹](https://appshunter.io/developer/1877843585) |

## What reviewers say

### Arkiary

[App page](https://appshunter.io/ios/app/arkiary/id6759127719)

This app offers a private space to journal thoughts, record voice memos, and attach media. It uses AI to track mood patterns and provides an AI companion for conversation. Users can also send anonymous kindness letters and create time capsules for future reflection.

**Highlights:** AI-powered journaling with templates, Voice memo and photo/video attachments, AI mood tracking and insights, AI companion for conversation, Anonymous kindness letter exchange, Time capsule creation for future self, Secure with Face ID/passcode lock

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

**In-app purchases:** none


### 毛球日记

[App page](https://appshunter.io/ios/app/id6759290118)

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

**In-app purchases:** none


## Frequently asked questions

### Is Arkiary free?

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

### Is 毛球日记 free?

毛球日记 is free to download, with no in-app purchases.

### Do Arkiary or 毛球日记 have ads?

Neither Arkiary nor 毛球日记 shows ads.

### Which is updated more often, Arkiary or 毛球日记?

Arkiary ships an update weekly, and 毛球日记 every 3 days. Most recently, Arkiary was updated on October 14, 2026 and 毛球日记 on October 20, 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.*