# 星言 vs MoodDiary

The clearest difference is update cadence: MoodDiary at every 3 days against 星言's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 星言 sells 9 in-app purchases, starting at $3.99 per month and MoodDiary sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

星言 ships an update weekly, MoodDiary every 3 days. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 星言 | MoodDiary |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 97 MB | 2 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Beijing Light For You Technology Co., Ltd.](https://appshunter.io/developer/1502344701) | [洪卫 潘](https://appshunter.io/developer/467365143) |

## What reviewers say

### 星言

[App page](https://appshunter.io/ios/app/ai/id6760647584)

A personalized AI companion that listens without judgment, remembers your conversations, and offers unique interactive features for self-discovery and emotional support. It helps you explore your inner world through simulated space travel and journaling.

**Highlights:** Personalized AI companion, AI memory for continuity, Interactive self-discovery skills, Dream analysis and illustration, Subconscious exploration, Personalized space travel journey, Integrated daily journal

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 小星月卡 | $3.99 | per month |
| 小星季卡 | $9.99 | per 3 months |
| 小星年卡 | $29.99 | per year |
| 60星币 | $0.99 | one-time |
| 330星币 | $3.99 | one-time |
| 单月购买 | $3.99 | one-time |
| 单季购买 | $9.99 | one-time |
| 1000星币 | $12.99 | one-time |
| 单年购买 | $39.99 | one-time |


### MoodDiary

[App page](https://appshunter.io/ios/app/mooddiary-mood-journal/id6793156839)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Annual | $9.99 | per year |


## Frequently asked questions

### Is 星言 free?

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

### Is MoodDiary free?

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

### Do 星言 or MoodDiary have ads?

Neither 星言 nor MoodDiary shows ads.

### Which is updated more often, 星言 or MoodDiary?

星言 ships an update weekly, and MoodDiary every 3 days. Most recently, 星言 was updated on October 14, 2026 and MoodDiary on October 12, 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.*