# 心流島 vs 夜間微光

The clearest difference is update cadence: 夜間微光 at every 2 weeks against 心流島's every 8 months. 夜間微光 also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 心流島 sells 2 in-app purchases, starting at $0.99 per month and 夜間微光 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

心流島 ships an update every 8 months, 夜間微光 every 2 weeks. Both last shipped on November 5, 2026.

## The numbers

| Metric | 心流島 | 夜間微光 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Size | 10 MB | 73 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SY YUAN CHEN](https://appshunter.io/developer/1836289668) | [YUCHEN CHANG](https://appshunter.io/developer/1888769274) |

## What reviewers say

### 心流島

[App page](https://appshunter.io/ios/app/5/id6756066211)

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月方案 | $0.99 | per month |
| 年方案 | $9.99 | per year |


### 夜間微光

[App page](https://appshunter.io/ios/app/id6761302555)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support the creator | $3.99 | one-time |


## Frequently asked questions

### Is 心流島 free?

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

### Is 夜間微光 free?

夜間微光 is free to download, with in-app purchases available.

### Do 心流島 or 夜間微光 have ads?

Neither 心流島 nor 夜間微光 shows ads.

### Which is updated more often, 心流島 or 夜間微光?

心流島 ships an update every 8 months, and 夜間微光 every 2 weeks. Most recently, 心流島 was updated on November 5, 2026 and 夜間微光 on November 5, 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.*