# 八度幻想 vs Luck日子

The clearest difference is in-app purchases: 八度幻想 at none against Luck日子's 3. 八度幻想 also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). Luck日子's advantage is update cadence (every 3 days vs every 5 months). On price and ads there is nothing between them.

Both are free to download. Luck日子 sells 3 in-app purchases, starting at $1.99 per month. 八度幻想 asks for nothing beyond the download.

八度幻想 ships an update every 5 months, Luck日子 every 3 days. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 八度幻想 | Luck日子 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1067200707/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 days** |
| Size | 30 MB | 26 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [鹏 穆](https://appshunter.io/developer/1067200706) | [兵 李](https://appshunter.io/developer/1888184886) |

## What reviewers say

### 八度幻想

[App page](https://appshunter.io/ios/app/id1067200707)

**Features:** macOS Compatibility

**In-app purchases:** none


### Luck日子

[App page](https://appshunter.io/ios/app/luck/id6808837559)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 择日月卡 | $1.99 | per month |
| 择日年卡 | $14.99 | per year |
| 择日 10 次卡 | $0.99 | one-time |


## Frequently asked questions

### Is 八度幻想 free?

八度幻想 is free to download, with no in-app purchases.

### Is Luck日子 free?

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

### Do 八度幻想 or Luck日子 have ads?

Neither 八度幻想 nor Luck日子 shows ads.

### Which is updated more often, 八度幻想 or Luck日子?

八度幻想 ships an update every 5 months, and Luck日子 every 3 days. Most recently, 八度幻想 was updated on October 6, 2026 and Luck日子 on October 24, 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.*