# 好运打卡 vs Spark

The clearest difference is in-app purchases: 好运打卡 at none against Spark's 1. 好运打卡 also leads on iOS requirement (16.0 vs 18.5). Spark's advantage is update cadence (every 8 days vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. Spark sells 1 one-off in-app purchase. 好运打卡 asks for nothing beyond the download.

好运打卡 ships an update every 6 months, Spark every 8 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 好运打卡 | Spark |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 8 days** |
| Size | 6 MB | 5 MB |
| Requires iOS | **16.0** | 18.5 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [椿杰 周](https://appshunter.io/developer/1348681110) | [功亮 张](https://appshunter.io/developer/1826484363) |

## What reviewers say

### 好运打卡

[App page](https://appshunter.io/ios/app/id6463002199)

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

**In-app purchases:** none


### Spark

[App page](https://appshunter.io/ios/app/spark-save-your-inspiration/id6748610782)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 灵光一现专业版 | $0.99 | one-time |


## Frequently asked questions

### Is 好运打卡 free?

好运打卡 is free to download, with no in-app purchases.

### Is Spark free?

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

### Do 好运打卡 or Spark have ads?

Neither 好运打卡 nor Spark shows ads.

### Which is updated more often, 好运打卡 or Spark?

好运打卡 ships an update every 6 months, and Spark every 8 days. Most recently, 好运打卡 was updated on October 27, 2026 and Spark on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*