# 开普勒 vs FX007

The clearest difference is update cadence: 开普勒 at every 3 weeks against FX007's every 2 months. FX007's advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

开普勒 ships an update every 3 weeks, FX007 every 2 months. The most recent releases landed on October 24, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 开普勒 | FX007 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 70 MB | 71 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [开普勒](https://appshunter.io/developer/1712645779) | [LUHUI MEIDA LIMITED](https://appshunter.io/developer/1849557160) |

## What reviewers say

### 开普勒

[App page](https://appshunter.io/ios/app/id1451036848)

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

**In-app purchases:** none


### FX007

[App page](https://appshunter.io/ios/app/fx007/id1635263532)

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

**In-app purchases:** none


## Frequently asked questions

### Is 开普勒 free?

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

### Is FX007 free?

FX007 is free to download, with no in-app purchases.

### Do 开普勒 or FX007 have ads?

Neither 开普勒 nor FX007 shows ads.

### Which is updated more often, 开普勒 or FX007?

开普勒 ships an update every 3 weeks, and FX007 every 2 months. Most recently, 开普勒 was updated on October 24, 2026 and FX007 on October 3, 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.*