# 康軒AR四季星空 vs StarTrace

The clearest difference is update cadence: StarTrace at every 4 weeks against 康軒AR四季星空's every 42 months. 康軒AR四季星空's advantage is iOS requirement (11.0 vs 13.0). 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.

康軒AR四季星空 ships an update every 42 months, StarTrace every 4 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 康軒AR四季星空 | StarTrace |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 42 months | **Every 4 weeks** |
| Size | 160 MB | 24 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [康軒文教事業](https://appshunter.io/developer/431546873) | [明珍 曾](https://appshunter.io/developer/1883509555) |

## What reviewers say

### 康軒AR四季星空

[App page](https://appshunter.io/ios/app/ar/id1585483774)

**Features:** macOS Compatibility

**In-app purchases:** none


### StarTrace

[App page](https://appshunter.io/ios/app/startrace-ar-night-sky-guide/id6803569922)

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

**In-app purchases:** none


## Frequently asked questions

### Is 康軒AR四季星空 free?

康軒AR四季星空 is free to download, with no in-app purchases.

### Is StarTrace free?

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

### Do 康軒AR四季星空 or StarTrace have ads?

Neither 康軒AR四季星空 nor StarTrace shows ads.

### Which is updated more often, 康軒AR四季星空 or StarTrace?

康軒AR四季星空 ships an update every 42 months, and StarTrace every 4 weeks. Most recently, 康軒AR四季星空 was updated on October 25, 2026 and StarTrace 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.*