# SKY TRACKER GPS vs Nimou Glasses

The clearest difference is update cadence: Nimou Glasses at every 3 weeks against SKY TRACKER GPS's every 4 months. SKY TRACKER GPS's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

SKY TRACKER GPS ships an update every 4 months, Nimou Glasses every 3 weeks. The most recent releases landed on October 8, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SKY TRACKER GPS | Nimou Glasses |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 26 MB | 217 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Tamilarasan Kannan](https://appshunter.io/developer/1500116258) | [Beijing Baolu Technology Co., Ltd.](https://appshunter.io/developer/1896774918) |

## What reviewers say

### SKY TRACKER GPS

[App page](https://appshunter.io/ios/app/sky-tracker-gps/id6764756322)

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

**In-app purchases:** none


### Nimou Glasses

[App page](https://appshunter.io/ios/app/nimou-glasses/id6771224645)

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

**In-app purchases:** none


## Frequently asked questions

### Is SKY TRACKER GPS free?

SKY TRACKER GPS is free to download, with no in-app purchases.

### Is Nimou Glasses free?

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

### Do SKY TRACKER GPS or Nimou Glasses have ads?

Neither SKY TRACKER GPS nor Nimou Glasses shows ads.

### Which is updated more often, SKY TRACKER GPS or Nimou Glasses?

SKY TRACKER GPS ships an update every 4 months, and Nimou Glasses every 3 weeks. Most recently, SKY TRACKER GPS was updated on October 8, 2026 and Nimou Glasses on October 25, 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.*