# Thunder Go vs PegasusAstro Unity

The clearest difference is update cadence: PegasusAstro Unity at monthly against Thunder Go's every 4 months. Thunder Go's advantage is iOS requirement (10.0 vs 14.1). 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.

Thunder Go ships an update every 4 months, PegasusAstro Unity monthly. The most recent releases landed on October 2, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Thunder Go | PegasusAstro Unity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (8 ratings)](https://appshunter.io/ios/app/pegasusastro-unity/id1663343148/reviews)** |
| Number of ratings | — | **8** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | — | Free |
| Size | 80 MB | 71 MB |
| Requires iOS | **10.0** | 14.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ShenZhen Bell Creative Science and Education Co.,Ltd.](https://appshunter.io/developer/1030990623) | [PEGASUS ASTRO CO. LTD](https://appshunter.io/developer/1663343150) |

## What reviewers say

### Thunder Go

[App page](https://appshunter.io/ios/app/thunder-go/id1457293115)

**In-app purchases:** none


### PegasusAstro Unity

[App page](https://appshunter.io/ios/app/pegasusastro-unity/id1663343148)

Control your telescope mount with this mobile app. Easily slew to celestial objects and explore the night sky. Designed for both beginners and experienced astronomers, it offers an intuitive interface for stargazing.

**Highlights:** Control NYX-101 mount, Slew to stars, planets, and deep sky objects, User-friendly interface, Intuitive design, Stargazing companion

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Thunder Go free?

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

### Is PegasusAstro Unity free?

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

### Do Thunder Go or PegasusAstro Unity have ads?

Neither Thunder Go nor PegasusAstro Unity shows ads.

### Which is updated more often, Thunder Go or PegasusAstro Unity?

Thunder Go ships an update every 4 months, and PegasusAstro Unity monthly. Most recently, Thunder Go was updated on October 2, 2026 and PegasusAstro Unity on October 9, 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.*