# ScopeTool vs StellarMate

The clearest difference is rating: ScopeTool at 3.8 against StellarMate's 2.9. ScopeTool also leads on review sentiment (50% vs 35%) and iOS requirement (9.0 vs 16.0). StellarMate's advantage is update cadence (every 8 days vs every 9 months) and ratings volume (26 vs 4). On price, ads, in-app purchases and monetization model there is nothing between them.

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

ScopeTool holds the better App Store score, 3.8 against 2.9. That said, the two scores are not equally well evidenced: StellarMate has 26 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 50% of ScopeTool's written reviews are positive against 35% of StellarMate's.

ScopeTool ships an update every 9 months, StellarMate every 8 days. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | ScopeTool | StellarMate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/scopetool/id826428287/reviews)** | [2.9 (26 ratings)](https://appshunter.io/ios/app/stellarmate/id1252626058/reviews) |
| Number of ratings | 4 | **26** |
| Positive reviews | **50.0% of reviews** | 34.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 8 days** |
| Monetization | Free | Free |
| Size | 6 MB | 115 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [H Crossley](https://appshunter.io/developer/826428290) | [Ikarus Astronomy Company For Scientific Instruments & Tools](https://appshunter.io/developer/1252626057) |

## What reviewers say

### ScopeTool

[App page](https://appshunter.io/ios/app/scopetool/id826428287)

This app assists with telescope setup and alignment, providing tools like a compass, level, and calculators for celestial objects. It allows manual or GPS-based location input and offers customizable tool visibility for use in low light.

**Highlights:** Compass and level, Polaris hour angle calculator, Jupiter and Saturn moon positions, Red/white flashlight with timer, Manual or GPS location input, Customizable tool visibility

**Features:** macOS Compatibility

**In-app purchases:** none


### StellarMate

[App page](https://appshunter.io/ios/app/stellarmate/id1252626058)

Control your astrophotography equipment remotely. Capture images, stream video, and perform precise alignment. Automatically back up your photos to the cloud with rich metadata for easy searching.

**Highlights:** Remote equipment control, Image capture and video streaming, Polar alignment assistant, Cloud image backup, Metadata search and sorting, Software updates

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

**In-app purchases:** none


## Frequently asked questions

### Is ScopeTool free?

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

### Is StellarMate free?

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

### Which has better reviews, ScopeTool or StellarMate?

ScopeTool is rated higher. ScopeTool averages 3.8 out of 5 from 4 ratings, while StellarMate averages 2.9 from 26 ratings.

### Do ScopeTool or StellarMate have ads?

Neither ScopeTool nor StellarMate shows ads.

### Which is updated more often, ScopeTool or StellarMate?

ScopeTool ships an update every 9 months, and StellarMate every 8 days. Most recently, ScopeTool was updated on October 24, 2026 and StellarMate on October 26, 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.*