# SynScan vs EclipseGo

The clearest difference is rating: EclipseGo at 5.0 against SynScan's 3.3. EclipseGo also leads on update cadence (every 3 weeks vs every 2 months). SynScan's advantage is in-app purchases (none vs 2) and ratings volume (8 vs 2). On price and ads there is nothing between them.

Both are free to download. EclipseGo sells 2 one-off in-app purchases. SynScan asks for nothing beyond the download.

EclipseGo holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 8 and 2 respectively.

SynScan ships an update every 2 months, EclipseGo every 3 weeks. The most recent releases landed on June 1, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | SynScan | EclipseGo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (8 ratings)](https://appshunter.io/ios/app/synscan/id1243086631/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/eclipsego-2026-total-eclipse/id6479233677/reviews)** |
| Number of ratings | **8** | 2 |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 46 MB | 44 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Astropower Technology Co. Ltd.](https://appshunter.io/developer/1787940478) | [Garafa, LLC](https://appshunter.io/developer/284829377) |

## What reviewers say

### SynScan

[App page](https://appshunter.io/ios/app/synscan/id1243086631)

Control motorized telescope mounts for celestial object tracking and exploration. Features include GOTO functionality, object catalogs, and gamepad navigation. Ideal for novice users with alt-azimuth mounts.

**Highlights:** Control telescope mount slew, align, GOTO, and track, Point and Track celestial objects, Support gamepad navigation, Browse and save celestial object catalogs, Third-party app integration (ASCOM, SkySafari, Stellarium), Emulator mount for testing

**Features:** macOS Compatibility

**In-app purchases:** none


### EclipseGo

[App page](https://appshunter.io/ios/app/eclipsego-2026-total-eclipse/id6479233677)

This app helps you find and share details about the 2024 Total Eclipse for any location. It provides information on eclipse type, key timings, maximum coverage, and duration. An optional upgrade offers favoriting locations and a countdown timer.

**Highlights:** Eclipse type identification, Key moment timings, Max partial eclipse coverage, Total eclipse duration, Location sharing, Favorite locations (Pro), Countdown timer (Pro)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2026 Eclipse Cloud Cover | $3.99 | one-time |
| Pro Upgrade | $3.99 | one-time |


## Frequently asked questions

### Is SynScan free?

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

### Is EclipseGo free?

EclipseGo is free to download, with in-app purchases available.

### Which has better reviews, SynScan or EclipseGo?

EclipseGo is rated higher. SynScan averages 3.3 out of 5 from 8 ratings, while EclipseGo averages 5.0 from 2 ratings.

### Do SynScan or EclipseGo have ads?

Neither SynScan nor EclipseGo shows ads.

### Which is updated more often, SynScan or EclipseGo?

SynScan ships an update every 2 months, and EclipseGo every 3 weeks. Most recently, SynScan was updated on June 1, 2026 and EclipseGo on September 19, 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.*