SynScan vs EclipseGo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SynScan
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.
- 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
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Use the SynScan app to control Sky-Watcher telescope mounts via Wi-Fi or Bluetooth LE. Mounts without built-in Wi-Fi can be supported via a SynScan Wi-Fi adapter. This version of the SynScan app is suited for novice users using alt-azimuth mounts. Features - Control telescope mount to slew, align, GOTO and track. - Point And Track: track celestial objects (including the Sun and planets) without aligning. - Support gamepad navigation. - Browse a catalog of stars, comets, and deep sky objects. Or, save your own objects. - Provide access to mount for use by third-party apps, including ASCOM clients, SkySafari, Luminos, Stellarium Mobile Plus, Stellarium Desktop or customer-developed apps. Also set up mount alignment for Luminos, Skysafari. - Support access to the mount and the SynScan app from any platform that supports TCP/UDP connections. - Provide emulator mount for testing and practicing. - Track fast-moving earth satellites by working with the PreviSat app on Windows PC or the Lumios app on iOS devices.
EclipseGo
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.
- Eclipse type identification
- Key moment timings
- Max partial eclipse coverage
- Total eclipse duration
- Location sharing
- Favorite locations (Pro)
- Countdown timer (Pro)
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EclipseGo is the easiest and quickest way to see and share the details of the 2026 Total Eclipse in Spain for any location on the map. Choose any point on the map to see: - If it is a total eclipse or a partial eclipse. - Time for the key moments - Max coverage for partial eclipse - How long the total eclipse will last There is also a built sharing to make it easy for others to see the details with a link to view the details in EclipseGo. You can also favorite points to make it easy to compare locations and get a handy countdown timer to each stage of the eclipse for that location.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | SynScan | EclipseGo |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (8 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 22.2% of reviews | — |
| Number of ratings | 8 — better | 2 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 46 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Astropower Technology Co. Ltd. | Garafa, LLC |
Customer experience
SynScan
EclipseGo
In-app purchases
SynScan
No in-app purchases
EclipseGo
- 2026 Eclipse Cloud Cover$3.99
- Pro Upgrade$3.99
