GoSatWatch Satellite Tracking vs HamClock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GoSatWatch Satellite Tracking
Track satellites in real-time on your Apple device. See when and where the International Space Station and other spacecraft, including SpaceX vehicles, are visible from anywhere. Also helps determine satellite dish orientation.
- Real-time satellite tracking
- Visibility predictions
- SpaceX spacecraft tracking
- Dish orientation tool
- World map and sky views
- Pass alerts
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Real time satellite tracking on your iPhone, iPad or iPod touch. Find out when and where any satellite including the international space station can be seen from any location in the world. Easily identify satellites seen in the sky with real time tracking. SpaceX spacecraft Crew Dragon, Dragon CRS and Starlink included. Can also be used to accurately determine dish orientation for geostationary satellites using iPhone GPS location. Features: - World map view with orbit track - Overhead sky track view - Visible and 24 hour pass predictions - Pass alerts - Supports landscape or portrait orientation - One touch orbit data update - Customizable satellite sets - Easy setup using Apple location or city list * Requires occasional data network or WiFi access to update satellite orbital data. See web site for more information.
HamClock
This app provides a clear display of local and UTC time, along with sunrise/sunset and grid square information for amateur radio operators. It features an interactive map to find grid squares and displays the gray line. Optimized for both phone and watch, it's a useful tool for ham radio enthusiasts.
- Local and UTC time display
- Sunrise/sunset times
- Grid square locator
- Interactive grid square map
- Gray line display
- Watch compatibility
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HamClock is a handy clock with features for amateur radio operators! One screen shows your local time in 12H and 24H format along with UTC in large, easy to read text. If your location is available, your grid square, local sunrise and sunset are also displayed. An interactive grid square map lets you find the grid square for any location, and displays the current gray line. Flip to landscape mode for a larger UTC time display. Great for keeping track of things while operating. On your watch, you can also quickly display your grid square and location. HamClock is great for finding your grid square while traveling, or use it as a handy clock in your shack.
Screenshots
Verdict
The clearest difference is rating: GoSatWatch Satellite Tracking at 3.6 against HamClock's 2.9. GoSatWatch Satellite Tracking also leads on review sentiment (74% vs 48%) and iOS requirement (9.3 vs 13.4). HamClock's advantage is price ($0.99 vs $9.99). On ratings volume, update cadence, ads and in-app purchases 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
GoSatWatch Satellite Tracking costs $9.99 and HamClock $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
GoSatWatch Satellite Tracking holds the better App Store score, 3.6 against 2.9. Both are backed by a comparable volume of ratings — 60 and 25 respectively. Written reviews point the same way: 74% of GoSatWatch Satellite Tracking's written reviews are positive against 48% of HamClock's.
GoSatWatch Satellite Tracking ships an update every 3 months, HamClock every 4 months. Both last shipped on October 24, 2026.
| Parameter | GoSatWatch Satellite Tracking | HamClock |
|---|---|---|
| Price | $9.99 | $0.99 — better |
| Rating | 3.6 (60 ratings) — better | 2.9 (25 ratings) |
| Positive reviews | 74.1% of reviews — better | 47.8% of reviews |
| Number of ratings | 60 — better | 25 |
| Update frequency | Every 3 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Best chart rank | #74 — better | #183 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 9.3 — better | 13.4 |
| Further details — not scored | ||
| Size | 30 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | GoSoftWorks | Ben Sinclair |
Customer experience
GoSatWatch Satellite Tracking
HamClock
Bugs and requests
GoSatWatch Satellite Tracking
Reported bugs
4 issues- Compass orientation issues on some devices
- Passes not updating or disappearing
- Crashes on newer iOS versions
- Inability to update orbital data
Requested features
5 requests- Add Iridium flare predictions
- Include uplink/downlink frequencies for amateur radio satellites
- Implement 24/7 pass predictions (not just night)
- Add ability to animate satellite tracking
- Provide more zoom and customization options for maps
HamClock
Not enough reviews yet to summarise bugs or requests.
In-app purchases
GoSatWatch Satellite Tracking
No in-app purchases
HamClock
No in-app purchases
