Track Sun vs AstroPup Sky
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Track Sun
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The sun tracking can be easily achieved by connection to the Skywatcher mount.
AstroPup Sky
This application provides a unique sky chart for astrophotographers, displaying celestial object visibility for an entire night. It allows users to personalize their view with custom horizons and receive clear-sky notifications for preferred observing locations.
- All-sky, all-night object visibility
- Object rise and set times
- Personalized horizon views
- Clear-sky notifications
- Supports custom horizon files
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AstroPup Sky is a unique sky chart for astrophotographers. Instead of displaying a single point in time, AstroPup Plan displays the entire sky for an entire night. Celestial objects are fixed but the horizon is in motion, allowing you to determine the time and hours every object is visible. * All-sky, all-night views of object visibility, rise and set times * Personalize your view by adding a horizon file from AstroPup Horizon, N.I.N.A. or Stellarium. * Clear-sky notifications for your favorite observing locations
Screenshots
Verdict
The clearest difference is update cadence: AstroPup Sky at weekly against Track Sun's every 5 months. Track Sun's advantage is iOS requirement (14.0 vs 26.0). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
Track Sun ships an update every 5 months, AstroPup Sky weekly. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.
| Parameter | Track Sun | AstroPup Sky |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 14.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 43 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | SynUe Tech. Co., Ltd | Aaron Freimark |
In-app purchases
Track Sun
No in-app purchases
AstroPup Sky
No in-app purchases
