Acuter Sky vs Track Sun
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Acuter Sky
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The Acuter Sky app connects your iOS smartphone to an Acuter motorized telescope mount using Bluetooth or Wi-Fi. With an intuitive setup wizard, built-in sky map, and instant tracking technology, observing celestial objects has never been easier or more exciting. Designed for amateur astronomers, the app lets you control the telescope mount from your smartphone, eliminating the need for a separate remote. The built-in sky map makes it easy to locate celestial objects, and the instant tracking technology ensures they stay in view. With the Acuter Sky app, you can explore the wonders of the universe with ease. Whether you're a beginner or an experienced astronomer, this app is perfect for anyone looking to observe the night sky.
Track Sun
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The sun tracking can be easily achieved by connection to the Skywatcher mount.
Screenshots
Verdict
The clearest difference is update cadence: Acuter Sky at every 2 months against Track Sun's every 5 months. 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.
Acuter Sky ships an update every 2 months, Track Sun every 5 months. The most recent releases landed on October 30, 2026 and November 8, 2026 respectively.
| Parameter | Acuter Sky | Track Sun |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 | 14.0 |
| Further details — not scored | ||
| Size | 138 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | Jiangsu Mark Optoelectronic Instrument Co., Ltd | SynUe Tech. Co., Ltd |
In-app purchases
Acuter Sky
No in-app purchases
Track Sun
No in-app purchases
Questions
Is Acuter Sky free?
Is Track Sun free?
Do Acuter Sky or Track Sun have ads?
Which is updated more often, Acuter Sky or Track Sun?
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