19+ iOS apps curated and reviewed
Looking for free arcprec zenith apps? 15 of our 19+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 2.6★ (51) | No | No | Jul 2026 | |
| 2 |  | Free | 4.6★ (113) | No | Yes | Aug 2026 | |
| 3 |  | $4.99 | 4.9★ (50) | No | Yes | Aug 2026 | |
| 4 |  | Free | 3.3★ (3) | No | No | Aug 2026 | |
| 5 |  | Free | 4.0★ (4) | No | No | Jul 2026 | |
| 6 |  | Free | 4.0★ (6) | No | No | May 2026 | |
| 7 |  | Free | 5.0★ (3) | Yes | No | May 2026 | |
| 8 |  | Free | — | No | No | May 2026 |
Control motorized telescope mounts for celestial observation and astrophotography. Features include precise slewing, alignment, GOTO, and tracking of stars, planets, and deep-sky objects. Supports advanced functions like polar alignment and camera triggering.
This utility app helps users calculate various dimensions of circular arcs, including radius, length, width, and height. It offers a simple interface where users input two known values to derive the rest. Additional features include a unit converter, result saving, and sharing capabilities.
This app provides precise polar alignment for telescopes, with or without a polar scope. It includes a comprehensive suite of astronomical tools, such as a DSO database, calculators, and mount control. An accompanying watch app offers real-time alignment data and weather information.
