47+ iOS apps & games curated and reviewed
Orion Events is the household name in orion ascent, but it's far from the only option. We track 47+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | May 2026 |
| 2 |  | Free | 4.8★ (44) | No | No | Jul 2026 |
| 3 |  | $4.99 | 4.9★ (50) | No | Yes | Jul 2026 |
| 4 |  | Free | 4.7★ (1.3K) | Yes | Yes | Aug 2026 |
| 5 |  | Free | 4.2★ (5) | No | Yes | Jul 2026 |
| 6 |  | Free | 4.8★ (9) | No | No | May 2026 |
| 7 |  | Free | 5.0★ (2) | No | No | Jun 2026 |
| 8 |  | Free | — | No | No | May 2026 |
Discover and track your mountain climbs with a comprehensive database of peaks and trip reports. Access route information, weather forecasts, and topographic maps, even offline. Log your ascents, measure progress against lists, and share your adventures with friends.
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.
Instantly discover your location, altitude, direction, and atmospheric pressure on a map. Track your elevation changes while moving and share photos with embedded location and altitude data. Access information on your Apple Watch.
Follow humanity's return to the Moon and NASA's Moon Base program. Get live countdowns to mission milestones, crew profiles, and mission overviews. Access curated launch history and important mission documents.
Instantly check your current elevation, speed, and direction of travel. This utility app also displays your rate of ascent or descent and GPS signal accuracy. It's designed for easy readability in various outdoor and travel scenarios.
Manage your library account on the go. Search the catalog, renew borrowed items, and place holds for books and other materials directly from your mobile device.
This AI-powered calendar app simplifies event scheduling through voice, text, or image input. It syncs with Google, Apple, and Outlook calendars, offering smart personalization and reminders to keep you organized.
Transform your living room into a space journey with stunning visuals and immersive audio. Stream beautiful space and Earth timelapses to your TV for a deeper, stronger cosmic experience.
Explore the cosmos with this 3D astronomical tool. Measure and record the positions and movements of celestial bodies, and determine sunrise/sunset times and day length. Reconstructs an ancient scientific instrument using modern technology.
This app provides a comprehensive celestial navigation toolkit, including sight reduction, position fixing, and meridian passage calculations. It features an embedded nautical almanac and astronomical computations, eliminating the need for physical tables. Observations can be saved and exported, and the app functions offline.
Create an oxygen-enriched environment in your mountain home to prevent or lessen altitude sickness. This app allows you to remotely control your home's oxygen levels for quicker acclimatization, whether you live at high altitudes or are visiting.
Track your progress climbing the highest points in all 50 US states and territories. Log your ascents, view an interactive map of peaks, and share your adventures with friends. Plan future hikes with a personalized wish list.
Ascend a towering structure in space, aiming to surpass rivals and reach the ultimate destination. Test your climbing skills and see if you can conquer the final frontier.
This app provides a large, clear compass display for easy navigation in any environment. It offers multiple styles, North modes, and location-based place names, with offline functionality. An optional Pro upgrade unlocks ad removal, bearing lock, and specialized display modes.