Polar Scope Align Pro vs SkyPilot Astro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Polar Scope Align Pro
This app assists astronomers with precise polar alignment for telescopes, offering tools for various reticles and low-latitude accuracy. It also includes a comprehensive suite of astro tools, from object databases to calculators and weather reports.
- Accurate polar alignment calculation
- Support for numerous polar scope reticles
- Daytime/no polarscope alignment tool
- Deep Space Object database
- Astrophotography calculators
- World astro-weather report
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Polar Scope Align Pro is a complete toolkit for amateur astronomers: accurate polar alignment, deep-sky observing, astro weather, push-to/manual GoTo, iOptron mount WiFi control, widgets and more. All features and updates are free forever. Optional in-app purchases are just tips to support development. POLAR ALIGNMENT • Calculates Polaris or σ Octantis position for 30+ reticle types: iOptron, Astro-Physics, Takahashi, Skywatcher, Vixen, Celestron, Orion, Astrotrac and others* • Atmospheric refraction correction for accuracy at any latitude • Works with or without a polar scope ALIGNMENT WITHOUT A POLAR SCOPE • Daytime / No Polar Scope Alignment: works day and night with just your phone's gyro • Camera Azimuth Calibration: use sun/moon/stars to calibrate gyro and align accurately without a compass, immune to magnetic interference • Laser / Hop Align: nighttime alignment for maximum accuracy with a laser or a scope with no view of Polaris • Live sky map guides you to the celestial pole in real time • Sun Finder helps you point your filtered telescope/telephoto to the Sun PUSH TO (MANUAL GOTO) • Attach your phone to any scope and convert it to manual/push GoTo • Select from a large database and use direct push or more accurate hop-to mode DEEP SKY OBJECT DATABASE • 22,000+ objects with altitude graphs, rise/set times and more info • Save and manage curated observing lists • Filter, search, sort and push to any target XASTERIA ASTRO WEATHER • Hourly astronomy forecasts from 7Timer, OpenWeather, MET Norway and Apple Weather, plus a configurable Multi-source forecast • Animated satellite Cloud Map with recent EUMETSAT and NASA infrared imagery • Aurora forecasts • ISS and bright satellite passes with an All Sky night chart, individual sky charts, live map tracking, and Tiangong and Hubble views • Solar eclipse tool with past and future eclipses, live mode with audio cues • Experimental eclipse camera for automated photoshoots of partial phase, diamond ring, Baily's beads, totality bracketing • Interactive light pollution map using World Atlas and recent VIIRS data CALCULATORS & TOOLS • 30+ calculators for observing and astrophotography • Moon phase calendar with altitude graphs • Solar eclipse calculator and simulator • Bubble level & Compass IOPTRON WIFI MOUNT CONTROL • Connect to WiFi-enabled iOptron mounts (HAE, HAZ, HEM, CEM, GEM and more) • Automatic date/time/location setup • Switch between Equatorial and Alt-Az on mounts that support both • Move & Sync: directional control with a live sky map • Point GoTo: aim your phone at a patch of sky and send the mount there • Current Point Query: find out what the mount is pointing at • GoTo any object from the DSO Database NIGHT-FRIENDLY • Red, green or white night mode with dimmer WIDGETS • Configurable Tonight and Multi astronomy weather forecasts • Upcoming bright satellite passes • Aurora probability, activity forecast and NOAA aurora map * Full list of supported reticles: Astro-Physics RAPAS & PASILL, iOptron, the latest Orion / Skywatcher, the Classic Skywatcher / Orion / Celestron / Meade / EXOS2 / Bresser / MSM, various versions of Takahashi EM-10/11/200/400/500, NJP, PM-1, P2-Z, the Telrad, Rigel QuikFinder, a couple for Astrotrac / Losmandy / Kenko / Avalon, the Vixen PF-L/Atlux/SX/SXD/SXP/AXD/GP/GP-DX/Polarie Polar Axis Scopes, a Konus and several Polar Finders: Tuthill, Explore Scientific 8x50, Meade 9x60, Vixen Polaris, Celestron 7x50, Carton Optical. PoleMaster help view for South Hemisphere users.
SkyPilot Astro
Effortlessly explore the cosmos with automatic star-seeking and calibration. Plan your stargazing sessions with real-time weather and light pollution data. Control your telescope, capture stunning images, and process them for incredible detail.
- Automatic star-seeking
- One-step automatic calibration
- Real-time weather and light pollution data
- Direct telescope control
- One-click GOTO celestial bodies
- Intelligent image processing and stacking
- High-definition photo capture
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Automatic Star - Seeking, Effortless Start:Whether you're a novice or a seasoned astronomy enthusiast, simply operate on the APP. The telescope, with its automatic star - seeking function, can instantly lock onto the target celestial body, making stargazing accessible to everyone. Automatic Calibration, One - Step Completion:Bid farewell to the cumbersome manual calibration process of traditional telescopes. With the EDUSNAP APP, automatic and precise calibration is achieved the moment you power on, allowing you to start your stargazing journey quickly. Weather and Light Pollution, Under Control:The APP provides real - time weather information and light pollution data of the observation site. This enables you to plan the best observation time and location in advance, ensuring ideal conditions for every stargazing session. Direct Control, at Your Command:Via the APP, you can directly control the telescope's direction, freely adjusting the viewing angle. Moreover, you can effortlessly set shooting parameters and capture high - definition photos, ensuring no amazing moment slips by. One - Click GOTO, Direct to Target:Enter the celestial body you wish to observe on the APP, and the one - click GOTO function will swiftly turn the telescope towards the target, accurately pinpointing mysterious celestial bodies in the vast starry sky. Intelligent Image Processing, Stunning Results:Upon shooting, the APP automatically processes and stacks the images, enhancing the picture quality. This makes the details of nebulae, galaxies, and other celestial bodies clearly visible. You can save the exquisite photos with one click, convenient for sharing and preserving memories.
Screenshots
Verdict
The clearest difference is review sentiment: Polar Scope Align Pro at 97% against SkyPilot Astro's 0%. Polar Scope Align Pro also leads on rating (4.9 vs 4.6) and ratings volume (309 vs 7). SkyPilot Astro's advantage is price (Free vs $3.99) and in-app purchases (none vs 3). On update cadence, ads 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
SkyPilot Astro is free to download; Polar Scope Align Pro costs $3.99 up front. Polar Scope Align Pro sells 3 one-off in-app purchases. SkyPilot Astro asks for nothing beyond the download.
Polar Scope Align Pro holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: Polar Scope Align Pro has 309 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 97% of Polar Scope Align Pro's written reviews are positive against 0% of SkyPilot Astro's.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 21, 2026 and October 7, 2026 respectively.
| Parameter | Polar Scope Align Pro | SkyPilot Astro |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 4.9 (309 ratings) — better | 4.6 (7 ratings) |
| Positive reviews | 97.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 309 — better | 7 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 32 MB | 111 MB |
| Age rating | 4+ | 4+ |
| Developer | Dimitrios Kechagias | EDUSNAP TECHNOLOGY LIMITED |
Customer experience
Polar Scope Align Pro
SkyPilot Astro
Bugs and requests
Polar Scope Align Pro
Reported bugs
2 issues- Weather Updates Not Working
- Compass Deflected by Mount
Requested features
2 requests- Add Observation Recording Feature
- Add Push To Option for DSO Objects
SkyPilot Astro
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Polar Scope Align Pro
- Tip 1x$0.99
- Tip 4x$3.99
- Tip 10x$9.99
SkyPilot Astro
No in-app purchases
Questions
Is Polar Scope Align Pro free?
Is SkyPilot Astro free?
Which has better reviews, Polar Scope Align Pro or SkyPilot Astro?
Do Polar Scope Align Pro or SkyPilot Astro have ads?
Which is updated more often, Polar Scope Align Pro or SkyPilot Astro?
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