GPS Astro vs iOptron iPolar Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GPS Astro
This utility app calculates astronomical events like sunrise, sunset, moonrise, and moonset. It supports current or selected locations and displays moon phases and twilight times. Users can save multiple locations and sync events to their calendar.
- Sunrise/sunset times
- Moonrise/moonset times
- Moon phases
- Twilight times
- Save multiple locations
- Calendar sync
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GPS Astro is a utility for the iPhone, iPad and iPod Touch that calculates predicted sunrise, sunset, moonrise, moonset times, moon phases as well as civil, nautical and astronomical twilight depending on your current GPS location or for a selected location. Features: • Save multiple locations • Calendarsync of upcoming moon phases and single moon events • Timezone selection • iPad Split View Support
iOptron iPolar Mobile
This utility app assists users in polar aligning their telescope mounts quickly and efficiently. It connects to a specific portable computer and camera for optimal results.
- Polar alignment assistance
- Connects to iPolar camera
- Works with iMate portable computer
- Quick alignment method
- Telescope mount optimization
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This is the app for iOptron iPolar camera connected to iMate portable computer, which is the best and quickest method to help the people polar align the telescope mount.
Screenshots
Verdict
The clearest difference is review sentiment: GPS Astro at 83% against iOptron iPolar Mobile's 0%. GPS Astro also leads on rating (4.8 vs 2.0) and monetization model (free vs paid). 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
GPS Astro costs $0.99 and iOptron iPolar Mobile $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
GPS Astro holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: GPS Astro has 122 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 83% of GPS Astro's written reviews are positive against 0% of iOptron iPolar Mobile's.
| Parameter | GPS Astro | iOptron iPolar Mobile |
|---|---|---|
| Price | $0.99 | $0.99 |
| Rating | 4.8 (122 ratings) — better | 2.0 (4 ratings) |
| Positive reviews | 83.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 122 — better | 4 |
| Update frequency | Monthly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 54 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Esirion AG | 成城 徐 |
Customer experience
GPS Astro
iOptron iPolar Mobile
Bugs and requests
GPS Astro
Reported bugs
5 issues- 🐛 Moon rise/set times off by an hour
- 🐛 Cannot change language from German to English
- 🐛 Cannot change location in iOS 10
- 🐛 Requires location access even when app is not running
- 🐛 Moon phases rendered approximately, not true representation
Requested features
4 requests- 💡 More accurate moon rendering
- 💡 Monthly/yearly view
- 💡 Improved interface for dates and locations
- 💡 True moon phase representation
iOptron iPolar Mobile
Not enough reviews yet to summarise bugs or requests.
In-app purchases
GPS Astro
No in-app purchases
iOptron iPolar Mobile
No in-app purchases
Questions
Is GPS Astro free?
Is iOptron iPolar Mobile free?
Which has better reviews, GPS Astro or iOptron iPolar Mobile?
Do GPS Astro or iOptron iPolar Mobile have ads?
Other comparisons
