SatPredict vs +Compass+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SatPredict
Track weather satellites in real-time with live pass predictions and an offline map. Features augmented reality mode for enhanced visualization. Supports a variety of popular weather satellites.
- Real-time satellite tracking
- Offline map functionality
- Augmented Reality mode
- Downloadable TLE files
- Custom location settings
- Support for multiple weather satellites
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With SatPredict you can smoothly track your favourite weather satellites in real time, anytime and anywhere. The app features built-in support for downloading the latest TLE files and custom location settings. You even have a basic offline map which makes it useful for portable use. You only need an internet connection once to download the TLE files. The app currently supports the following weather satellites: NOAA-15 NOAA-18 NOAA-19 NOAA-20 Suomi-NPP Meteor-MN2 Meteor-MN2-2 MetOp-A MetOp-B MetOp-C FengYun-3B FengYun-3C FengYun-3D Aqua Terra Version 2.0 introduces a new Augmented Reality mode in which you can view a satellite pass right in front of you to make passes easier to understand. Just click on the AR icon next to the satellite information. To achieve the best performance, it is recommended to use an iOS device that has at least an Apple A8 CPU (or better). Support for more satellites is planned for the future.
+Compass+
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Compass that shows magnetic north as well as true north and GPS location
Screenshots
Verdict
The clearest difference is ads: SatPredict at none against +Compass+'s shown. +Compass+'s advantage is update cadence (monthly vs every 5 months). On price, in-app purchases, device support and iOS requirement 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.
SatPredict ships an update every 5 months, +Compass+ monthly. The most recent releases landed on October 3, 2026 and October 5, 2026 respectively.
| Parameter | SatPredict | +Compass+ |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 5 months | Monthly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.1 — better | 13.0 |
| Further details — not scored | ||
| Size | 34 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Arved Viehweger | Michael Todd |
In-app purchases
SatPredict
No in-app purchases
+Compass+
No in-app purchases
