Geo vs Astral Capture
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Geo
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Geo-Quest: Explore, Collect, Contribute Geo-Quest is a mobile app for collecting high-quality ground reference data to improve AI models and remote-sensing applications. Whether you are a scientist, a researcher, or an outdoor enthusiast, Geo-Quest turns your field observations into valuable datasets for the global community. Embark on Quests and Collect Data Join different campaigns focused on gathering essential information from the ground. Using your phone’s built-in sensors, including the camera, GPS, gyroscope, and accelerometer, Geo-Quest enhances data collection with cutting-edge features such as augmented reality. Examples of Quests - Tree-Quest – Measure individual tree attributes like diameter, height, and species to estimate aboveground biomass. - Forest-Quest – Assess forest plots by measuring their basal area for ecological studies. - Crop Capture – Record crop types, locations, and parcel boundaries on satellite imagery. Contribute to the ESA-funded WorldCereal project, supporting high-resolution global crop mapping. Offline Mode and Open Data No internet? No problem. Store satellite imagery, collect data offline, and upload it later. Your contributions are shared on the quest’s web platform and are openly available for the global community. Download Geo-Quest today and start making a difference, one field observation at a time.
Astral Capture
This app allows you to set live wallpapers and widgets featuring recent images from Earth observation satellites and Mars rovers. Images update automatically, offering fresh views of our planet and beyond.
- Live wallpapers from satellites
- Home screen widgets
- Automatic image updates
- Images from Mars rovers
- Multiple satellite options
- Desk display option
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Choose from a plethora of satellites and both of Mars's Perseverance and Curiosity rovers to display on your home screen. All but NASA's EPIC satellite and the rovers are 30-40 minutes old, and all images update automatically. Pick from NOAA's GOES-East/West, Japan's Himawari-8, or Europe's EUMETSAT weather satellite for the most recent coverage. Choose to have a desk display or a home screen widget. Tap the Earth for a list of available satellites, or tap and hold the widget to edit the satellites. Current Views: GOES-East in both GeoColor and NaturalColor, Full Disk and CONUS GOES-West in both GeoColor and NaturalColor, Full Disk Himawari-8 EUMETView in both GeoColor and NaturalColor EPIC Perseverance Rover Curiosity rover SDO (171 A) SDO (193 A) SDO (211 A) SDO (304 A) Location-Based Widget
Screenshots
Verdict
The clearest difference is update cadence: Geo at weekly against Astral Capture's every 4 weeks. Geo also leads on iOS requirement (15.0 vs 17.6). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Geo ships an update weekly, Astral Capture every 4 weeks. The most recent releases landed on October 24, 2026 and November 1, 2026 respectively.
| Parameter | Geo | Astral Capture |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Weekly — better | Every 4 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 170 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | IIASA | Mannon Wallace |
In-app purchases
Geo
No in-app purchases
Astral Capture
No in-app purchases
