SeaSat vs Ascend Maps
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SeaSat
Access near real-time data on Sea Surface Temperature, water transparency, and chlorophyll concentration directly on your smartphone. This application provides essential environmental information for users interested in marine conditions.
- Sea Surface Temperature data
- Water transparency information
- Chlorophyll concentration readings
- Near real-time updates
- Smartphone accessibility
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SeaSat provides near real time Sea Surface Temperature, Water transparency and Chlorophyll concentration to smartphone users.
Ascend Maps
This app provides customizable outdoor maps with offline capabilities. It features 3D terrain, track recording, saved places management, and the ability to save map tiles for offline use. Explore the outdoors with detailed, personalized navigation tools.
- Offline search
- 3D terrain
- Track recording and editing
- Saved places management
- Customizable map styles
- Offline map tile saving
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Ascend is an open source app for vector and raster maps. Features include 3D terrain, offline search, track recording and editing, managing saved places, saving map tiles for offline use, and more. CUSTOMIZABLE * Includes a simple, customizable style for OpenStreetMap vector tiles with modes for hiking, biking, and transit. * Overlay customizable hillshading, shaded relief, contour lines, and slope angle shading calculated in real-time over any base map. * Supports plugins for search, routing, map sources and more. * Add new online map sources and combine layers to create new maps. * Generate and import your own vector tiles. COMPREHENSIVE * Offline search * Wikipedia search * Manage saved places * Show geotagged photos from your Photo Library. * Create and edit routes * Record and edit tracks for hiking, fitness, and more * Save map tiles for offline use Learn more at https://github.com/styluslabs/maps
Screenshots
Verdict
The clearest difference is rating: Ascend Maps at 5.0 against SeaSat's 1.0. SeaSat's advantage is iOS requirement (8.0 vs 12.0). On price, ratings volume, update cadence and ads 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.
Ascend Maps holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
SeaSat ships an update every 8 months, Ascend Maps every 6 months. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.
| Parameter | SeaSat | Ascend Maps |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (2 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 8 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 18 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Proambiente SCRL | Matthew White |
Customer experience
SeaSat
Ascend Maps
In-app purchases
SeaSat
No in-app purchases
Ascend Maps
No in-app purchases









