# SeaSat vs Ascend Maps

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.

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.

## The numbers

| Metric | SeaSat | Ascend Maps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/seasat/id932441902/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ascend-maps/id6504321706/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 6 months** |
| Monetization | Free | Free |
| Size | 18 MB | 11 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Proambiente SCRL](https://appshunter.io/developer/932441901) | [Matthew White](https://appshunter.io/developer/1498369427) |

## What reviewers say

### SeaSat

[App page](https://appshunter.io/ios/app/seasat/id932441902)

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.

**Highlights:** Sea Surface Temperature data, Water transparency information, Chlorophyll concentration readings, Near real-time updates, Smartphone accessibility

**In-app purchases:** none


### Ascend Maps

[App page](https://appshunter.io/ios/app/ascend-maps/id6504321706)

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.

**Highlights:** Offline search, 3D terrain, Track recording and editing, Saved places management, Customizable map styles, Offline map tile saving

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SeaSat free?

SeaSat is free to download, with no in-app purchases.

### Is Ascend Maps free?

Ascend Maps is free to download, with no in-app purchases.

### Which has better reviews, SeaSat or Ascend Maps?

Ascend Maps is rated higher. SeaSat averages 1.0 out of 5 from 2 ratings, while Ascend Maps averages 5.0 from 1 ratings.

### Do SeaSat or Ascend Maps have ads?

Neither SeaSat nor Ascend Maps shows ads.

### Which is updated more often, SeaSat or Ascend Maps?

SeaSat ships an update every 8 months, and Ascend Maps every 6 months. Most recently, SeaSat was updated on October 24, 2026 and Ascend Maps on October 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*