# Topo Maps vs Nautics Sailmate

The clearest difference is price: Nautics Sailmate at Free against Topo Maps's $2.99. Nautics Sailmate also leads on iOS requirement (15 vs 17.6). Topo Maps's advantage is in-app purchases (none vs 1) and chart position (#131 vs unranked). On update cadence, ads and device support there is nothing between them.

Nautics Sailmate is free to download; Topo Maps costs $2.99 up front. Nautics Sailmate sells 1 in-app purchase, starting at $11.99 per year. Topo Maps asks for nothing beyond the download.

Topo Maps ships an update every 6 weeks, Nautics Sailmate every 3 weeks. The most recent releases landed on October 29, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Topo Maps | Nautics Sailmate |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/topo-maps/id929001708/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 44.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Paid | — |
| Best chart rank | **#131** | — |
| Size | 13 MB | 111 MB |
| Requires iOS | 17.6 | **15** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [East Studios Oy](https://appshunter.io/developer/1002420814) | [Nautics](https://appshunter.io/developer/647998544) |

## What reviewers say

### Topo Maps

[App page](https://appshunter.io/ios/app/topo-maps/id929001708)

**Currently charting:** #131 Top Paid · Navigation (US App Store)

Navigate the outdoors with high-resolution topographic maps for numerous countries. Record your routes, track elevation and speed, and share your location in real-time with other users. Offline map access is available for many regions.

**Highlights:** High-resolution topographic maps, Offline map downloads, GPS route recording, Elevation and speed tracking, GPX file import/export, Real-time location sharing

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

**In-app purchases:** none


### Nautics Sailmate

[App page](https://appshunter.io/ios/app/nautics-sailmate/id1536945201)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Estonian maps | $11.99 | per year |


## Frequently asked questions

### Is Topo Maps free?

Topo Maps costs $2.99, with no in-app purchases.

### Is Nautics Sailmate free?

Nautics Sailmate is free to download, with in-app purchases available.

### Do Topo Maps or Nautics Sailmate have ads?

Neither Topo Maps nor Nautics Sailmate shows ads.

### Which is updated more often, Topo Maps or Nautics Sailmate?

Topo Maps ships an update every 6 weeks, and Nautics Sailmate every 3 weeks. Most recently, Topo Maps was updated on October 29, 2026 and Nautics Sailmate on October 6, 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.*