# OpenSwim vs isomaps

The clearest difference is review sentiment: isomaps at 100% against OpenSwim's 76%. isomaps also leads on update cadence (every 3 days vs fortnightly). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. OpenSwim sells 4 in-app purchases, starting at $12.99 per month and isomaps sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

OpenSwim ships an update fortnightly, isomaps every 3 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | OpenSwim | isomaps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/openswim-swimming-app/id1616903136/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 76.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Freemium | Freemium |
| Size | 66 MB | 128 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SSO ACTIVE](https://appshunter.io/developer/1616903138) | [Iso-maps Geoservices SARL](https://appshunter.io/developer/1754976685) |

## What reviewers say

### OpenSwim

[App page](https://appshunter.io/ios/app/openswim-swimming-app/id1616903136)

This app provides swimmers with over 1000 guided workouts and multi-week training plans created by certified coaches. It offers smart watch integration for data syncing and direct session transfer, along with activity history and community features to track progress and stay motivated.

**Highlights:** Over 1000 swimming workouts, Multi-week training plans, Smartwatch compatibility (Garmin, Apple, Suunto, etc.), Activity history and progress tracking, Community challenges and groups, HealthKit integration

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OpenSwim Premium 1 month | $12.99 | per month |
| OpenSwim Premium 1 month | $12.99 | per month |
| OpenSwim Premium 1 year | $69.99 | per year |
| OpenSwim Premium 1 year | $69.99 | per year |


### isomaps

[App page](https://appshunter.io/ios/app/isomaps/id6744872253)

Identify mountain peaks in augmented reality and track your outdoor adventures. Plan, record, and share activities with offline maps, detailed weather forecasts, and live tracking. Connect with a community of outdoor enthusiasts.

**Highlights:** Augmented reality peak identification, Smart GPS tracking with activity types, Live location sharing, Offline topographic maps, Ultra-local mountain weather forecasts, Integrated messaging and social network, Customizable dashboard and route planning

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Subscription | $6.99 | per month |
| Yearly Premium Subscription | $49.99 | per year |


## Frequently asked questions

### Is OpenSwim free?

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

### Is isomaps free?

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

### Do OpenSwim or isomaps have ads?

Neither OpenSwim nor isomaps shows ads.

### Which is updated more often, OpenSwim or isomaps?

OpenSwim ships an update fortnightly, and isomaps every 3 days. Most recently, OpenSwim was updated on October 25, 2026 and isomaps on October 25, 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.*