# MTL SURF vs COURONS

The clearest difference is update cadence: MTL SURF at every 2 months against COURONS's every 21 months. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for MTL SURF against 5.0 for COURONS. Both are backed by a comparable volume of ratings — 3 and 6 respectively. Written reviews are what separate them: 100% of MTL SURF's written reviews are positive against 94% of COURONS's.

MTL SURF ships an update every 2 months, COURONS every 21 months. The most recent releases landed on September 29, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | MTL SURF | COURONS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/mtl-surf/id1121864375/reviews) | [5.0 (6 ratings)](https://appshunter.io/ios/app/courons/id6740501257/reviews) |
| Number of ratings | 3 | **6** |
| Positive reviews | **100.0% of reviews** | 93.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 21 months |
| Monetization | Free | Free |
| Size | 94 MB | 31 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kayak Sans Frontieres](https://appshunter.io/developer/1805677059) | [Dilltree Inc](https://appshunter.io/developer/799017229) |

## What reviewers say

### MTL SURF

[App page](https://appshunter.io/ios/app/mtl-surf/id1121864375)

Get real-time river conditions for surfing, including water temperature, level, and flow. Make informed decisions about when and how to surf, and track historical data with charts.

**Highlights:** Live river metrics (temperature, level, debit), Wave quality prediction, Wetsuit recommendation, Historical data charts, Session planning tool

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

**In-app purchases:** none


### COURONS

[App page](https://appshunter.io/ios/app/courons/id6740501257)

Follow live race progress with real-time updates on participant times, paces, and positions. Access an interactive course map, track multiple runners simultaneously, and find aid station locations. Stay informed with event details and spectator routes.

**Highlights:** Real-time participant tracking, Interactive course map, Track multiple participants, Aid station locations, Spectator routes, Event details and messaging

**In-app purchases:** none


## Frequently asked questions

### Is MTL SURF free?

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

### Is COURONS free?

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

### Which has better reviews, MTL SURF or COURONS?

MTL SURF and COURONS are both rated 5.0 out of 5 on the App Store, from 3 and 6 ratings respectively.

### Do MTL SURF or COURONS have ads?

Neither MTL SURF nor COURONS shows ads.

### Which is updated more often, MTL SURF or COURONS?

MTL SURF ships an update every 2 months, and COURONS every 21 months. Most recently, MTL SURF was updated on September 29, 2026 and COURONS 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.*