# onNAV Marine vs TowRiver

The clearest difference is rating: TowRiver at 5.0 against onNAV Marine's 4.2. TowRiver also leads on in-app purchases (none vs 3). onNAV Marine's advantage is ratings volume (18 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. onNAV Marine sells 3 in-app purchases, starting at $9.99 per month. TowRiver asks for nothing beyond the download.

TowRiver holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: onNAV Marine has 18 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | onNAV Marine | TowRiver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (18 ratings)](https://appshunter.io/ios/app/onnav-marine/id1557830177/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/towriver/id6785147266/reviews)** |
| Number of ratings | **18** | 1 |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 152 MB | 223 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [onNAV LLC](https://appshunter.io/developer/1557830179) | [Torben Rytt](https://appshunter.io/developer/6784492469) |

## What reviewers say

### onNAV Marine

[App page](https://appshunter.io/ios/app/onnav-marine/id1557830177)

This app offers advanced marine navigation with 3D charts, real-time weather, and safety alerts. Plan trips, track storms, and monitor conditions with a user-friendly interface for all boating enthusiasts.

**Highlights:** 3D ENC Day & Night Nautical Charts, Multi-Device Anchor Alert, Live Hurricane Tracker, Live Buoy Weather & Cameras, Offline Tide Charts, Weather Radar, Navigation Compass

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month Pro | $9.99 | per month |
| Three Months Pro | $24.99 | per 3 months |
| One Year Pro | $49.99 | per year |


### TowRiver

[App page](https://appshunter.io/ios/app/towriver/id6785147266)

Plan your boating trips on major inland waterways with real-time lock traffic, bridge clearances, and river conditions. See who's waiting at locks and get estimated travel times based on your cruising speed.

**Highlights:** Interactive river map with offline nautical charts, Trip planner with distance and lock/bridge estimates, Live lock traffic and underway tow tracking, Bridge clearance based on air draft and river level, Real-time river conditions and weather forecasts, GPS position snapped to channel with upcoming points of interest

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is onNAV Marine free?

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

### Is TowRiver free?

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

### Which has better reviews, onNAV Marine or TowRiver?

TowRiver is rated higher. onNAV Marine averages 4.2 out of 5 from 18 ratings, while TowRiver averages 5.0 from 1 ratings.

### Do onNAV Marine or TowRiver have ads?

Neither onNAV Marine nor TowRiver shows ads.

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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.*