# RT vs On My Marks

The clearest difference is review sentiment: On My Marks at 100% against RT's 0%. On My Marks also leads on rating (5.0 vs 3.0) and iOS requirement (17.6 vs 26.0). RT's advantage is chart position (#197 vs unranked) and ratings volume (8 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. RT sells 5 one-off in-app purchases and On My Marks sells 1 in-app purchase, starting at $49.99 per year. Whichever you choose, the download price is not the number that matters.

On My Marks holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 8 and 2 respectively. Written reviews point the same way: 0% of RT's written reviews are positive against 100% of On My Marks's.

RT ships an update monthly, On My Marks every 3 weeks. The most recent releases landed on September 23, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | RT | On My Marks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (8 ratings)](https://appshunter.io/ios/app/rt-nav/id586307815/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/on-my-marks/id6737274150/reviews)** |
| Number of ratings | **8** | 2 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#197** | — |
| Size | 13 MB | 73 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hilton's Fishing Charts, L.L.C.](https://appshunter.io/developer/586307818) | [On My Marks, LLC](https://appshunter.io/developer/1775694456) |

## What reviewers say

### RT

[App page](https://appshunter.io/ios/app/rt-nav/id586307815)

**Currently charting:** #197 Top Grossing · Navigation (US App Store)

Navigate using real-time oceanographic data like sea surface temperatures and currents on your mobile device. Create and edit waypoints, zoom maps, and track your GPS location for point-to-point navigation. Access dynamic maps even without cell service.

**Highlights:** Real-time oceanographic imagery, Waypoint creation and editing, Map zooming, Point-to-point navigation, Real-time GPS tracking, Offline navigation capabilities

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Day Subscription | $29.99 | one-time |
| 1 Week Subscription | $49.99 | one-time |
| 1 Month Subscription | $99.99 | one-time |
| 1 Year Subscription | $199.99 | one-time |
| One Year International | $199.99 | one-time |


### On My Marks

[App page](https://appshunter.io/ios/app/on-my-marks/id6737274150)

Organize and manage your GPS waypoints from various devices and software. Easily import, edit, merge, and export your marks to declutter and streamline your navigation data for fishing, boating, diving, and outdoor exploration.

**Highlights:** Import GPS waypoints, Edit waypoint data, Merge duplicate waypoints, Export waypoint data, Supports Garmin Active Captain, Supports Simrad, C-Map, Lowrance

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Subscription | $49.99 | per year |


## Frequently asked questions

### Is RT free?

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

### Is On My Marks free?

On My Marks is free to download, with in-app purchases available.

### Which has better reviews, RT or On My Marks?

On My Marks is rated higher. RT averages 3.0 out of 5 from 8 ratings, while On My Marks averages 5.0 from 2 ratings.

### Do RT or On My Marks have ads?

Neither RT nor On My Marks shows ads.

### Which is updated more often, RT or On My Marks?

RT ships an update monthly, and On My Marks every 3 weeks. Most recently, RT was updated on September 23, 2026 and On My Marks on September 13, 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.*