Comparison

RT vs On My Marks

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

RT

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
Read full description

Hilton's Realtime-Navigator Mobile Navigation Application. Navigate on almost real-time imageries such as sea surface temperatures, chlorophyll, surface currents, altimetry, and salinity using your iPad, iPhone, and/or iPod device(s) as your chartplotter! Features include: -Ability to create waypoints/routes "On the fly" -Waypoint creation and editing -Map zooming -Point to point navigation -Real-time GPS location -Ability to change chart selection "On the fly" The RT-Nav app interfaces with the RT-Nav.com website to provide a platform to allow subscribers the ability to navigate on desired RT-Nav.com images using youriPad, iPhone, and/or iPod device(s) as a chartplotter. View your real-time position on dynamic maps outside of cell/internet range navigating to temp breaks (probable weedlines), color changes, or default/custom waypoints by using our touch-screen technology!

About

On My Marks

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
Read full description

On My Marks – The Ultimate GPS Waypoint Manager for Garmin Active Captain, Simrad, C-Map, Lowrance and more. Take control of your GPS waypoints like never before. Whether you’re a fisherman, boater, diver, or outdoor explorer, On My Marks helps you clean up clutter, eliminate duplicates, and organize all your waypoints from Garmin or other GPS software—fast. Built for simplicity and speed, On My Marks lets you import, edit, merge, and export waypoint data in minutes, not hours. What Users Are Saying: “I deleted over 1,000 duplicates in minutes. This app is worth every penny.” – Sheila D. “Finally, an easy way to manage Garmin waypoints!” – Clay J. “Super fast and intuitive. I use it before every fishing trip.” – Joe F. Ready to clean up your GPS waypoints? Download On My Marks now and get organized in minutes. Import, edit, and export your GPS marks—stress-free. Secure. Cross-platform. Built for real-world adventures. Review the Terms of Use (EULA) at https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

RT4 screens
On My Marks4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 6 level
RT versus On My Marks: the parameters behind the verdict, then further details
ParameterRTOn My Marks
PriceFreeFree
Rating3.0 (8 ratings)5.0 (2 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings8 — better2
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#197 — better—
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.017.6 — better
Further details — not scored
Size13 MB73 MB
Age rating4+4+
DeveloperHilton's Fishing Charts, L.L.C.On My Marks, LLC

Customer experience

RT

All ratings8 ratings
Positive37.5%
Neutral25.0%
Negative37.5%
Written reviews4 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

On My Marks

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

5 purchases

RT

One-time5
  • 1 Day Subscription$29.99
  • 1 Week Subscription$49.99
  • 1 Month Subscription$99.99
Show 2 more
  • 1 Year Subscription$199.99
  • One Year International$199.99
1 purchases

On My Marks

Subscriptions1
  • Yearly Subscription$49.991 Year

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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