Comparison

Ditch 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

Ditch

Enhance your boating experience with intelligent routing and accurate arrival time predictions. Visualize historical vessel traffic and customize charts for a personalized view of waterways, ensuring safer and more confident journeys on the water.

Highlights
  • AI-powered smart routing
  • Accurate ETA predictions
  • Historical AIS data visualization
  • Customizable marine charts
  • Live navigation view
  • Up-to-date waterway information
Features
Read full description

Ditch: Boat Navigation Reimagined. Ditch empowers captains with smarter, safer routes and unparalleled confidence on the water. Try it free for two weeks! SMART PATH™ Our unique routing algorithm analyzes billions of data points, including historical AIS data, to create the safest, most efficient path for your boat. It's like having years of local knowledge distilled into every journey. SMART ETA No more guessing arrival times. Ditch factors in the slower no-wake zones, and your cruising speed, to provide more accurate ETAs, taking the guesswork out of your journey. Ditch is not designed to replace your existing navigation tools, but to enhance them. Think of it as your trusted second opinion, providing an extra layer of confidence so you can focus on enjoying your time on the water. Additional Key Features AIS DATA See where other boats have traveled. Visualize historical AIS data directly on your charts to identify popular and safe routes. CUSTOMIZABLE CHARTS Tailor your charts to your needs. Filter data based on local captains, recency, and boat length, to get a personalized view of the waterways. LIVE NAVIGATION VIEW See real-time updates on route distance, time to arrival, and SOG while underway. UP-TO-DATE DATA We prioritize the freshest most recent information. CONSTANTLY EVOLVING Our routing AI algorithm is always learning and improving. UNPARALLELED DETAIL Combining NOAA charts, USACE surveys, and historical AIS. AI POWERED Our cutting-edge technology analyzes millions of miles of real-world boating data. SIMPLE & INTUITIVE Our uncluttered interface puts the focus on your route, making navigation effortless and enjoyable. EFFORTLESS EXPLORATION Focus on the joy of boating, not just navigation. After your free trial, enjoy a full year of Ditch for only $29.99. Download Ditch today and experience the boat navigation reimagined! Terms of Use: https://ditchnavigation.com/ditch-terms-of-use/ Privacy Policy: https://ditchnavigation.com/privacy-policy/

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

Ditch4 screens
On My Marks4 screens

Verdict

The call

The clearest difference is rating: On My Marks at 5.0 against Ditch's 4.0. On My Marks also leads on review sentiment (100% vs 64%). Ditch's advantage is ratings volume (23 vs 2) and iOS requirement (15.1 vs 17.6). 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. Ditch sells 2 in-app purchases, starting at $24.99 per year 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 4.0. That said, the two scores are not equally well evidenced: Ditch has 23 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 64% of Ditch's written reviews are positive against 100% of On My Marks's.

UpkeepUpdate frequency

Ditch ships an update monthly, On My Marks every 2 weeks. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

Scorecard4 real differences · 6 level
Ditch versus On My Marks: the parameters behind the verdict, then further details
ParameterDitchOn My Marks
PriceFreeFree
Rating4.0 (23 ratings)5.0 (2 ratings) — better
Positive reviews64.3% of reviews100.0% of reviews — better
Number of ratings23 — better2
Update frequencyMonthlyEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.6
Further details — not scored
Size72 MB61 MB
Age rating4+4+
DeveloperExtent Devices LLCOn My Marks, LLC

Customer experience

Ditch

All ratings22 ratings
Positive72.7%
Neutral0.0%
Negative27.3%
Written reviews14 reviews
Positive64.3%
Neutral0.0%
Negative35.7%

On My Marks

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Ditch

Subscriptions2
  • Ditch Student Subscription14 Days trial$24.991 Year
  • Ditch Annual iOS Subscription14 Days trial$29.991 Year
1 purchases

On My Marks

Subscriptions1
  • Yearly Subscription$49.991 Year

Questions

Is Ditch free?
Ditch 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, Ditch or On My Marks?
On My Marks is rated higher. Ditch averages 4.0 out of 5 from 23 ratings, while On My Marks averages 5.0 from 2 ratings.
Do Ditch or On My Marks have ads?
Neither Ditch nor On My Marks shows ads.
Which is updated more often, Ditch or On My Marks?
Ditch ships an update monthly, and On My Marks every 2 weeks. Most recently, Ditch was updated on October 24, 2026 and On My Marks on October 17, 2026.

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