Ditch vs On My Marks
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- AI-powered smart routing
- Accurate ETA predictions
- Historical AIS data visualization
- Customizable marine charts
- Live navigation view
- Up-to-date waterway information
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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/
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.
- Import GPS waypoints
- Edit waypoint data
- Merge duplicate waypoints
- Export waypoint data
- Supports Garmin Active Captain
- Supports Simrad, C-Map, Lowrance
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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
Verdict
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
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.
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.
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.
| Parameter | Ditch | On My Marks |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (23 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 64.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 23 — better | 2 |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 17.6 |
| Further details — not scored | ||
| Size | 72 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | Extent Devices LLC | On My Marks, LLC |
Customer experience
Ditch
On My Marks
In-app purchases
Ditch
- Ditch Student Subscription14 Days trial$24.991 Year
- Ditch Annual iOS Subscription14 Days trial$29.991 Year
On My Marks
- Yearly Subscription$49.991 Year









