Comparison

Fish Mapping vs Rhodan

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

Head to head
About

Fish Mapping

This app provides detailed fishing recommendations and environmental data to help anglers find the best spots for bait and game fish. It displays information like plankton strength, sea surface temperature, and ocean currents to optimize fishing trips.

Highlights
  • Fishing Recommendations
  • Weed Lines
  • Plankton Front Strength
  • Sea Surface Temperature
  • Sub-Surface Temperatures
  • Sea Surface Height Anomalies
  • Ocean Currents
Features
Read full description

The Fish Mapping App delivers advanced, science-based fishing intelligence directly to your mobile device or desktop, helping you plan smarter and fish more efficiently. With the latest upgrades, the App now offers an enhanced experience with powerful new tools and expanded data layers designed to help anglers quickly identify fishing areas where conditions are best for bait fish to gather and where game fish are most likely to hunt. With the Fish Mapping App, anglers can view the following features on their mobile or desktop devices: • AI Hot Zones (updated daily) • Oceanographer Fish Recommendations (updated twice weekly) • Ocean data layers – Sea Temperatures, Plankton, Currents, Salinity, Thermocline (updated daily) • Altimetry & True-Color imaging (updated daily) • Bathymetry TWO WAYS TO GET FISH MAPPING • Download and then subscribe in the app for App-Only plan. Choose Annual Mobile, Annual Mobile + Desktop, or 1-Week Mobile + Desktop. • Already a SiriusXM Marine Fish Mapping satellite subscriber? Download and then activate the app with your receiver's Radio ID. The app is included with your satellite subscription. Note: SiriusXM Marine weather features are not available on the Fish Mapping App. Download the Fish Mapping App now and start using it on your Mobile or desktop devices to help plan your next fishing trip! App requires internet access. Learn more at siriusxm.com/fishmapping -------------------------- APP-ONLY PLAN OFFER DETAILS Choose either a 1-week or annual Fish Mapping App subscription plan. The 1-week plans do not renew and will end at the end of the stated term. If selecting an annual plan, service will AUTOMATICALLY RENEW each year at the then-current annual rate plus appl. tax, until you cancel. Cancel at least 24 hours before your renewal date in your Apple account (Settings → [your name] → Subscriptions) to avoid future charges. Cancellation is effective at the end of your then-current term. No refunds/credits unless permitted by Apple. App-only plans do not include satellite service. Internet access required. All fees, content, and features are subject to change. Service not available in AK or HI. SATELLITE SUBSCRIBERS Access to the app may take up to 24 hours from subscription activation to process. Satellite subscriptions require a compatible satellite-enabled device. App subscribers on a Mobile-only plan are limited to two (2) mobile devices. App subscribers on a Mobile + Desktop plan are limited to two (2) devices in any of the following combinations: 2 mobile devices, or 2 desktop devices, or 1 mobile and 1 desktop device. Changing to new devices can take up to 24 hours. Internet access is required for the Fish Mapping App. Data rates may apply. The SiriusXM Fish Mapping® App is administered by OceanBytes Holding LLC. Fish Mapping App Privacy Policy: www.siriusxm.com/fish-mapping-privacy-policy Terms of Use (SiriusXM Customer Agreement): www.siriusxm.com/customer-agreement

About

Rhodan

Transform your iPhone into a remote control for your trolling motor. Monitor real-time performance data and adjust motor settings wirelessly for a seamless fishing experience.

Highlights
  • Wireless motor control
  • Real-time performance data
  • Custom motor configuration
  • Over-the-air firmware updates
  • Remote steering and mode changes
Features
Read full description

Full Control. Real-Time Data. Seamless Updates. Rhodan turns your iPhone into a powerful command center for your trolling motor. Whether you're on the water or preparing for your next trip, this app provides direct wireless control and live performance monitoring — giving you complete control at your fingertips. Key Features: • Wireless Motor Control – Remotely start, stop, steer, and change operation mode of your trolling motor. • Live Runtime Data – View real-time stats including speed, direction, battery voltage, and more. • Custom Motor Configuration – Fine-tune your motor settings to match your fishing style and environment. • Over-the-air Firmware Updates – Stay current with the latest performance improvements and features by updating your motor wirelessly. Designed for ease of use and built for performance, Rhodan puts everything you need in one intuitive app — so you can focus on what matters most: fishing!

Screenshots

Fish Mapping4 screens
Rhodan4 screens

Verdict

The call

The clearest difference is rating: Rhodan at 5.0 against Fish Mapping's 4.2. Rhodan also leads on in-app purchases (none vs 3). Fish Mapping's advantage is ratings volume (5 vs 1). On price, ads, device support and iOS requirement 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. Fish Mapping sells 3 in-app purchases, starting at $199.00 per year. Rhodan asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Rhodan holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Fish Mapping has 5 ratings behind it against 1, so its average is the more settled of the two.

Scorecard4 real differences · 6 level
Fish Mapping versus Rhodan: the parameters behind the verdict, then further details
ParameterFish MappingRhodan
PriceFreeFree
Rating4.2 (5 ratings)5.0 (1 ratings) — better
Positive reviews50.0% of reviews—
Number of ratings5 — better1
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size128 MB96 MB
Age rating17+17+
DeveloperOceanBytes Holding LLCRhodan Marine Systems of Florida, LLC

Customer experience

Fish Mapping

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Rhodan

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Fish Mapping

Subscriptions2
  • Annual Mobile$199.001 Year
  • Annual Mobile + Desktop$299.001 Year
One-time1
  • 1-Week Mobile + Desktop$24.99
None

Rhodan

No in-app purchases

Questions

Is Fish Mapping free?
Fish Mapping is free to download, with in-app purchases available.
Is Rhodan free?
Rhodan is free to download, with no in-app purchases.
Which has better reviews, Fish Mapping or Rhodan?
Rhodan is rated higher. Fish Mapping averages 4.2 out of 5 from 5 ratings, while Rhodan averages 5.0 from 1 ratings.
Do Fish Mapping or Rhodan have ads?
Neither Fish Mapping nor Rhodan shows ads.

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