Comparison

Sun/Moon Compass vs onX Fish

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

Head to head
About

Sun/Moon Compass

Features
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Find the moon with this Moon Compass. By determining the exact lunar data, depending on their location, the position of the moon is shown in the compass. At an azimuth of e.g. 90 ° rotation of the moon in visible to the east. A second view shows the moon and the compass on a map. Exact lunar data shows another window. New: Sun Compass Functions: - Compass Ring - 360 ° image (night sky with moon) in the middle - In degrees and cardinal direction (N, NW, W. ..) - Switch to Map with current position - Zoom in map - Moon Data Moon data: - City Name - Moon phase date in the current week - Moonrise, Moonset, culmination of the moon - Moon Phase - Age, height, azimuth direction + - Moon in the constellation ... - Zodiac (Zodiac Sign) - Distance in kilometers - Weather conditions (temperature and weather description)

About

onX Fish

Discover new fishing spots with detailed lake data, weather forecasts, and GPS navigation. Plan your next trip with insights on fish species, stocking history, and land ownership. Navigate hands-free and access maps offline.

Highlights
  • Lake Finder with species information
  • Detailed fishing maps and planner
  • GPS navigation and offline maps
  • Land ownership and regulations
  • Hourly weather forecasts
  • 3D map visualization
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Discover new lakes, what’s in them, and how to get there for your next day of fishing. onX Fish combines lake-specific species data, bathymetric maps, and GPS navigation in one intuitive fishing App. Find new spots and identify top-producing lakes with ease. onX Fish currently covers 13 states: Minnesota, Wisconsin, Michigan, Illinois, North Dakota, South Dakota, Indiana, Ohio, Iowa, Missouri, Kansas, Nebraska, and Montana. By blending the best in accurate satellite imagery with map tools that reference up-to-date fisheries data, onX Fish gives you the confidence to explore new opportunities. Fish better water faster with species, “high abundance,” “trophy potential,” “keeper potential,” or high “stocking effort” filters. Know what to expect with Fishing Area Insights and hourly Weather at your fingertips. View regulations to keep yourself informed on new lakes and territories. Check public and private property lines and lake access points before you arrive. Review 3D topo lake maps, check maximum depth, and mark points of interest with Waypoints. Navigate to Waypoints and public access sites hands-free by connecting the App to Apple CarPlay. Download Offline Maps and know how to get back to your access points after dark, even without cell service. Use Tracker to retrace your route and easily organize past trips. A successful day on the water starts with a plan. Cast beyond the familiar with onX Fish. onX Fish Features: ▶ How can I find new lakes to fish with onX Fish? Identify local fishing spots with Lake Finder. Review top fish species and size distribution survey data per lake. Filter lakes quickly by species, abundance, trophy or keeper potential, and high stocking effort. Tap on lakes to view fishery information, like lake features and seasonality. ▶ How can I plan my next fishing trip? View historical species data, hourly weather forecasts, and barometric pressure to determine the best times to fish. Compare CPUE (Catch Per Unit Effort) data and species stocking history. Gain insights on lake structures, bottoms, cover, boat ramps, and public access points. ▶ What type of GPS and offline navigation features does onX Fish have? With onX Fish’s built-in GPS and Route Builder, you can easily navigate on and off the water. Navigate to your next spot hands-free by connecting to Apple CarPlay. Build routes and download Offline Maps to access the details you need without cell coverage. ▶ How can I view land access info and fishing regulations? Use land ownership Map Layers to know where you can fish legally. Review state-specific and special fishing regulations per lake. Find info on Access and Amenities at your lake of choice. Locate boat ramps and set Waypoints to save access points before heading out. ▶ What type of Map Layers does onX Fish have? Find productive waters, view conditions, and see motorized trails with Map Layers. Turn on Fishing Areas to view hotspots with species, seasonal movement, and vegetation info. Forecast conditions with Precipitation Radar, Wind Forecast, and Active Wildfire Layers. Download onX Fish to access the most complete fishing App that offers species, size, and CPUE data with detailed lake maps and GPS navigation. ▶ Free Trial: Start a free 7-day trial when you install the App. ▶ Free Version (No subscription required): Explore the Lake Finder, GPS navigation, offline maps, map layers, and aerial imagery at no cost. ▶ onX Fish Midwest ($34.99/year)—Full access to: • Minnesota, Wisconsin, Michigan, Illinois, North Dakota, South Dakota, Indiana, Ohio, Iowa, Missouri, Kansas, Nebraska, and Montana • Fish species details, distribution, insights, and stocking history • Detailed lake maps and fishing areas • Private lands and landownership info • Recent satellite imagery ▶ Terms of Use: https://www.onxmaps.com/tou ▶ Privacy Policy: https://www.onxmaps.com/privacy-policy ▶ Feedback: Have a problem or want to request new features? Contact us at support@onxmaps.com

Screenshots

Sun/Moon Compass4 screens
onX Fish4 screens

Verdict

The call

The clearest difference is price: onX Fish at Free against Sun/Moon Compass's $0.99. onX Fish also leads on update cadence (every 2 weeks vs every 31 months) and chart position (#38 vs unranked). Sun/Moon Compass's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support 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

onX Fish is free to download; Sun/Moon Compass costs $0.99 up front. onX Fish sells 2 in-app purchases, starting at $34.99 per year. Sun/Moon Compass asks for nothing beyond the download.

UpkeepUpdate frequency

Sun/Moon Compass ships an update every 31 months, onX Fish every 2 weeks. The most recent releases landed on December 6, 2025 and October 15, 2026 respectively.

Scorecard6 real differences · 5 level
Sun/Moon Compass versus onX Fish: the parameters behind the verdict, then further details
ParameterSun/Moon CompassonX Fish
Price$0.99Free — better
Rating—4.6 (1.8K ratings) — better
Positive reviews—66.4% of reviews
Number of ratings—1.8K — better
Update frequencyEvery 31 monthsEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
Best chart rank—#38 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better18.0
Further details — not scored
Size5 MB468 MB
Age rating4+4+
DeveloperKai BruchmannonXmaps, Inc.

Bugs and requests

Sun/Moon Compass

Not enough reviews yet to summarise bugs or requests.

onX Fish

Reported bugs

2 issues
  • Login issues and page not found errors
  • Missing lakes and inaccurate search results

Requested features

5 requests
  • Expand coverage to more Midwest states
  • Improve lake contour accuracy and detail
  • Add ability to submit user-generated data updates
  • Integrate with other fishing apps/devices
  • Offer discounts for OnX Hunt subscribers

In-app purchases

None

Sun/Moon Compass

No in-app purchases

2 purchases

onX Fish

Subscriptions2
  • Midwest Region Yearly$34.991 Year
  • Midwest Region Yearly7 Days trial$34.991 Year

Questions

Is Sun/Moon Compass free?
Sun/Moon Compass costs $0.99, with no in-app purchases.
Is onX Fish free?
onX Fish is free to download, with in-app purchases available.
Do Sun/Moon Compass or onX Fish have ads?
onX Fish shows ads; Sun/Moon Compass does not.
Which is updated more often, Sun/Moon Compass or onX Fish?
Sun/Moon Compass ships an update every 31 months, and onX Fish every 2 weeks. Most recently, Sun/Moon Compass was updated on December 6, 2025 and onX Fish on October 15, 2026.

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