onWater Fish - Fishing Spots
Maps & Navigation · onwater llc
onWater Fish - Fishing Spots screenshots
onWater Fish is a free Android app from onwater llc, filed under Maps & Navigation, and it is built around the research that happens before a fishing trip rather than during it. The catalog spans a huge number of lakes and rivers, and the maps also plot public access points, boat ramps, and fly and tackle shops. That is the pitch: instead of juggling a map, a flow gauge and a regulations page, you keep the planning in one place.
The reason to consider it is the combination of real-time water data with access information. Streamflow readings, weather forecasts and public land boundaries are the sort of thing that decides whether a trip is worth the drive, and having them attached to the same map you use to pick a launch point saves a fair amount of cross-checking. It has been on the Play Store since August 2021 and currently sits at a 4.3 average from 1,003 ratings, with more than 100,000 installs.
It is worth being clear that the app is a planning tool. It tells you about water, access and conditions; it does not replace a rod, a license or local judgment. Anglers who like to scout unfamiliar rivers and lakes before committing a day to them are the readers I would point at this first.
The species layer and what it does for trip planning
The feature the developer leads with is a fish species map layer covering more than 100 species, described as an industry first. The idea is that you can look at a lake or river and see which fish are associated with it before you decide what tackle to bring or what to target. For someone learning new water, that is a more direct way to answer the "what lives here" question than reading through scattered reports.
The layer is described as an industry-first feature. I would treat that as the core of the paid offering rather than an extra, because it shapes how you choose where to fish rather than just adding detail to a spot you have already picked.
Used well, the layer works as a filter. If you are chasing a particular species, you can narrow the map to water where it is found and then check access and flows for those candidates. That sequence, species first and conditions second, is the workflow the app seems designed around, and it is a sensible one for anyone planning a trip to water they have never seen.
Streamflows, boundaries and the rest of the toolkit
Conditions monitoring is handled through My Waters, a dashboard for current and forecast USGS streamflows.
Public land boundaries are part of the experience, and the developer frames them as a way to find access along the nation's waterways. Private property boundaries, which tell you who owns a given parcel, are also included. Together these two layers address the part of fishing that causes the most friction: knowing where you are allowed to be, and where you are not.
Regulations and restrictions are available inside the app, which saves a separate search when you are checking a new river. There is also a fishing journal for recording conditions, locations and catches on your phone, so the record of a trip lives alongside the data that informed it. The update also brings algal blooms to the map, live USGS webcams, and water temperature readings for lakes.
A community feed rounds things out, and the latest version added upvotes plus New, Top and Nearest sorting. I would expect that to be most useful for surfacing recent activity on water near you, though how much it adds depends on how many anglers in your area are posting.
What the free app gives you and what the subscription adds
The app is free to download, carries no ads, and offers in-app purchases. The free tier includes the spot database, the public land boundaries, regulations, the journal, and My Waters.
The app also offers real-time conditions for an unlimited number of waters, advanced distance measuring, offline maps, private property boundaries, 3D maps, and the fish species layer. That is a substantial list, and it is worth thinking about which parts you would genuinely use before committing.
For a weekend angler with one or two regular rivers, the essentials may be enough. For someone who travels to new water regularly, or who fishes places where a signal is unreliable, offline maps and unlimited condition tracking are worth a look. I would suggest starting free and letting your own habits tell you whether the upgrade makes sense.
Because the download is free, there is no cost to finding out whether the feature set fits how you fish. The decision point comes later, once you know which of the subscription tools you keep reaching for.
Getting useful answers out of it on unfamiliar water
The workflow I would suggest starts with access rather than species. Pick the stretch of river or the lake you are considering, check the public land boundaries layer to confirm you can legally get to the water, then look at the streamflow readings for the nearest gauge to see whether conditions suit a trip at all. Weather forecasts sit alongside those readings, so the go or no-go decision rests on more than one number.
Once a piece of water passes that test, the species layer tells you what you are likely to be fishing for, and the regulations section tells you what is allowed when you get there. That order keeps you from planning around a species that is out of season or a stretch you cannot legally reach.
The journal is the part I would encourage using from the first trip, not later. Recording conditions, location and catch on the day gives you something to compare against when you are deciding whether to return under similar flows. Over a season, that record is more useful than any single forecast.
If you spring for the subscription, offline maps are the feature to set up before you leave rather than at the trailhead, since the point of them is coverage in places where a connection is unreliable. The distance measuring tool is aimed at anglers who need to know exactly how far a float or cast has to travel, and the 3D maps are there to give you a sense of the terrain before you arrive. None of these change what the app is for; they just remove some of the guesswork from a day on new water.
Where the app asks more of you
The My Waters dashboard is the feature most people will notice first. If you like to keep an eye on half a dozen rivers at once, that matters quickly.
The species layer, private property boundaries, 3D maps, offline maps and the distance measuring tool are all part of the app. Anyone comparing this against a plain map app should weigh that against what the free tier already includes.
There is also a data dependency to accept. Streamflows, forecasts and webcams are drawn from outside sources, and the app's usefulness tracks the coverage of those sources in your area. Anglers fishing water with a nearby USGS gauge will get more out of it than those on small, unmonitored creeks.
Finally, this is a research tool rather than a fish finder. It will not tell you where the fish are holding on a given afternoon, and the value you get from it depends on how much you enjoy planning. Anglers who prefer to show up and read the water will find less here to hold their attention.
A planning tool for anglers who scout before they cast
onWater Fish is a well-organized answer to a specific problem: pulling access, conditions, species and regulations into one map so you can decide where to fish before you leave the house. The app is genuinely useful on its own, with the spot database, public land boundaries, regulations, journal and the My Waters conditions dashboard.
If you fish the same couple of rivers, the free tier will likely cover you. If you are regularly driving to water you have never seen, the paid tools address exactly the uncertainty that makes those trips a gamble.
I would suggest downloading it free, setting up My Waters with your usual spots, and using it through a few trips. If you find yourself wanting the species layer or offline maps on a regular basis, the upgrade decision makes itself. Anglers who plan trips around flows and access, and who want that information in one place, are the readers this app is built for.
The short verdict
A free fishing planner that earns its keep for anglers who research flows, access and species before a trip.
What's new in version 3.3.3
You can now see algal blooms on the map, check live USGS webcams before you head out, and get lake surface temperature on waterbody overviews and in My Waters. We've also added upvotes and New, Top, and Nearest sorting to the community feed, along with sign in improvements, and bug fixes. Thanks for Fishing with us, and thanks for your help finding bugs. Please keep sending us feedback, we're always listening.
App specs
- Version3.3.3
- UpdatedSeptember 24, 2026
- Downloads100K+
- RequiresAndroid 11+
- PriceFree
- Age ratingEveryone
onWater Fish - Fishing Spots: frequently asked questions
What does onWater Fish actually do?
It puts fishing access points, boat ramps, tackle shops, streamflow readings, weather forecasts and regulations onto maps covering a huge number of lakes and rivers. You use it to research water before a trip rather than to find fish while you are on it. The developer describes it as a planning tool for a more self-reliant day on the water.
Is the free version enough, or do I need the subscription?
The app includes the spot database, public land boundaries, regulations, the fishing journal and My Waters. The app also offers unlimited waters, the fish species layer, offline maps, private property boundaries, 3D maps and advanced distance measuring. If you fish one or two regular spots, the free tier covers the basics; the paid tools matter more for traveling anglers.
How does the fish species map layer work?
It is a map layer that shows the habitats of over 100 fish species, so you can see what is found in a given lake or river before deciding what to target. The feature is presented as an industry first. It is described as an industry-first feature.
Does the app work without a signal?
Yes. Maps work offline, so your spots stay usable where signal is poor; you download the maps ahead of time for the water you plan to visit.
What was added in the most recent update?
Recent updates brought algal blooms, USGS webcams, and lake temperatures to the map. The community feed now supports upvotes and sorting by New, Top and Nearest, plus sign-in fixes and bug fixes.
Pros
- Large database of lakes, rivers and access points
- USGS streamflows and weather in one place
- Public land boundaries and regulations included
- Fishing journal for conditions, locations and catches
- No ads in the free download
Cons
- My Waters dashboard for tracking waters
- Species layer included
- Offline maps and private boundaries included
- Usefulness depends on USGS gauge coverage nearby
Download onWater Fish - Fishing Spots
by onwater llc
Free · In-app purchases · Official Google Play listing