Lowrance HDS 7 Gen 3 Fish Finder Review in 2023 – Expert Opinion

By Wade Johnson

Lowrance HDS 7 Gen 3 Reviews in 2021 -Unbiasedly Reviewed

Whether you’re an amateur or an experienced fisherman, fishing in uncharted fresh and saltwater territories can turn into a fruitless venture without the help of a sophisticated fish finder.

It’s laden with such performance-grade features that will instantly make you aware of the fish underwater activity and direct you towards fish active locations.

Today we’ve picked Lowrance HDS 7 Gen 3 fish finder for detailed review.

To let you know that this is that chosen device that oozes class and sophistication along with the promise of delivering 100% accurate results irrespective of the weather conditions.

Go for it to update your fishing gear without burning a permanent hole in your pocket.

What Makes Lowrance HDS 7 Gen 3 Stand Out?

Lowrance HDS 7 Gen3 comes laden with advanced features and multiple types of imaging to successfully garner as many fish as you want yet the price seems relatively affordable as compared to other exclusive models.


Our Lowrance HDS 7 Gen 3 Fish Finder Review

We can sum up Lowrance HDS-7 Gen3 in just two words: “Sophisticated & Classy.” Now that you’re intrigued, here’s what this fine piece of equipment has in store for you.

The unit belongs to the top-end category with the exception of eyes-popping high pricing. So that’s one worry out of the way.

Now comes the real task i.e. of detecting fish so you could return victorious from your fishing venture. You’ll feel like a kid in a candy store – not willing to get out of the store – because its Chirp and StructureScan HD sonar boasts of an in-depth, clutterless view of the world beneath water surface.

The view gets 10 times better, courtesy of its 7” large display supporting both keyed controls and touchscreen interface. Contrary to what it looks like, navigating it is actually a piece of cake.

In seconds you’ll be rewarded with a film-like picture of underwater terrain.

Since it’s striving to get in big leagues, it’s a no-brainer that the device employs navigation features like GPS and US inland mapping.

Freshwater or saltwater, neither will you get lost nor will you lose track of productive spots that you found along the way.

In conclusion, buy it because there aren’t many high-end gadgets that come with a user-friendly interface, deliver on their promise of 100% outcome and yet can be purchased without having to break the bank.


Chirp & StructureScan

Lowrance HDS-7 Gen3 has a one-way mind: to make sure you don’t miss any fish that swims by your boat. To fulfil its goal, it has gone one step further and utilised Chirp technology along with in-demand StructureScan (sidescan and downscan imaging) sonar.

While the chirp sonar ensures you get an intelligible and crisp view of the seafloor, the HD StructureScan promises to offer you ultra-clear imagery of everything lying directly underneath the boat and on either of its sides, including fish, bottom structure, weeds and other objects.

This 180-degree plane of view coupled with Chirp scan makes you aware of every single fish that’s loitering in the vicinity.

Display Screen

HDS-7 gen3 comes with a 7” large coloured display, neither too large to not be accommodated on a boat nor too small to ruin the beautiful imagery.

It’s waterproof as well as backlit which eradicates all your worries. Meaning, sunny or rainy, moonlight or dark, the display will always reveal a bright picture.

To make things more appealing, it combines touchscreen interface with button controls. Plus, it can be split into 4 viewing panels to allow you to get multiple information at once in order to evaluate them and come up with the best possible fishing strategy.

Navigational Assistance

Apart from fish tracker, this unit can also be called as a personal guide on water. It features high-sensitivity GPS that not only lets you tread any waterbody with confidence but also allows you to program those routes and waypoints in the system that lead to your favorite fishing spots.

Moreover, it also features Insight USA charts, allowing you to get help from preloaded inland maps.

As an icing on the cake, there is a special “GoFree” cloud-enabled feature that gives you the advantage of downloading maps of nearby users, updating the existing maps or uploading your own maps to share with friends.

Other Features

Though this isn’t a commercial-grade device yet it carries features like wireless connectivity and networking. Former is a blessing as except the power cable, the rest of functioning including software updates and mapping details are performed through bluetooth and wireless connection.

This one also features ethernet connectivity and NMEA port along with micro SDcard slots. The purpose is to enhance your fishing experience.

Some other Great Lowrance Models:


  • Hard-wearing design.
  • Backlit display offers crisp and sharp visuals throughout.
  • Touchscreen interface with split-screen setting.
  • Waterproof.
  • Sensitive internal GPS coupled with preloaded detailed inland mapping.
  • Chirp and StructureScan HD sonar bring clutterless views of underwater terrain.
  • Offers networking features.
  • Primarily designed for serious fishermen.


  • Might be expensive for casual fishers.
  • Takes a bit of time to get familiarized with the controls.
  • Might not satisfy commercial fishermen.


Why Should You Purchase Lowrance HDS 7 Gen 3?

Purchasing it will bring you several steps closer to the victory of returning successful from future fishing expeditions, an attribute of its advanced sonar technologies. Besides, it’s a high-end feature-packed model designed to impress serious anglers so it’s a bit expensive yet it’s not pricey like some other upscale models to make a significant dent in your pocket.

Final Verdict

Lowrance HDS-7 Gen 3 has a few pitfalls like any other fish finder yet it is referred to as one of the best gps combo fish finders for fresh and saltwater. Its sophisticated sonar technology and mapping software might prove intimidating for beginners and casual fishers. However, if you’re a passionate fisherman don’t hesitate to buy it because its high-quality display along with navigational aid and advanced sonar technologies will enable you to make the most out of every fishing trip.

Wade Johnson
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