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FlyGuysNLies: Fly Fishing App

FlyGuysNLies: Fly Fishing App

River Flows & Hatch Charts

34 ratings
11 reviews
⚽ Sports
Free
In-App Purchases

Details

  • Released
  • Updated
  • April 11, 2026
  • August 10, 2026

Features

Developer

In The Foam LLC
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FlyGuysNLies: Fly Fishing App screenshot #11 for iPhone
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FAQ↘︎
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About

This app provides detailed, localized fly fishing information for specific rivers in Colorado, Wyoming, Montana, Utah, and New Mexico. It offers river verdicts, fishing forecasts, hatch alerts, and fly recommendations to help anglers make informed decisions.

✓River Verdicts with ratings (Good, Fair, Poor)
✓Daily fishing forecasts with ratings
✓Hatch alerts for real-time insect activity
✓Smart alerts for prime fishing conditions
✓River-specific hatch charts and insect profiles
✓Fly and rig recommendations
✓Offline reference library
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What's New in FlyGuysNLies

2.9.0

August 10, 2026

Unified notification inbox for rewards, premium, and account updates. More reliable premium syncing in the background. River pages now show the full 'About this River' text, plus refreshed data for 200+ rivers. Fixed seasonal outlook and favorites stalls, faster weather updates. Plus other bug fixes.

More

Subscription plans

FlyGuysNLies Premium Annual

Unlock premium features.

$14.991 Year
7 Days trial
How to cancel FlyGuysNLies subscription ⁉️

User reviews

Most RecentHighest RatedLowest Rated

Best part is pictures of flys to use

Best part is pictures of flys to use.
Sam1.0Sam1.0

Yes!!!

Such a big fan of this app!
Beargrylls311Beargrylls311

Fantastically useful!

I love this app, as it has everything I need in one place. I can check Weather, flows, patches, recommended flies, knots, fly tying recipes, and keep a log of all my fishing adventures. Developer really hit it out of the park with this one.
Ray Parker Sr.Ray Parker Sr.

Amazing App

Easy to use !
Fly fisher girl 22Fly fisher girl 22

Best fly fishing app!

Perfect app for western US fly fishing enthusiasts. The ability to plan your trip and look at what the recommended flys for that trip is amazing. I recommend!
jtpirate16jtpirate16
See 6 more reviews

FAQ

What states does FlyGuysNLies cover?

FlyGuysNLies focuses on providing in-depth data for rivers in Colorado, Wyoming, Montana, Utah, and New Mexico. It is not a national app stretched thin across all states.

How does FlyGuysNLies rate rivers?

The app uses a River Verdict system that rates each river as Good, Fair, or Poor. This rating is based on current flow, recent trends, and water temperature to help anglers decide if a trip is worthwhile.

Can I get alerts for hatches with FlyGuysNLies?

Yes, FlyGuysNLies offers Hatch Alerts that send a push notification the moment a river's hatch is on. This allows anglers to be present and use the correct fly at the optimal time.

Does FlyGuysNLies work offline?

Yes, the Reference Library within FlyGuysNLies, which includes fly patterns, aquatic insects, fish species, and knots, works offline. This ensures you have essential information even without cell service.

What kind of fishing conditions does FlyGuysNLies predict?

FlyGuysNLies provides a Fishing Forecast that rates each day with an Excellent, Good, Fair, or Poor rating. This forecast is built from flow, water temperature, conditions, and expected hatches.

How does FlyGuysNLies help with choosing flies?

The app offers Fly Recommendations that connect current river conditions to specific fly patterns that are working. These are grouped by type (dries, nymphs, emergers, streamers) and include photos, sizes, and seasons.

What is the update frequency for FlyGuysNLies?

The app was last updated on 2026-06-22, indicating regular updates to ensure data accuracy and feature improvements. The latest version is 1.11.0.

Is FlyGuysNLies suitable for beginners?

With features like River Verdicts, Fishing Forecasts, and Rig Recommendations, FlyGuysNLies can be very helpful for beginners. The detailed information and guidance can simplify decision-making for anglers of all skill levels.