CastLab vs The Riffle
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CastLab
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Get personalized video analysis from expert casting instructors. Upload your cast, receive detailed feedback, and take your skills to the next level. That big trip you've been saving for? Your guide isn't going to teach you to double haul. Get your casting dialed before you go, so when the shot comes, you're ready. Are you new to fly fishing? No problem. CastLab's instructors have experience teaching at all levels, from absolute beginners to experienced anglers looking to expand their skills. Share your goals with an instructor over chat and make a plan even before you record your first video. HOW IT WORKS: * Record your casting using your phone's camera * Select skills you want feedback on (roll cast, double haul, spey, etc.) * Choose an instructor or submit to the general queue * Receive expert feedback within 24-72 hours FEATURES: * Video recording with easy-to-use interface * Browse instructors by credentials, specialty, and availability * Track your sessions and feedback history * Instructional content library featuring FFI techniques FOR INSTRUCTORS: Experience casting instructors can join CastLab to reach students worldwide. You can set your own rates and offers, manage your availability, and provide detailed, timestamped video analysis all from the app.
The Riffle
This app analyzes river conditions for 16 Northeast trout waters, providing live USGS flow and weather data. It offers fly recommendations, a hatch calendar, and a logbook for your catches. Plan trips with multi-day forecasts and find local fly shops.
- Live river flow and weather data
- Date-aware hatch calendar
- Clear fly recommendations
- Multi-day trip planning outlook
- Catch logbook with notes
- Local fly-shop directory
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The Riffle reads the river for you. Pick any of 16 Northeast trout waters — from the Farmington and Housatonic to the Battenkill, Beaverkill, and the Delaware — and The Riffle pulls live USGS flow and National Weather Service conditions, then tells you what to tie on right now. • Live flow and weather, with flow shown against the seasonal normal for that river • A date-aware hatch calendar — what's actually emerging this week, tuned per river • Clear fly recommendations with sizes and how to rig them • Spotted a hatch? Tell the app and it matches your flies to what you're seeing • Plan a trip: a multi-day outlook from forecast and climatology • A logbook for your catches, flies, and notes — synced across devices with a free account • Favorite up to three rivers and get a nudge when a hatch peaks or conditions turn right • Local fly-shop directory and stocking notes for every water The Riffle is honest about its limits: the hatch list is a regional calendar, not a live bug cam, and conditions come straight from public USGS and NWS feeds. It's a companion for your own judgment on the water — not a replacement for it.
Screenshots
Verdict
The clearest difference is in-app purchases: The Riffle at none against CastLab's 5. The Riffle also leads on ads (none vs shown). On price, 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
Both are free to download. CastLab sells 5 one-off in-app purchases. The Riffle asks for nothing beyond the download.
| Parameter | CastLab | The Riffle |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | — | Every 11 days |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 140 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | CastLab | AKSHAY VASANT PATEL |
In-app purchases
CastLab
- Premium Course$9.99
- Premium Course$19.99
- Premium Course$29.99
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- Premium Course$49.99
- Premium Course$79.99
The Riffle
No in-app purchases





