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★★★★★
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Where this app stands in Hungary, updated 17 Oct 2026
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Catch Log Your measurements no longer vanish when you close the app. Every catch you measure can now be saved with a photo, species, length, swim and date, building up a running log of your season. Personal bests are tracked automatically per species, and the app lets you know when a catch beats your record. Best-ever catches stand out in the log; the rest stay quietly in the background. Turn any catch card into a shareable image with one tap. For a few species and waters, FishRuler can also show a reference note if a catch falls outside the usual size limit — for information only, not a substitute for checking the current byelaws.
You've landed it. Now how long is it — and will you remember by next season? Wet hands, a fish that won't stay still on the mat, a tape that curls up the moment you let go — measuring a fish is never as simple as it sounds, and the clock is running while you fumble with it. FishRuler turns your iPhone into the measuring tool you always have on you. Point the camera at your catch, tap the nose, tap the tail, and the length appears on screen in centimetres. Save it to your log with one tap and it is never lost again. HOW IT WORKS - Tap two points, nose and tail, and read the distance between them - Tapped slightly off? Drag either marker to fine-tune it without starting again - A line is drawn between the two points so you can see exactly what was measured - Save the catch with a photo, species, swim and date, or hit Reset and move on YOUR CATCH LOG - Every saved catch lives in a scrollable log: photo, species, length, swim and date, all on one card - FishRuler tracks your personal best per species automatically. Beat your record and the app tells you straight away - Best-ever catches stand out in the log so your top fish are always easy to find - Turn any catch card into a single image, ready to share WHY ANGLERS GET ON WITH IT - Nothing to unroll, nothing to hold flat, nothing to lose in the margin - Quick enough to measure and get the fish back in the water - Works completely offline, so it is fine on a remote stretch of river with no signal - No account, no sign-up. Your log stays on your device - Just as handy off the bank: measure rods, bivvies, cool boxes or anything else in front of you Coarse anglers, carp and pike sessions, match days on the bank, or a bit of sea fishing off the pier — if it lies flat in front of the camera, you can measure it. BEFORE YOU BUY - DEVICE REQUIREMENT FishRuler measures using the LiDAR scanner, so it needs an iPhone that has one: iPhone 12 Pro / Pro Max or a later Pro model. On a device without a LiDAR scanner the app will tell you it cannot measure. It also requires iOS 17 or later, so please check both your model and iOS version before purchasing. ABOUT ACCURACY Readings are real-world estimates produced by the device's depth sensor. Good light, a steady hand and a fish lying flat give the best results. Treat the number as a practical bankside measurement. For match rules, size limits or official record claims, always confirm with the measuring device those rules require. ABOUT THE SIZE REFERENCE NOTE For a small number of species, FishRuler can show a reference note if a catch falls outside the usual size limit under current national byelaws. This is for your information only. It is not a full or authoritative list of regulations and does not replace checking the current rules before you keep a fish. One purchase. No subscription, no adverts.