Best Fish Ruler Size Measure Catch Apps

244+ iOS apps curated and reviewed

4.0 avg rating

19 free apps

Updated November 2026

From beginner-friendly picks to power-user tools, our fish ruler size measure catch list covers 244+ iPhone apps updated through November 2026. Compare ratings, prices, and screenshots in one place.

Compare top Fish Ruler Size Measure Catch Apps (November 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Fish Ruler Size Measure Catch	$3.99	—	No	No	Nov 2026
2	Weigh In: Fish Length Tracker	Free	2.5★ (8)	No	No	Oct 2026
3	CatchVault: Fish Log & Measure	Free	4.6★ (12)	No	Yes	Nov 2026
4	Ruler ++	Free	3.5★ (954)	No	Yes	Nov 2026
5	Ruler & Tape Measure – AR Tool	Free	—	Yes	Yes	Oct 2026
6	Ruler: Measure CM, MM & Inches	Free	5.0★ (2)	Yes	Yes	Nov 2026
7	Fish Measure Pro	Free	5.0★ (5)	No	No	Oct 2026
8	Life-Size Ruler	Free	3.3★ (7)	No	No	Nov 2026

Top Picks for Fish Ruler Size Measure Catch

#1

Fish Ruler Size Measure Catch by Netflowers Inc.

AR Tape for Bass Trout Pike

Editor's Choice

0.0(0 ratings)

$3.99

Fish Ruler Size Measure Catch screenshot 1

Fish Ruler Size Measure Catch screenshot 2

Fish Ruler Size Measure Catch screenshot 3

Fish Ruler Size Measure Catch screenshot 4

Fish Ruler Size Measure Catch screenshot 5

Fish Ruler Size Measure Catch screenshot 6

#2

Weigh In: Fish Length Tracker by Thomas Brunkow

Capture Length, Track Catches

Strong Contender

2.5(8 ratings)

Free

Weigh In: Fish Length Tracker screenshot 1

Weigh In: Fish Length Tracker screenshot 2

Weigh In: Fish Length Tracker screenshot 3

Weigh In: Fish Length Tracker screenshot 4

Easily measure fish using your phone's camera for an estimated weight calculation. Capture your trophy catches and fishing moments with this tool.

#3

CatchVault: Fish Log & Measure by Catch Vault Co

Fish ID, Measure & Catch Log

Worth Considering

4.6(12 ratings)

FreeIn-App Purchases

CatchVault: Fish Log & Measure screenshot 1

CatchVault: Fish Log & Measure screenshot 2

CatchVault: Fish Log & Measure screenshot 3

CatchVault: Fish Log & Measure screenshot 4

CatchVault: Fish Log & Measure screenshot 5

CatchVault: Fish Log & Measure screenshot 6

Easily log your fishing catches using your iPhone. This app uses AI to identify fish species from a photo and LiDAR to accurately measure their length, eliminating the need for manual tools.

More Fish Ruler Size Measure Catch apps to explore

Measure lengths

This app allows you to measure lengths accurately in both inches and centimeters. It provides a simple and straightforward tool for quick measurements.

Measure in inchesMeasure in centimetersAccurate length measurement

📊 Productivity

free with in-app purchases

Ruler & Tape Measure – AR Tool

Ruler & Tape Measure – AR Tool

Ruler & Tape Measure – AR Tool

Length, Width, Height & Angle

Ruler: Measure CM, MM & Inches

Ruler: Measure CM, MM & Inches

Ruler: Measure CM, MM & Inches

Actual Size, Auto-Calibrated

This app provides a highly accurate, actual-size ruler that adapts to any screen. It offers dual-edge measurement, a precision caliper mode, and universal calibration for reliable real-world measurements. It functions offline and is designed for various devices.

Actual-size accuracy on any screenDual-edge metric and imperial scalesPrecision caliper mode for thickness

free with in-app purchases

Fish Measure Pro

Fish Measure Pro

Fish Measure Pro

Measure & Identify Fish

Instantly measure and identify fish from photos using AI. Get accurate length, girth, estimated weight, and species recognition for both freshwater and saltwater catches. Automatically saves your catch history for easy tracking.

AI-powered fish measurementInstant species identificationAccurate length and girth calculation

Life-Size Ruler

Life-Size Ruler

Life-Size Ruler

Smartphone as a Ruler

Transform your smartphone into a precise measuring tool. This utility app allows you to measure lengths and distances directly on your screen. It's a convenient digital ruler for everyday tasks.

Smartphone as a rulerMeasure lengthsDigital measuring tool

Includes Camera (AR) Ruler

Measure objects and distances with an on-screen ruler and augmented reality. Supports inches and centimeters, with features for linear sizes, angles, area, volume, and more. Save your measurements for later use.

On-screen ruler for small objectsAugmented Reality (AR) measuringMeasure linear sizes in cm/inches

Snap. Scan. Know Your Catch.

Instantly estimate the length, girth, and weight of your fish by taking a photo. The app can also identify the species, eliminating the need for manual measurements or rulers. Save your catches to build a personal log of your fishing success.

Estimate fish lengthEstimate fish girthEstimate fish weight

Caudal: Measure Fish by Photo

Caudal: Measure Fish by Photo

Caudal: Measure Fish by Photo

Length, weight, no tape needed

AR app for Weighing Fish

This augmented reality application measures and weighs fish using your device's camera. Simply place your catch on a surface, select the fish type, and the app will estimate its length and approximate weight. It also records a photo of your catch with the measurements displayed.

AR measurement gridFish type selectionApproximate weight and length calculation

Catchr: Fish Identifier

Catchr: Fish Identifier

Catchr: Fish Identifier

Identify fish & log catches

Instantly identify fish species, weight, and length by snapping a photo. Log your catches with detailed notes, track personal bests, and compete on leaderboards. Build a digital collection of your fishing memories.

Fast fish identification from photosDetailed catch logging (weight, length, bait, notes)Personal bests and catch statistics

Ruler / Measuring Tape

Ruler / Measuring Tape

Ruler / Measuring Tape

Measure on screen, AR & paper

Measure objects using your device's screen, augmented reality, or by printing a ruler. Offers three distinct methods for on-demand measurement without physical tools.

Measure against screenAugmented reality measurementPrintable ruler via AirPrint

Ruler, Measuring Tape - AR App

Ruler, Measuring Tape - AR App

Ruler, Measuring Tape - AR App

Length Measure Calculator Tool

This app turns your device into a versatile ruler and tape measure using advanced AR technology. It offers precise measurements for objects, rooms, and complex shapes, along with unit conversion and a history log. Ideal for professionals and everyday users needing accurate measurements.

AR ruler and tape measureLength and distance measurementUnit converter (mm, inches, cm)

free with in-app purchases

Ruler - Scale Ruler

Ruler - Scale Ruler

Ruler - Scale Ruler

Various scales can be set!

This app displays various measurement scales for length, including meters and inches. It allows users to set magnification ratios and reduced scales for different applications. Users can calibrate the ruler and adjust PPI settings for accurate measurements.

Display various measurement scalesSet magnification ratiosSet reduced scales

📊 Productivity

free with in-app purchases

Ruler - CM, MM, Inches

Ruler - CM, MM, Inches

Ruler - CM, MM, Inches

CM, MM, In. Measure Anything.

Measure lengths, widths, and diagonals accurately using your phone. Switch between metric and imperial units, and utilize flexible starting points for precise measurements in any direction. Features auto-calibration for minimal error and a screen lock to preserve readings.

Multi-mode measurement (CM, MM, Inches, Fractions)Flexible starting pointsFull-direction measurement (horizontal, vertical, diagonal)

free with in-app purchases

We Reinvented Measuring Fish

This app uses AI to measure fish length, girth, and estimated weight, identify species, and create a digital journal. It helps reduce fish handling time for healthier releases and supports conservation efforts by allowing anonymous data sharing with fisheries science organizations.

AI fish measurement (length, girth, weight)Automatic species identificationPrivate digital catch journal

A classic ruler

Transform your smartphone into a portable measuring tool. Accurately measure lengths in both inches and centimeters directly from your device.

Converts phone to rulerMeasures in inchesMeasures in centimeters

FAQ about Fish Ruler Size Measure Catch

Are there free fish ruler size measure catch apps for iPhone?

Yes — 19 of the top fish ruler size measure catch apps we rank are free to download, including Weigh In: Fish Length Tracker and CatchVault: Fish Log & Measure.

Does Fish Ruler Size Measure Catch have ads or in-app purchases?

Fish Ruler Size Measure Catch has no ads and has no in-app purchases, according to its App Store listing as of November 2026.

How many fish ruler size measure catch apps are on the App Store?

We track 244+ fish ruler size measure catch apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.