Best 魚定規 alternatives: apps like 魚定規

9+ similar apps compared and reviewed

3.5 avg rating
8 free apps
Updated November 2026

Whether you want more options like 魚定規 or a completely different take on the same concept, our curated list of 9+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to 魚定規

Mosquitone Detector#2

Mosquitone Detector by TOON,LLC

Find the mosquito noise!
Strong Contender
🔧 Utilities
2.1(13 ratings)
$7.99
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This sound measurement app detects high-frequency and ultrasonic noises that are inaudible to humans. It helps identify potentially harmful noise sources, especially those used to deter pests or young people. The app offers modes to detect and pinpoint the direction of these sounds.

Room Screen: Clock & Weather#3

Room Screen: Clock & Weather by enoiu

Smart Display, Simple Clock
Worth Considering
🔧 Utilities
4.5(35 ratings)
FreeAdsIn-App Purchases
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Transform your device into a smart desk clock with a customizable display. Show time, weather forecasts, calendar events, and personal photos. Features include a digital photo frame mode, whiteboard, and sleep mode for a minimalist display.

More apps like 魚定規

4
Stopwatch & Countdown
Stopwatch & Countdown
Stopwatch & Countdown
using large-sized numbers
Free

This utility app provides a large-display stopwatch and a versatile countdown timer. Its simple interface allows for easy operation, making it suitable for various activities like sports and timed games. Customize colors and display elements for a personalized experience.

Large-display stopwatchCountdown timer functionCustomizable colors
🔧 Utilities
(7)
free with in-app purchases
5
半角カナ入力
半角カナ入力
半角カナ入力
by GREENSTUDIO
Free
🔧 Utilities
(1)
6
QUAPIX Lite
QUAPIX Lite
QUAPIX Lite
by 岩崎電気
Free

This tool helps you easily assess the brightness of your current environment. It utilizes advanced photometric and image processing technology to evaluate luminance and illuminance, providing color-analyzed images and comparative judgments against recommended levels.

Analyze images to create luminance mapsCompare current brightness to recommended levelsView latest information from Iwasaki Electric
🔧 Utilities
(0)
free with in-app purchases
7
Screen Mirroring to iPhone
Screen Mirroring to iPhone
Screen Mirroring to iPhone
Direct connection of devices
Free

Share your iPhone or iPad screen directly with other Apple devices using peer-to-peer Wi-Fi. No internet or router needed for connections up to 20 feet, supporting up to 5 simultaneous receivers.

Direct device-to-device screen sharingNo Wi-Fi router or internet requiredSupports up to 5 simultaneous mirrors
🔧 Utilities
(4)
free with in-app purchases
8
Morse Code - Learn
Morse Code - Learn
Morse Code - Learn
Easy Fun Morse Code
Free

Learn Morse code through interactive chat conversations. Practice using light, sound, or touch for faster memorization. Create and share MP4 video messages with Morse code translations.

Chat-based learningLearn via light, sound, or touchLive translation
🔧 Utilities
(1)
free with in-app purchases
9
Photo Manager App Pro
Photo Manager App Pro
Photo Manager App Pro
delete duplicates & free space
Free

Recover accidentally deleted photos from your device's recently deleted folder and free up storage by removing duplicate, blurry, or unneeded images and videos. Organize your media with smart sorting and secure private albums.

Recover recently deleted photosDelete duplicate and similar photosRemove blurry or low-quality images
🔧 Utilities
(9)
free with in-app purchases