Best Ring Sensor Apps

249+ iOS apps curated and reviewed

3.4 avg rating

19 free apps

Updated October 2026

If you already know Ring, this is the deeper bench. 249+ ring sensor apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.

Compare top Ring Sensor Apps (October 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Ring - Always Home	Free	4.7★ (1.9M)	No	No	Oct 2026
2	Ring Size Measurer	Free	—	No	No	May 2026
3	KEUCO Sensor	Free	—	No	No	May 2026
4	Camera Ring Sizer	Free	—	No	No	Oct 2026
5	Visionify for Ring	Free	—	No	No	May 2026
6	SetRing - Ring Sizer	Free	2.0★ (4)	Yes	No	May 2026
7	Ring Sizer - Your ring size!	Free	—	No	Yes	Aug 2026
8	Ring Sizer for Japan	Free	—	Yes	Yes	May 2026

Top Picks for Ring Sensor

#1

Ring - Always Home by Ring.com

Editor's Choice

4.7😐(1.9M ratings)

Free

#7in Lifestyle

Ring - Always Home screenshot 1

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Ring - Always Home screenshot 5

Monitor your home remotely with video doorbells, security cameras, and alarm systems. Receive instant alerts for visitors and motion, view live HD video, and communicate with guests. Smart lights and alarm systems offer further control and safety features.

What We Love

🚀 Excellent video quality
🔒 Helpful security features
👍 Easy to set up and use
🔋 Good battery life

Room to Improve

🐛 Frequent connectivity issues
🕰️ Slow live view response times
💰 Expensive subscription fees
📽️ Poor video quality at night

#2

Ring Size Measurer by Zorbey Torunoglu

Measure your ring size.

Strong Contender

0.0(0 ratings)

Free

Ring Size Measurer screenshot 1

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Ring Size Measurer screenshot 4

Ring Size Measurer screenshot 5

Ring Size Measurer screenshot 6

#3

KEUCO Sensor by KEUCO GmbH & Co. KG

Worth Considering

0.0(0 ratings)

Free

KEUCO Sensor screenshot 1

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KEUCO Sensor screenshot 3

KEUCO Sensor screenshot 4

More Ring Sensor apps to explore

Camera Ring Sizer

Camera Ring Sizer

Camera Ring Sizer

Get any ring size using camera

Visionify for Ring

Visionify for Ring

Visionify for Ring

SetRing - Ring Sizer

SetRing - Ring Sizer

SetRing - Ring Sizer

The Ultimate Ring Sizer App.

Easily measure your ring size accurately from home using your phone. Supports multiple international sizing standards and offers helpful tips for jewelry care. Perfect for online shopping or buying gifts.

Accurate and instant ring size measurementEasy-to-use interfaceMultiple international sizing standards

Ring Sizer - Your ring size!

Ring Sizer - Your ring size!

Ring Sizer - Your ring size!

Your size at your fingertip

Ring Sizer for Japan

Ring Sizer for Japan

Ring Sizer for Japan

Japanese ring sizes,1 to 30

Ring Sizer : Finger Size

Ring Sizer : Finger Size

Ring Sizer : Finger Size

Ring Size & Finger Measure

📊 Productivity

RingDot - Ring Sizer

RingDot - Ring Sizer

RingDot - Ring Sizer

Measure your ring size accurately by placing a ring on your screen and adjusting a dot to match its inner diameter. Get your size in seconds without needing a physical sizer.

Place ring on screenAdjust dot to fitFind size in seconds

Ring Sizer: Finger Measurement

Ring Sizer: Finger Measurement

Ring Sizer: Finger Measurement

Measure your finger ring size

Jewellery ring size finder

Easily determine your jewelry ring size with this accurate tool. It offers multiple measurement units, visual guides, and supports numerous international sizing systems. Share your findings effortlessly.

Metric and imperial unitsDiameter or circumference measurementVisual guides for precision

Ring Size Calcluator

Ring Size Calcluator

Ring Size Calcluator

by Nuox technologies

Easily determine your ring size at home. This utility app allows you to measure your finger using common household items like credit cards or coins. Get accurate measurements for your jewelry purchases.

Measure ring sizeUse debit/credit card for measurementUse coins for measurement

SizeMyRing: Ring Sizer

SizeMyRing: Ring Sizer

SizeMyRing: Ring Sizer

Measure finger size, converter

Ring Sizer & Size Measure

Ring Sizer & Size Measure

Ring Sizer & Size Measure

Measure Your Ring Size Fast

Your Smart Companion

Smart Ring Finder

Smart Ring Finder

Smart Ring Finder

Find your lost smart ring

Locate your lost smart ring using Bluetooth signal strength. This app provides a simple hot-and-cold meter with visual cues and haptic feedback to guide you to your device. It's designed for privacy and offline use, requiring no account or location tracking.

Bluetooth signal detectionHot-and-cold meterHaptic feedback

This app connects to sophisticated rings that display a loved one's real-time heartbeat. It's designed for couples, those seeking alternatives to traditional wedding bands, or individuals in high-risk professions to foster connection and reduce worry.

Pair HB RingsReal-time heartbeat displayConnect with loved ones

Sensor Labs: Physics Sensors

Sensor Labs: Physics Sensors

Sensor Labs: Physics Sensors

Real-Time Physics Sensors

FAQ about Ring Sensor

What are the best ring sensor apps for iPhone?

Ring - Always Home tops our ring sensor apps ranking as of October 2026, with a 4.7-star average from 1.9M App Store ratings, and it's free to download.

Are there free ring sensor apps for iPhone?

Yes — 19 of the top ring sensor apps we rank are free to download, including Ring - Always Home and Ring Size Measurer.

Does Ring - Always Home have ads or in-app purchases?

Ring - Always Home has no ads and has no in-app purchases, according to its App Store listing as of October 2026.

How many ring sensor apps are on the App Store?

We track 249+ ring sensor apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.