250+ iOS apps curated and reviewed
If you already know Ring, this is the deeper bench. 250+ ring sensor apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (1.8M) | No | No | Aug 2026 |
| 2 |  | Free | — | No | No | May 2026 |
| 3 |  | Free | 4.5★ (6.7K) | Yes | Yes | Aug 2026 |
| 4 |  | Free | — | No | No | Jul 2026 |
| 5 |  | Free | — | No | No | Aug 2026 |
| 6 |  | Free | — | No | No | Aug 2026 |
| 7 |  | Free | 1.7★ (3) | No | No | Jul 2026 |
| 8 |  | Free | 2.1★ (211) | Yes | No | May 2026 |
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.
Easily determine your ring size across multiple countries using metric or imperial units. Features visual guides and supports various international sizing standards. Share your size and explore a jewelry catalog.
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.
This application connects to smart rings to display and analyze your daily exercise and sleep data. It helps you understand your health status by providing visual insights into your activity levels and sleep patterns.
Easily determine your ring size from the comfort of your home. This app eliminates the need for physical charts or store visits, providing quick and accurate sizing in minutes.
Track your steps, sleep, and heart rate with this app designed for smart rings. It offers various sports modes with optional positioning and allows users to share historical data with others. The app also synchronizes data with Apple Health.
Easily determine your precise ring size with this user-friendly tool. Avoid guesswork and ensure a perfect fit for your next ring purchase, whether for yourself or a gift. It simplifies the sizing process for accurate results.
Accurately measure your finger size or compare existing rings to find the perfect fit. This tool simplifies ring sizing for confident online purchases and jewelry selection.
Measure ambient light levels in Lux using your iPhone's camera. Optimize sleep quality by understanding light exposure throughout the day and night.
This app enhances budget smart rings with advanced health tracking features, offering sleep analysis, heart rate monitoring, and activity tracking. It provides Oura-quality insights without the premium price tag, supporting a variety of compatible rings and integrating with health platforms.
This app acts as a personalized wellness companion, syncing with a smart ring to provide insights into sleep, activity, and heart rate. It offers tailored recommendations to help users optimize their health and fitness goals through an intuitive interface.
This app helps you find the perfect ring size with an innovative tap-to-measure feature and visual guides. It supports popular measurement systems like US and EU standards, making it ideal for both professionals and personal use.
Track your daily activity, including steps, calories, and distance, with intelligent motion timelines. Analyze your sleep patterns, including deep and light sleep duration, and receive a sleep score. Record your movement routes with GPS and sync data with Apple Health for a comprehensive health overview.
