37+ iOS apps curated and reviewed
With an average user rating of 4.1★, the wellue o2 ring category is one of the App Store's strongest. Browse all 37+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 3.1★ (1.2K) | No | Yes | Sep 2026 | |
| 2 |  | Free | 3.8★ (5) | No | No | May 2026 | |
| 3 |  | Free | 5.0★ (2) | No | Yes | Sep 2026 | |
| 4 |  | Free | — | Yes | Yes | Jul 2026 | |
| 5 |  | $1.99 | 2.0★ (1) | No | No | Jul 2026 | |
| 6 |  | Free | 4.9★ (14) | No | No | Sep 2026 | |
| 7 |  | Free | — | No | Yes | Jul 2026 | |
| 8 |  | Free | — | No | No | May 2026 |
This app syncs with Viatom devices to display historical health data. It offers real-time monitoring, report sharing, and multi-user management for easy health tracking and goal achievement.
This app helps users calculate O-Ring dimensions and find compatible materials for their applications. It provides recommendations based on ISO standards and supports both metric and inch measurements.
Easily measure rings and jewelry with precision using your phone. Features include real-time finger sizing, global size support, and measurement history. Perfect for enthusiasts and professionals alike.
