250+ iOS apps curated and reviewed
The best tubing stretch calculator apps on iPhone average 3.5★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.0★ (1) | No | No | Aug 2026 | |
| 2 |  | $4.99 | — | No | No | Aug 2026 | |
| 3 |  | Free | — | No | No | May 2026 | |
| 4 |  | Free | — | No | No | May 2026 | |
| 5 |  | Free | — | Yes | Yes | May 2026 | |
| 6 |  | $0.99 | 4.0★ (1) | No | No | Sep 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | Free | 4.0★ (3) | No | No | Aug 2026 |
This utility app helps oil field professionals calculate the required tubing stretch for a desired tension. Simply input tension, depth, and tubing size to get accurate results. Supports both metric and standard units.
