Easily calculate the volume and liquid levels for a wide variety of tank shapes. Supports multiple units and offers offline functionality for convenient use in industries or for personal projects.



247+ iOS apps curated and reviewed
The best caymus tank calculator apps on iPhone average 4.2★ across 247+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | — | No | No | May 2026 | ||
| 2 | Free | 1.0★ (1) | No | No | Aug 2026 | ||
| 3 | Free | 4.7★ (61K) | No | No | Oct 2026 | ||
| 4 | Free | 4.9★ (409K) | Yes | No | Oct 2026 | ||
| 5 | Free | 4.6★ (36K) | Yes | Yes | Oct 2026 | ||
| 6 | Free | 4.5★ (126K) | Yes | Yes | Oct 2026 | ||
| 7 | Free | 4.2★ (1.4K) | No | No | Oct 2026 | ||
| 8 | Free | — | No | Yes | May 2026 |









Easily calculate the volume and liquid levels for a wide variety of tank shapes. Supports multiple units and offers offline functionality for convenient use in industries or for personal projects.




This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.