244+ iOS apps curated and reviewed
The best c-calc pro apps on iPhone average 4.2★ across 244+ 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 | 2.5★ (51) | No | No | Aug 2026 | |
| 2 |  | $13.99 | 2.5★ (11) | No | No | Sep 2026 | |
| 3 |  | $13.99 | 4.5★ (6) | No | No | Aug 2026 | |
| 4 |  | $7.99 | 4.7★ (358) | No | No | Aug 2026 | |
| 5 |  | Free | 4.6★ (4.7K) | Yes | Yes | Sep 2026 | |
| 6 |  | Free was $5.99 | 4.8★ (2.4K) | No | Yes | Sep 2026 | |
| 7 |  | Free | — | Yes | No | Sep 2026 | |
| 8 |  | Free | 5.0★ (1) | No | No | May 2026 |
This calculator app is designed for construction professionals, offering specialized functions for measurements in feet, inches, and fractional inches. It includes modules for material estimates, conversions, area and volume calculations, trigonometry, and stair design, transforming your device into a construction computer.
This comprehensive calculator app is designed for construction professionals, offering specialized tools for measurements in feet, inches, and fractional inches. It includes modules for material estimates, conversions, area and volume calculations, trigonometry, and stair design, transforming your device into a powerful construction computer.
This powerful calculator app is designed specifically for construction professionals, enabling calculations in feet, inches, and fractional inches. It offers specialized modules for material estimates, conversions, area and volume calculations, trigonometry, and stair design, transforming your device into a comprehensive construction computer.
