223+ iOS apps curated and reviewed
Looking for free units converter for engineers apps? 19 of our 223+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 3.0★ (2) | No | Yes | May 2026 | |
| 2 |  | Free | 4.1★ (51) | Yes | Yes | Oct 2026 | |
| 3 |  | Free | 4.8★ (110) | Yes | Yes | Oct 2026 | |
| 4 |  | Free | 3.9★ (56) | No | Yes | Oct 2026 | |
| 5 |  | Free | 5.0★ (3) | No | Yes | May 2026 | |
| 6 |  | Free | 4.3★ (86) | No | Yes | Oct 2026 | |
| 7 |  | Free | 4.3★ (220) | No | No | Nov 2026 | |
| 8 |  | Free | 4.6★ (16K) | No | Yes | Nov 2026 |
This tool allows professionals and students to convert units and currencies using dimensional analysis. It supports a vast number of unit combinations and includes physical constants. Currency rates are updated monthly.
Easily convert between hundreds of units across 43 categories, including currency with daily updated rates. Customize your workflow by hiding or reordering units and categories.
Easily convert between US customary units and the International System of Units for various measurements like length, weight, area, volume, and temperature. Access conversion history and remove ads with a premium upgrade.
