250+ iOS apps curated and reviewed
Looking for free customizable calculator apps? 19 of our 250+ 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 | — | Yes | No | May 2026 | |
| 2 |  | Free | 4.5★ (147K) | Yes | Yes | Nov 2026 | |
| 3 |  | Free | 4.7★ (61K) | No | No | Nov 2026 | |
| 4 |  | Free | 4.4★ (4.2K) | Yes | No | Nov 2026 | |
| 5 |  | Free | 4.7★ (916) | Yes | No | Oct 2026 | |
| 6 |  | Free | 3.0★ (1) | No | No | May 2026 | |
| 7 |  | Free | — | No | Yes | May 2026 | |
| 8 |  | Free | — | No | No | Aug 2026 |
This utility app offers a straightforward calculation experience with a vast selection of over 80 customizable themes. Personalize your calculator's appearance to suit your style while performing everyday math tasks.
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.
