249+ iOS apps curated and reviewed
Out of 249+ pepcal apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | Yes | Oct 2026 | |
| 2 |  | $2.99 | 4.3★ (36) | No | No | Oct 2026 | |
| 3 |  | Free | 4.6★ (5) | Yes | No | Oct 2026 | |
| 4 |  | Free | — | No | No | Oct 2026 | |
| 5 |  | Free | 5.0★ (1) | No | No | Oct 2026 | |
| 6 |  | Free | — | No | Yes | May 2026 | |
| 7 |  | Free | — | No | Yes | Oct 2026 | |
| 8 |  | Free | — | No | Yes | Oct 2026 |
This ad-free tool assists scientists and researchers with peptide reconstitution and mixing. It provides guidelines for calculating water requirements and exploring mixing ratios for peptide sequences. The app features an intuitive interface, dark mode, and the ability to save favorite calculations.
This app provides a comprehensive platform for HVAC/R technicians and students to access educational resources. It features training videos, calculators, online courses with certificates, articles, and podcast episodes, all in one convenient location.
