249+ iOS apps curated and reviewed
RBCX Calculation Tool is the household name in terumo bct, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (5) | No | No | May 2026 | |
| 2 |  | Free | 4.7★ (7.9K) | No | No | Oct 2026 | |
| 3 |  | Free | — | No | No | May 2026 | |
| 4 |  | Free | 4.7★ (494K) | No | No | Oct 2026 | |
| 5 |  | Free | 2.6★ (3.8K) | No | No | Oct 2026 | |
| 6 |  | Free | — | No | No | May 2026 | |
| 7 |  | Free | 4.4★ (16) | Yes | No | Jun 2026 | |
| 8 |  | Free | 4.4★ (23) | Yes | No | Oct 2026 |
This medical tool assists healthcare professionals in estimating the required replacement fluid volume for red blood cell exchange procedures on the Spectra Optia system. It calculates volumes based on patient and fluid data to achieve target Hct and FCR, and can suggest custom primes.
Easily manage your blood donation journey with this app. Book appointments, track your health, and receive important updates. Connect with a leading nonprofit blood provider to help save lives.
