245+ iOS apps curated and reviewed
ABG Pro DDx is the household name in abg pro ddx, but it's far from the only option. We track 245+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | — | — | No | May 2026 | |
| 2 |  | $1.99 | 4.8★ (4) | No | No | May 2026 | |
| 3 |  | Free | 4.8★ (9) | No | No | May 2026 | |
| 4 |  | Free | 3.0★ (2) | No | No | May 2026 | |
| 5 |  | Free | 4.0★ (1) | Yes | No | Aug 2026 | |
| 6 |  | $2.99 | 4.0★ (48) | No | No | Aug 2026 | |
| 7 |  | Free | 5.0★ (1) | No | No | Aug 2026 | |
| 8 |  | Free | 4.9★ (71) | No | Yes | Sep 2026 |
This medical app assists nurses, doctors, and students in interpreting arterial blood gases and osmolar gaps. It offers calculations for A-a gradient, anion gap, and more, along with differential diagnoses for acid-base disorders. The tool allows for custom normal ranges and corrects the anion gap for albumin.
This medical tool provides accurate and flexible acid-base analysis for healthcare professionals. It offers detailed explanations, customizable ranges, and advanced features like anion gap correction and A-a gradient adjustments for various patient conditions and locations.
