AcidBase Calc vs ABG Lab
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AcidBase Calc
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Computes patient pH based on PCO2 and Bicarbonate levels.
ABG Lab
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ABG Lab is a professional blood gas analysis app for clinicians, students, and ICU teams. FOUR MODULES: • ABG Interpreter — Enter pH, PaCO₂, HCO₃ for instant acid-base classification, compensation assessment (Winters', acute/chronic), and mixed disorder detection. • Anion Gap — Calculate AG with albumin correction and delta ratio for mixed disorder identification. • Lactate — Grade lactate levels (normal / hyperlactatemia / lactic acidosis) with shock classification using SBP. • Oxygenation — P/F ratio (Berlin ARDS criteria) and A-a gradient with age-adjusted normal range. KEY FEATURES: • Evidence-based formulas (Marino's ICU Book, Berlin 2012, Levy 2014) • Color-coded severity indicators • Unit switching: mmol/L ↔ mg/dL for lactate • 9 UI languages • Fully offline DISCLAIMER: For educational and reference use only. Not a substitute for clinical judgment.
Screenshots
Verdict
The clearest difference is price: AcidBase Calc at Free against ABG Lab's $0.99. AcidBase Calc also leads on iOS requirement (9.1 vs 17.0). On ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
AcidBase Calc is free to download; ABG Lab costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | AcidBase Calc | ABG Lab |
|---|---|---|
| Price | Free — better | $0.99 |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 4 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Henry Ford Health System | 长贵 周 |
In-app purchases
AcidBase Calc
No in-app purchases
ABG Lab
No in-app purchases









