Perioperative risk vs ABG Lab
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Perioperative risk
This medical app assists physicians with cardiovascular risk assessment and prevention in patients undergoing non-cardiac surgery. It estimates complication risks and offers evidence-based tips to mitigate them through a visual flowchart.
- Cardiovascular risk estimation
- Complication prevention tips
- Pipeline flowchart guidance
- Evidence-based recommendations
- Bedside clinical tool
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This application is an important tool at the bedside to the physician involved with risk assessment and prevention of cardiovascular complications in patients undergoing non-cardiac surgery. Prepared by a group of cardiologists with extensive experience in the field and based on scientific evidence, the application has two advantages: in addition to estimating the risk of complications, provides tips to reduce risk through a pipeline flowchart.
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 in-app purchases: ABG Lab at none against Perioperative risk's 1. ABG Lab also leads on price ($0.99 vs $4.99). Perioperative risk's advantage is iOS requirement (15.6 vs 17.0). On ads 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
Perioperative risk costs $4.99 and ABG Lab $0.99 up front. Perioperative risk sells 1 one-off in-app purchase. ABG Lab asks for nothing beyond the download.
| Parameter | Perioperative risk | ABG Lab |
|---|---|---|
| Price | $4.99 | $0.99 — better |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 9 MB | 2 MB |
| Age rating | +17 | 4+ |
| Developer | Bruno Caramelli | 长贵 周 |
In-app purchases
Perioperative risk
- Perioperative Risk - Patient Record$2.99
ABG Lab
No in-app purchases









