Comparison

MSD E vs Preop360

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MSD E

Features
Read full description

MSD E-logbook is an e-log book application designed to exclusively use in BMA General Hospital (Klang Hospital) in Thailand. The students can easily record their patients and activities with its simple-to-use interface and enhance their self reflection with many supporting features. The responsible students must be aware that any information involving patients is confidential. The application is still in developing process.

About

Preop360

This app provides evidence-based support for clinicians evaluating adult patients for noncardiac surgery. It incorporates patient comorbidities and medications with interactive calculators to assess perioperative risk. Direct links to references and explanations aid in decision-making and learning.

Highlights
  • Evidence-based preoperative assessment
  • Interactive risk calculators (RCRI, DASI)
  • Incorporates comorbidities and medications
  • Links to key references and explanations
  • Streamlines patient preparation
  • Standardizes assessments
Features
Read full description

Preoperative assessment made simple. Developed by experienced perioperative clinicians, based on ACC/AHA guidelines and the latest best practices. PreOp360 offers fast, interactive, and evidence-based support to help clinicians evaluate and prepare adult patients for noncardiac surgery. Grounded in the 2024 ACC/AHA Perioperative Guidelines and enriched with updated insights from current literature, Preop 360 streamlines the complexities of preoperative risk assessment and workup. The app intelligently incorporates patient co-morbidities, current medications, and a suite of interactive calculators — including RCRI, DASI, and others — to help you assess perioperative risk with confidence. Preop 360 also provides direct links to key references and concise clinical explanations to support on-the-spot decision-making and reinforce learning. Preop 360 was designed by physicians for physicians, blending clinical expertise with intuitive digital tools to bring guideline-based pre-op evaluation right to your fingertips. Whether you’re a hospitalist, anesthesiologist, surgeon, or advanced practice provider, Preop 360 helps you standardize assessments, improve documentation, and optimize patient care.

Screenshots

MSD E4 screens
Preop3604 screens

Verdict

The call

The clearest difference is in-app purchases: MSD E at none against Preop360's 1. MSD E also leads on update cadence (every 5 weeks vs every 5 months) and iOS requirement (11.0 vs 15.1). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Preop360 sells 1 in-app purchase, starting at $4.99 per month. MSD E asks for nothing beyond the download.

UpkeepUpdate frequency

MSD E ships an update every 5 weeks, Preop360 every 5 months. The most recent releases landed on September 18, 2026 and July 5, 2026 respectively.

Scorecard3 real differences · 7 level
MSD E versus Preop360: the parameters behind the verdict, then further details
ParameterMSD EPreop360
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 5 weeks — betterEvery 5 months
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS11.0 — better15.1
Further details — not scored
Size45 MB40 MB
Age rating17+12+
DeveloperDeverhood HT Co.,Ltd.CARE DECISIONS LLC

In-app purchases

None

MSD E

No in-app purchases

1 purchases

Preop360

Subscriptions1
  • Basic Plan$4.991 Month

Questions

Is MSD E free?
MSD E is free to download, with no in-app purchases.
Is Preop360 free?
Preop360 is free to download, with in-app purchases available.
Do MSD E or Preop360 have ads?
Neither MSD E nor Preop360 shows ads.
Which is updated more often, MSD E or Preop360?
MSD E ships an update every 5 weeks, and Preop360 every 5 months. Most recently, MSD E was updated on September 18, 2026 and Preop360 on July 5, 2026.

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