Comparison

MHApp vs Periop Pacemaker

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

Head to head
About

MHApp

This app simulates malignant hyperthermia crises, guiding users through acute management and recording actions. It also provides educational information on MH and related topics, developed by international experts.

Highlights
  • Simulates MH crises
  • Guides acute management
  • Records actions and doses
  • Exports log files
  • Clinical grading score (CGS)
  • Educational MH information
Features
Read full description

Finally it’s back! The much appreciated MHApp is finally back in the AppStore. Rewritten from ground up in Swift. A modern user interface. And the best is: it is free of charge! Please note: MHApp is not a substitute for medical advice. MHApp is intended for educational purposes only. The purpose of this app is to use it to train and teach yourself in management of malignant hyperthermia. It might serve as a valuable tool in simulated MH scenarios. Do you know what to do in case of a malignant hyperthermia crisis? Are you sure somebody will take a detailed protocol during your actions? MHApp does both for you: MHApp is like an interactive MH-emercency poster. Simulating an MH crisis and teaching the acute management will certainly be of great value in case of a real crisis. MHApp will guide you through a simulated malignant hyperthermia (MH) crisis. The App includes treatment of acidosis, hyperkalemia and dosing of dantrolene or ryanodex Every action and injected dantrolene doses are recorded in a log file, which can be exported. The clinical grading score (CGS) estimates the probability of an MH episode. The result can be exported as PDF. A section with information about MH, anesthesia for the known MH patients, preparation of anesthesia workstations, MH-mutations and more. This app was developed by international experts in Malignant Hyperthermia: Dr. Henry Rosenberg (President of MHAUS) Prof. Thierry Girard (director of the Swiss MH unit) MHApp is endorsed by the North American MH Group (www.mhaus.org), as well as by the European MH Group (www.emhg.org). Programmed by Thierry Girard, Girard Development GmbH DISCLAIMER: The application MHApp is not a substitute for medical advice. MHApp is intended for educational purposes only. While the data may be updated periodically, users should independently check medical literature and package inserts or other sources for the latest information. Any and all liability arising directly or indirectly from the use of this application is hereby disclaimed. The information herein is provided "as is" and without any warranty expressed or implied. All direct, indirect, special, incidental, consequential or punitive damages arising from any use of this application or data contained herein is disclaimed and excluded.

About

Periop Pacemaker

This app provides medical professionals with a decision algorithm for managing surgical patients with implantable defibrillators or pacemakers. It is based on guidelines endorsed by the Heart Rhythm Society and updated annually by an expert committee.

Highlights
  • Decision algorithm for pacemaker/defibrillator management
  • Endorsed by Heart Rhythm Society
  • Based on ASA Perioperative Cardiac Implantable Electronic Device Management Aid
  • Annual expert committee updates
  • Designed for medical professionals
Features
Read full description

Periop Pacemaker is a smartphone app that assists medical professionals who take care of surgical patients that have implantable defibrillators or pacemakers. The decision algorithm is endorsed by the Heart Rhythm Society and is based on the American Society of Anesthesiologists Perioperative Cardiac Implantable Electronic Device Management Aid. As device technology evolves, an expert committee of anesthesiologists, cardiologists, and device representatives will meet annually to keep information up-to-date. Disclaimer: ASA Pacemaker is designed for use by medical professionals only. Accessing the app content requires either a one-time payment of $7.99 USD or an annual subscription payment of $2.99 USD. A 30-day free trial is available under the annual subscription plan.

Screenshots

MHApp4 screens
Periop Pacemaker4 screens

Verdict

The call

The clearest difference is rating: Periop Pacemaker at 5.0 against MHApp's 4.1. Periop Pacemaker also leads on review sentiment (100% vs 67%). MHApp's advantage is in-app purchases (none vs 2). On price, ratings volume, update cadence and ads 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. Periop Pacemaker sells 2 in-app purchases, starting at $2.99 per year. MHApp asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Periop Pacemaker holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 9 and 8 respectively. Written reviews point the same way: 67% of MHApp's written reviews are positive against 100% of Periop Pacemaker's.

UpkeepUpdate frequency

MHApp ships an update every 3 weeks, Periop Pacemaker every 2 months. The most recent releases landed on September 19, 2026 and September 9, 2026 respectively.

Scorecard4 real differences · 6 level
MHApp versus Periop Pacemaker: the parameters behind the verdict, then further details
ParameterMHAppPeriop Pacemaker
PriceFreeFree
Rating4.1 (9 ratings)5.0 (8 ratings) — better
Positive reviews66.7% of reviews100.0% of reviews — better
Number of ratings9 — better8
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.013.0
Further details — not scored
Size4 MB43 MB
Age rating12+17+
DeveloperGirard Development GmbHRhythm Management, LLC

Customer experience

MHApp

All ratings9 ratings
Positive66.7%
Neutral11.1%
Negative22.2%
Written reviews12 reviews
Positive66.7%
Neutral16.7%
Negative16.7%

Periop Pacemaker

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

MHApp

No in-app purchases

2 purchases

Periop Pacemaker

Subscriptions1
  • PERIOP PACEMAKER ANNUAL FEE1 Month trial$2.991 Year
One-time1
  • Periop Pacemaker$7.99

Questions

Is MHApp free?
MHApp is free to download, with no in-app purchases.
Is Periop Pacemaker free?
Periop Pacemaker is free to download, with in-app purchases available.
Which has better reviews, MHApp or Periop Pacemaker?
Periop Pacemaker is rated higher. MHApp averages 4.1 out of 5 from 9 ratings, while Periop Pacemaker averages 5.0 from 8 ratings.
Do MHApp or Periop Pacemaker have ads?
Neither MHApp nor Periop Pacemaker shows ads.
Which is updated more often, MHApp or Periop Pacemaker?
MHApp ships an update every 3 weeks, and Periop Pacemaker every 2 months. Most recently, MHApp was updated on September 19, 2026 and Periop Pacemaker on September 9, 2026.

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