Comparison

arrhythmia vs Handtevy Mobile

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

Head to head
About

arrhythmia

Practice interpreting EKGs in lead II with realistic simulations. Choose rhythms to study or test your knowledge in a game mode. Ideal for healthcare professionals to hone their diagnostic skills.

Highlights
  • EKG interpretation practice
  • Lead II simulation
  • Study Mode with rhythm selection
  • Game Mode for random rhythm identification
  • Customizable rhythm sets
  • Realistic rhythm variations
Read full description

Practice reading EKGs in lead II Basic EKG interpretation is more accurately described as an intermediate level skill that takes time, practice and refreshing. Whether you are a doctor, nurse, EMT or tech your ability to read and pickup on basic EKG changes in real time is essential. Practice with an app that actually looks like what you see at work. Use the app’s ‘Study Mode’ to choose one or multiple rhythms to view and compare. A brief description of each rhythm is provided, you can also pause and restart rhythms. Delete and add specific rhythms as desired. Rates, amplitudes and widths of the rhythms are dynamically set which provides for a more realistic simulation and variation within each type of rhythm. Use the app’s ‘Game Mode’ to challenge yourself to identify rhythms presented randomly in lead II. If desired, you can also custom specify which rhythms to include in the game. Access to Study Mode and Game Mode requires a subscription via in-app purchase. Please Read: The purpose of this app is not to teach basic EKG interpretation but rather to practice basic EKG interpretation. If you don’t know basic EKG interpretation seek out additional resources such as classes, books, online materials and mentors to learn more and further your understanding. Note: The cardiac rhythms presented by the app are simulated approximations. There is NO guarantee to the accuracy of rhythms presented. While accuracy is not guaranteed it is a goal. Please report errors, suggestions or general feedback to: feedback@arrhythmiaApp.com. Arrhythmia uses the standard Apple Terms of Use End User License Agreement (EULA): http://www.apple.com/legal/itunes/appstore/dev/stdeula

About

Handtevy Mobile

This app provides healthcare professionals with rapid, precise medication dosing and equipment information for emergency care. It supports protocol management, real-time documentation, and includes features like CPR timers and checklists to enhance patient outcomes.

Highlights
  • Rapid medication dosing
  • Equipment information
  • Protocol management
  • Real-time documentation
  • CPR timers
  • Checklists
  • CPR Assist
Read full description

Handtevy Mobile brings precision dosing, real-time protocols or algorithms, and connected documentation to more than 200,000 clinicians across EMS, hospitals, air medical, and military installations. The Right Answer. Every Patient. Every Time. Every weight-based calculation is checked against clinical thresholds and confirmed with barcode verification using ScanSafe™. Updates in Minutes, Not Months. Administrators manage their formulary, protocols or algorithms, and checklists from one Admin Portal, with every change versioned instantly. Built for High-Performance Teams. CPR Assist® guides resuscitation with organization-specific timers and audio-visual cues, while built-in dashboards and analytics show dosing accuracy, compliance, and performance trends. Documentation That Flows With You. Interventions captured in Handtevy flow seamlessly into your ePCR, so clinicians only document once. Not Just Software. A Clinical Partner. A physician-led team of pharmacists, nurses, and paramedics supports your organization beyond launch, with certified courses and competency tracking. Download Handtevy Mobile and bring standardized, evidence-based care to every patient, every time.

Screenshots

arrhythmia4 screens
Handtevy Mobile4 screens

Verdict

The call

The clearest difference is review sentiment: Handtevy Mobile at 95% against arrhythmia's 44%. Handtevy Mobile also leads on rating (4.9 vs 4.1) and in-app purchases (none vs 3). On price, ads, device support and iOS requirement 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. arrhythmia sells 3 in-app purchases, starting at $2.99 per month. Handtevy Mobile asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Handtevy Mobile holds the better App Store score, 4.9 against 4.1. That said, the two scores are not equally well evidenced: Handtevy Mobile has 668 ratings behind it against 113, so its average is the more settled of the two. Written reviews point the same way: 44% of arrhythmia's written reviews are positive against 95% of Handtevy Mobile's.

UpkeepUpdate frequency

arrhythmia ships an update every 3 weeks, Handtevy Mobile every 8 days. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 4 level
arrhythmia versus Handtevy Mobile: the parameters behind the verdict, then further details
ParameterarrhythmiaHandtevy Mobile
PriceFreeFree
Rating4.1 (113 ratings)4.9 (668 ratings) — better
Positive reviews43.9% of reviews94.6% of reviews — better
Number of ratings113668 — better
Update frequencyEvery 3 weeksEvery 8 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS17.616.0 — better
Further details — not scored
Size159 MB396 MB
Age rating17+17+
DeveloperSingle Sail Software, LLCPediatric Emergency Standards Inc.

Customer experience

arrhythmia

All ratings111 ratings
Positive80.2%
Neutral4.5%
Negative15.3%
Written reviews41 reviews
Positive43.9%
Neutral7.3%
Negative48.8%

Handtevy Mobile

All ratings667 ratings
Positive97.8%
Neutral1.2%
Negative1.0%
Written reviews93 reviews
Positive94.6%
Neutral1.1%
Negative4.3%

User reviews

arrhythmia

From 113 App Store ratings

What we love

  • 👍 Great study tool for EKGs
  • 👍 Helpful for understanding EKGs
  • 👍 Good for practicing rhythm recognition
  • 👍 Interactive and colorful design
  • 👍 Dynamic testing

Room to improve

  • 👎 Immediately asks for paid version
  • 👎 Missing common and important rhythms
  • 👎 Rhythms are unrealistic
  • 👎 Cannot try before signing up
  • 👎 Clunky and slow horizontal scrolling

Handtevy Mobile

From 668 App Store ratings

What we love

  • 👍 Easy to operate and understand
  • 🚀 Seamless use and flawless performance
  • 🚀 Greatly enhances patient care and safety
  • 🚀 Eliminates the stress and anxiety of pediatric emergencies
  • 🚀 Promotes confidence when providing pediatric emergency care

Room to improve

  • 🐛 Crashes after 5 seconds on Mac OS X Sonoma
  • 🔒 Requires payment for full access

Bugs and requests

arrhythmia

Reported bugs

2 issues
  • App no longer works after iOS update
  • App does not work on Apple Watch

Requested features

11 requests
  • Add more common and important rhythms (torsades, WPW, STEMI, accelerated/tachycardic idioventricular, WAP, MAT)
  • Option to read as a 12-lead instead of a single rhythm line
  • Add variations to rhythms
  • Add Left Bundle Branch Block
  • Add a 12-lead option
Show 6 more
  • Add more examples for each rhythm
  • Add a list view option for rhythms
  • Add an explanation/rationale for correct/incorrect answers
  • Add an animation showing what is happening in the heart when an answer is wrong
  • Add tutorial or information on how to use the app
  • Add 'Non-Conducted' PACs and similar rhythms

Handtevy Mobile

Reported bugs

2 issues
  • Crashes after 5 seconds on Mac OS X Sonoma
  • Login screen freezes

Requested features

2 requests
  • Allow users to input their own concentrations
  • Dark mode option

In-app purchases

3 purchases

arrhythmia

Subscriptions2
  • Monthly7 Days trial$2.991 Month
  • Yearly7 Days trial$19.991 Year
One-time1
  • Unlock All Rhythms (One-time Purchase)$4.99
None

Handtevy Mobile

No in-app purchases

Questions

Is arrhythmia free?
arrhythmia is free to download, with in-app purchases available.
Is Handtevy Mobile free?
Handtevy Mobile is free to download, with no in-app purchases.
Which has better reviews, arrhythmia or Handtevy Mobile?
Handtevy Mobile is rated higher. arrhythmia averages 4.1 out of 5 from 113 ratings, while Handtevy Mobile averages 4.9 from 668 ratings.
Do arrhythmia or Handtevy Mobile have ads?
Neither arrhythmia nor Handtevy Mobile shows ads.
Which is updated more often, arrhythmia or Handtevy Mobile?
arrhythmia ships an update every 3 weeks, and Handtevy Mobile every 8 days. Most recently, arrhythmia was updated on October 21, 2026 and Handtevy Mobile on October 24, 2026.

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