# arrhythmia vs Handtevy Mobile

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.

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.

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.

arrhythmia ships an update every 3 weeks, Handtevy Mobile every 8 days. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | arrhythmia | Handtevy Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (113 ratings)](https://appshunter.io/ios/app/arrhythmia/id996560473/reviews) | **[4.9 (668 ratings)](https://appshunter.io/ios/app/handtevy-mobile/id1038174793/reviews)** |
| Number of ratings | 113 | **668** |
| Positive reviews | 43.9% of reviews | **94.6% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | Subscription | **Free** |
| Size | 159 MB | 396 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Single Sail Software, LLC](https://appshunter.io/developer/359715495) | [Pediatric Emergency Standards Inc.](https://appshunter.io/developer/1351341513) |

## What reviewers say

### arrhythmia

[App page](https://appshunter.io/ios/app/arrhythmia/id996560473)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $19.99 | per year |
| Unlock All Rhythms (One-time Purchase) | $4.99 | one-time |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- App no longer works after iOS update
- App does not work on Apple Watch

**Requested features**

- 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


### Handtevy Mobile

[App page](https://appshunter.io/ios/app/handtevy-mobile/id1038174793)

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

**In-app purchases:** none

**What reviewers like**

- 👍 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

**What reviewers complain about**

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

**Reported bugs**

- Crashes after 5 seconds on Mac OS X Sonoma
- Login screen freezes

**Requested features**

- Allow users to input their own concentrations
- Dark mode option


## Frequently asked 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 29, 2026 and Handtevy Mobile on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*