# arrhythmia vs ACLS Exam Prep 2026

The clearest difference is review sentiment: ACLS Exam Prep 2026 at 100% against arrhythmia's 44%. ACLS Exam Prep 2026 also leads on rating (4.8 vs 4.1) and monetization model (free with in-app purchases vs subscription). arrhythmia's advantage is update cadence (every 3 weeks vs every 13 months) and ratings volume (113 vs 28). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. arrhythmia sells 3 in-app purchases, starting at $2.99 per month and ACLS Exam Prep 2026 sells 8 in-app purchases, starting at $8.49 per 3 months. Whichever you choose, the download price is not the number that matters.

ACLS Exam Prep 2026 holds the better App Store score, 4.8 against 4.1. Both are backed by a comparable volume of ratings — 113 and 28 respectively. Written reviews point the same way: 44% of arrhythmia's written reviews are positive against 100% of ACLS Exam Prep 2026's.

arrhythmia ships an update every 3 weeks, ACLS Exam Prep 2026 every 13 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | arrhythmia | ACLS Exam Prep 2026 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (113 ratings)](https://appshunter.io/ios/app/arrhythmia/id996560473/reviews) | **[4.8 (28 ratings)](https://appshunter.io/ios/app/acls-exam-prep-2026/id1573430309/reviews)** |
| Number of ratings | **113** | 28 |
| Positive reviews | 43.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 13 months |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 159 MB | 39 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Single Sail Software, LLC](https://appshunter.io/developer/359715495) | [Get Exam](https://appshunter.io/developer/1529117519) |

## 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


### ACLS Exam Prep 2026

[App page](https://appshunter.io/ios/app/acls-exam-prep-2026/id1573430309)

Prepare for your Advanced Cardiovascular Life Support (ACLS) exam with over 530 practice questions and 300 flashcards. Master clinical algorithms for critical emergencies and access over a dozen practice exams. Updated for the latest 2026 guidelines, this app offers realistic simulations to help you pass on your first try.

**Highlights:** 530+ exam-like questions, 300+ flashcards, 12+ practice exams, Master clinical algorithms, Updated to 2026 guidelines, Offline study available

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 - Months Premium | $8.49 | per 3 months |
| 1 Month Special Offer | $8.49 | per month |
| 1 - Month Premium | $8.99 | per month |
| 1 - Week Access | $8.99 | per 7 days |
| 3 - Months Premium | $16.99 | per 3 months |
| 1 Month Access | $16.99 | per month |
| 12 - Months Premium | $39.99 | per year |
| 3 Months Premium | $39.99 | per 3 months |


## Frequently asked questions

### Is arrhythmia free?

arrhythmia is free to download, with in-app purchases available.

### Is ACLS Exam Prep 2026 free?

ACLS Exam Prep 2026 is free to download, with in-app purchases available.

### Which has better reviews, arrhythmia or ACLS Exam Prep 2026?

ACLS Exam Prep 2026 is rated higher. arrhythmia averages 4.1 out of 5 from 113 ratings, while ACLS Exam Prep 2026 averages 4.8 from 28 ratings.

### Do arrhythmia or ACLS Exam Prep 2026 have ads?

Neither arrhythmia nor ACLS Exam Prep 2026 shows ads.

### Which is updated more often, arrhythmia or ACLS Exam Prep 2026?

arrhythmia ships an update every 3 weeks, and ACLS Exam Prep 2026 every 13 months. Most recently, arrhythmia was updated on November 1, 2026 and ACLS Exam Prep 2026 on November 3, 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.*