# iPacemaker Device vs myMerlin™

The clearest difference is rating: iPacemaker Device at 4.7 against myMerlin™'s 2.7. iPacemaker Device also leads on update cadence (every 4 days vs every 12 months) and chart position (#51 vs unranked). myMerlin™'s advantage is in-app purchases (none vs 7) and iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. iPacemaker Device sells 7 in-app purchases, starting at $9.99 per month. myMerlin™ asks for nothing beyond the download.

iPacemaker Device holds the better App Store score, 4.7 against 2.7. That said, the two scores are not equally well evidenced: iPacemaker Device has 365 ratings behind it against 71, so its average is the more settled of the two. Written reviews point the same way: 28% of iPacemaker Device's written reviews are positive against 17% of myMerlin™'s.

iPacemaker Device ships an update every 4 days, myMerlin™ every 12 months. The most recent releases landed on October 19, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | iPacemaker Device | myMerlin™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (365 ratings)](https://appshunter.io/ios/app/ipacemaker-device/id1126088055/reviews)** | [2.7 (71 ratings)](https://appshunter.io/ios/app/mymerlin/id1210169978/reviews) |
| Number of ratings | **365** | 71 |
| Positive reviews | **27.9% of reviews** | 17.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 12 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#51** | — |
| Size | 218 MB | 53 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [IPACEMAKER S.R.L.](https://appshunter.io/developer/1780219062) | [Abbott](https://appshunter.io/developer/402314324) |

## What reviewers say

### iPacemaker Device

[App page](https://appshunter.io/ios/app/ipacemaker-device/id1126088055)

**Currently charting:** #51 Top Grossing · Medical (US App Store)

Access a vast database of implantable cardiac devices, including pacemakers and defibrillators. Get detailed technical specifications, connector information, advisories, and MRI compatibility checks. Compare devices and explore algorithms to aid in selection and management.

**Highlights:** Extensive device database, Detailed technical datasheets, Connector and tool information, Advisories and safety warnings, Multibrand MRI compatibility evaluation, Algorithm descriptions, Side-by-side device comparison

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month subscription REGULAR | $9.99 | per month |
| 3 Months Subscription | $49.99 | per 3 months |
| 12 months subscription REGULAR | $49.99 | per year |
| 6 Months Subscription | $59.99 | per 6 months |
| 12 Months Subscription | $99.99 | per year |
| 12 months subscription PREMIUM | $109.99 | per year |
| 12 months subscription PREMIUM | $109.99 | per year |

**What reviewers like**

- 👍 Great resource for cardiac rhythm devices
- 👍 App is useful for professionals
- 👍 Some users find it helpful
- 👍 Support team helped some users

**What reviewers complain about**

- 💸 Prohibitively expensive
- 💸 Price increase is steep
- 💸 So expensive for no reason
- 💸 Creator got greedy
- 💸 Subscription fees are ridiculous

**Reported bugs**

- App keeps refreshing, cannot open
- App cannot be opened
- App enters interface and stops, cannot open
- App has not worked for years
- App hasn't worked for days

**Requested features**

- More equitable evaluation of company representation
- Fix app hanging/slow opening
- Update for newer devices
- Grandfather in lifetime members
- Refund original charge for lifetime members


### myMerlin™

[App page](https://appshunter.io/ios/app/mymerlin/id1210169978)

This application securely transmits heart rhythm data from an insertable cardiac monitor to your doctor. It allows you to log symptoms, review past transmissions, and stay connected with your healthcare provider for better heart rhythm monitoring.

**Highlights:** Continuous heart rhythm monitoring, Automatic event recording, Symptomatic event logging, View past and upcoming transmissions, Secure data transmission to doctor, Remote monitoring setting updates (device dependent)

**In-app purchases:** none


## Frequently asked questions

### Is iPacemaker Device free?

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

### Is myMerlin™ free?

myMerlin™ is free to download, with no in-app purchases.

### Which has better reviews, iPacemaker Device or myMerlin™?

iPacemaker Device is rated higher. iPacemaker Device averages 4.7 out of 5 from 365 ratings, while myMerlin™ averages 2.7 from 71 ratings.

### Do iPacemaker Device or myMerlin™ have ads?

Neither iPacemaker Device nor myMerlin™ shows ads.

### Which is updated more often, iPacemaker Device or myMerlin™?

iPacemaker Device ships an update every 4 days, and myMerlin™ every 12 months. Most recently, iPacemaker Device was updated on October 19, 2026 and myMerlin™ on October 15, 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.*