# iPacemaker Device vs myMerlinPulse™

The clearest difference is rating: iPacemaker Device at 4.7 against myMerlinPulse™'s 3.7. iPacemaker Device also leads on update cadence (every 6 days vs every 20 months) and chart position (#45 vs unranked). myMerlinPulse™'s advantage is in-app purchases (none vs 7) and iOS requirement (15.0 vs 17.6). On price, review sentiment, 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. myMerlinPulse™ asks for nothing beyond the download.

iPacemaker Device holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: iPacemaker Device has 364 ratings behind it against 57, 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 24% of myMerlinPulse™'s.

iPacemaker Device ships an update every 6 days, myMerlinPulse™ every 20 months. The most recent releases landed on September 22, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | iPacemaker Device | myMerlinPulse™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (364 ratings)](https://appshunter.io/ios/app/ipacemaker-device/id1126088055/reviews)** | [3.7 (57 ratings)](https://appshunter.io/ios/app/mymerlinpulse/id1491399428/reviews) |
| Number of ratings | **364** | 57 |
| Positive reviews | **27.9% of reviews** | 23.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 20 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#45** | — |
| Size | 216 MB | 140 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) | [St. Jude Medical, Inc.](https://appshunter.io/developer/591520737) |

## What reviewers say

### iPacemaker Device

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

**Currently charting:** #45 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


### myMerlinPulse™

[App page](https://appshunter.io/ios/app/mymerlinpulse/id1491399428)

This app enables remote monitoring of your Abbott Bluetooth-enabled heart device for your healthcare provider. It securely transfers heart rhythm information and provides device status updates. Receive notifications for significant changes in your implanted device's performance.

**Highlights:** Remote monitoring of ICD/CRT-D devices, Bluetooth® wireless data transfer, Check device connection status, View transmission history, Cardiac device battery status, Manual transmission capability, Performance change notifications

**In-app purchases:** none


## Frequently asked questions

### Is iPacemaker Device free?

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

### Is myMerlinPulse™ free?

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

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

iPacemaker Device is rated higher. iPacemaker Device averages 4.7 out of 5 from 364 ratings, while myMerlinPulse™ averages 3.7 from 57 ratings.

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

Neither iPacemaker Device nor myMerlinPulse™ shows ads.

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

iPacemaker Device ships an update every 6 days, and myMerlinPulse™ every 20 months. Most recently, iPacemaker Device was updated on September 22, 2026 and myMerlinPulse™ on September 25, 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.*