# DrGoniometer vs Eko

The clearest difference is review sentiment: Eko at 52% against DrGoniometer's 0%. Eko also leads on price (Free vs $11.99) and rating (4.9 vs 2.3). DrGoniometer's advantage is iOS requirement (13.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

Eko is free to download; DrGoniometer costs $11.99 up front. DrGoniometer sells 1 one-off in-app purchase and Eko sells 3 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

Eko holds the better App Store score, 4.9 against 2.3. That said, the two scores are not equally well evidenced: Eko has 11K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of DrGoniometer's written reviews are positive against 52% of Eko's.

DrGoniometer ships an update every 5 months, Eko fortnightly. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | DrGoniometer | Eko |
| --- | --- | --- |
| Price | $11.99 | **Free** |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/drgoniometer/id362356791/reviews) | **[4.9 (11K ratings)](https://appshunter.io/ios/app/eko-digital-stethoscope-plus-ecg/id1026457544/reviews)** |
| Number of ratings | 3 | **11K** |
| Positive reviews | 0.0% of reviews | **51.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | — | **#5** |
| Size | 10 MB | 151 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [CDM S.r.L.](https://appshunter.io/developer/343076501) | [Eko Health, Inc.](https://appshunter.io/developer/505874291) |

## What reviewers say

### DrGoniometer

[App page](https://appshunter.io/ios/app/drgoniometer/id362356791)

This medical tool allows healthcare professionals to accurately measure and store patient joint articulation angles using iPhone photography. It offers scientifically validated measurements comparable to professional tools and includes features for data management and export.

**Highlights:** Measure patient articulation angles, Store patient records and historical data, Photograph articulations with marker identification, Scientifically validated measurement accuracy, Export data to Excel via iTunes File Sharing, Browse and print patient records, Backup and restore data

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DrGoniometer - PC access | $11.99 | one-time |


### Eko

[App page](https://appshunter.io/ios/app/eko-digital-stethoscope-plus-ecg/id1026457544)

**Currently charting:** #5 Top Grossing · Medical, #189 Top Free · Medical (US App Store)

This app enhances physical exams by recording and analyzing heart and lung sounds. It helps detect potential heart and lung conditions, allowing for secure storage and sharing of recordings and reports. Features like murmur and AFib flagging are available with compatible devices and memberships.

**Highlights:** Record heart and lung sounds wirelessly, Flag murmurs, AFib, tachycardia, bradycardia, Save, play back, and annotate recordings, Build patient profiles for condition tracking, Generate and share PDF reports, Securely store exam recordings

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Eko+ Monthly Membership | $12.99 | per month |
| Eko+ Annual Membership | $119.99 | per year |
| Eko+ Annual Membership | $119.99 | per year |

**What reviewers like**

- 🚀 Clear sound amplification
- 🚀 Useful for noisy environments
- 👍 Convenient Bluetooth connectivity
- 👍 Helpful for hearing-impaired providers
- 👍 Valuable for cardiac/respiratory assessment

**What reviewers complain about**

- 🐛 Bluetooth connectivity issues
- 🔋 High battery consumption
- 👎 Subscription model for key features
- 👎 Reduced functionality after app updates
- 👎 Poor audio playback quality

**Reported bugs**

- Inconsistent heart rate detection
- Inability to save/playback recordings
- Frequent error messages during use

**Requested features**

- Apple Watch app integration
- Independent volume control for heart/lung modes
- Ability to save/share recordings without subscription
- Improved background noise cancellation


## Frequently asked questions

### Is DrGoniometer free?

DrGoniometer costs $11.99, and also offers in-app purchases.

### Is Eko free?

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

### Which has better reviews, DrGoniometer or Eko?

Eko is rated higher. DrGoniometer averages 2.3 out of 5 from 3 ratings, while Eko averages 4.9 from 11K ratings.

### Do DrGoniometer or Eko have ads?

Neither DrGoniometer nor Eko shows ads.

### Which is updated more often, DrGoniometer or Eko?

DrGoniometer ships an update every 5 months, and Eko fortnightly. Most recently, DrGoniometer was updated on October 26, 2026 and Eko on October 27, 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.*