# DrGoniometer vs Heidi

The clearest difference is review sentiment: Heidi at 49% against DrGoniometer's 0%. Heidi also leads on price (Free vs $11.99) and rating (4.7 vs 2.3). DrGoniometer's advantage is iOS requirement (13.0 vs 17.0). On ads and device support there is nothing between them.

Heidi is free to download; DrGoniometer costs $11.99 up front. DrGoniometer sells 1 one-off in-app purchase. Heidi asks for nothing beyond the download.

Heidi holds the better App Store score, 4.7 against 2.3. That said, the two scores are not equally well evidenced: Heidi has 2.6K 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 49% of Heidi's.

DrGoniometer ships an update every 5 months, Heidi every 4 days. The most recent releases landed on November 10, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | DrGoniometer | Heidi |
| --- | --- | --- |
| Price | $11.99 | **Free** |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/drgoniometer/id362356791/reviews) | **[4.7 (2.6K ratings)](https://appshunter.io/ios/app/heidi-ai-care-partner/id6504471106/reviews)** |
| Number of ratings | 3 | **2.6K** |
| Positive reviews | 0.0% of reviews | **49.4% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 days** |
| Monetization | Paid | **Free** |
| Size | 10 MB | 176 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [CDM S.r.L.](https://appshunter.io/developer/343076501) | [Heidi Health Trading Pty Ltd](https://appshunter.io/developer/1600820819) |

## 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 |


### Heidi

[App page](https://appshunter.io/ios/app/heidi-ai-care-partner/id6504471106)

This AI-powered medical assistant helps clinicians streamline their workflow by transcribing patient conversations into structured notes and providing quick access to evidence-based clinical information. It aims to reduce administrative burden, allowing healthcare professionals to focus more on patient care.

**Highlights:** AI-powered clinical note transcription, Real-time transcription with offline sync, Access to citation-backed clinical evidence, Region-aware search results, HIPAA, GDPR, PIPEDA, NHS, APP, ISO 27001 compliant, Supports over 200 specialties

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Must have for clinicians
- 👍 Efficient
- 👍 Best of it all
- 👍 Great help for the doctors
- 👍 Amazing time saver

**What reviewers complain about**

- 🐛 Not saving memos, app keeps changing
- 🐛 App keeps crashing
- 🐛 App desperately needs an update
- 🐛 Hard to recommend
- 🐛 The Update is Terrible

**Reported bugs**

- Not saving all the information
- App crashing every time I attempt to start a new note
- Slow to load, often crashes or fails to record a session
- Crashes very frequently, doesn't record unless you have the physical app open and doesn't save recordings
- The pre-recording button and the recording button are almost identical

**Requested features**

- Apple Watch version to record and transcribe audio
- Remember last used email address or have a default email
- Ability to change the plan
- Watch integration


## Frequently asked questions

### Is DrGoniometer free?

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

### Is Heidi free?

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

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

Heidi is rated higher. DrGoniometer averages 2.3 out of 5 from 3 ratings, while Heidi averages 4.7 from 2.6K ratings.

### Do DrGoniometer or Heidi have ads?

Neither DrGoniometer nor Heidi shows ads.

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

DrGoniometer ships an update every 5 months, and Heidi every 4 days. Most recently, DrGoniometer was updated on November 10, 2026 and Heidi on November 8, 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.*