# 3D Spasticity vs TRMR

The clearest difference is rating: TRMR at 5.0 against 3D Spasticity's 4.1. TRMR also leads on update cadence (every 11 days vs every 6 months). 3D Spasticity's advantage is ratings volume (12 vs 1) and device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TRMR holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: 3D Spasticity has 12 ratings behind it against 1, so its average is the more settled of the two.

3D Spasticity ships an update every 6 months, TRMR every 11 days. The most recent releases landed on October 21, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 3D Spasticity | TRMR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (12 ratings)](https://appshunter.io/ios/app/3d-spasticity/id1450310483/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/trmr-a-tremor-guide/id6806304093/reviews)** |
| Number of ratings | **12** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 11 days** |
| Monetization | Free | Free |
| Size | 523 MB | 13 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [Allergan, Inc.](https://appshunter.io/developer/420911057) | [Who's In Labs, LLC](https://appshunter.io/developer/6790572912) |

## What reviewers say

### 3D Spasticity

[App page](https://appshunter.io/ios/app/3d-spasticity/id1450310483)

Explore adult spasticity anatomy in 3D using augmented reality. Scan workbook images to rotate postures, visualize muscles, and fine-tune limb positioning for detailed anatomical understanding. This app is intended for medical professionals.

**Highlights:** Augmented reality anatomy visualization, 360° posture rotation, Muscle depth visualization, Limb positioning fine-tuning, Functional anatomy details, Clinical considerations

**Features:** macOS Compatibility

**In-app purchases:** none


### TRMR

[App page](https://appshunter.io/ios/app/trmr-a-tremor-guide/id6806304093)

This app provides clear explanations of various tremor conditions, their treatments, and the path to specialist care. It helps users prepare for doctor's appointments and find movement disorder specialists near them. It is an educational resource, not a medical device.

**Highlights:** Explains tremor conditions plainly, Details treatment options, Guides path to specialist care, Helps prepare for doctor visits, Connects with local specialists, Privacy-focused data storage

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

**In-app purchases:** none


## Frequently asked questions

### Is 3D Spasticity free?

3D Spasticity is free to download, with no in-app purchases.

### Is TRMR free?

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

### Which has better reviews, 3D Spasticity or TRMR?

TRMR is rated higher. 3D Spasticity averages 4.1 out of 5 from 12 ratings, while TRMR averages 5.0 from 1 ratings.

### Do 3D Spasticity or TRMR have ads?

Neither 3D Spasticity nor TRMR shows ads.

### Which is updated more often, 3D Spasticity or TRMR?

3D Spasticity ships an update every 6 months, and TRMR every 11 days. Most recently, 3D Spasticity was updated on October 21, 2026 and TRMR on October 29, 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.*