# Prime PD vs TRMR AI

The clearest difference is in-app purchases: Prime PD at none against TRMR AI's 1. Prime PD also leads on update cadence (every 2 weeks vs every 6 weeks). TRMR AI's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. TRMR AI sells 1 in-app purchase, starting at $0.99 per month. Prime PD asks for nothing beyond the download.

Prime PD ships an update every 2 weeks, TRMR AI every 6 weeks. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Prime PD | TRMR AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/prime-pd/id1622995589/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Ad-supported | — |
| Size | 35 MB | 2 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPod, Apple TV** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Cabin Health Inc.](https://appshunter.io/developer/1622995591) | [Jenesis Technologies Inc.](https://appshunter.io/developer/6775646924) |

## What reviewers say

### Prime PD

[App page](https://appshunter.io/ios/app/prime-pd/id1622995589)

Access a large library of on-demand fitness classes specifically designed for neurological disorders like Parkinson's and MS. These evidence-backed workouts are led by expert instructors to help alleviate symptoms, improve mobility, and boost mood from the comfort of your home.

**Highlights:** Disease-targeted fitness classes, Expert neuro instructors, Variety of exercise types, New classes uploaded weekly, On-demand access, Symptom alleviation

**Features:** macOS Compatibility

**In-app purchases:** none


### TRMR AI

[App page](https://appshunter.io/ios/app/trmr-ai/id6775646922)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TRMR AI Premium | $0.99 | per month |


## Frequently asked questions

### Is Prime PD free?

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

### Is TRMR AI free?

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

### Do Prime PD or TRMR AI have ads?

Prime PD shows ads; TRMR AI does not.

### Which is updated more often, Prime PD or TRMR AI?

Prime PD ships an update every 2 weeks, and TRMR AI every 6 weeks. Most recently, Prime PD was updated on November 3, 2026 and TRMR AI on October 28, 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.*