Comparison

Prime PD vs TRMR AI

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Prime PD

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
Read full description

Prime PD is the largest, on-demand library of fitness classes for neurological disorders, such as Parkinson's disease, Multiple Sclerosis, and more. Access hundreds of recorded workouts taught by coaches who specialize in specific neurological disorders. Each class is evidence-backed and designed to alleviate the symptoms of your disease. Watch classes from the comfort and privacy of your home, on your own schedule. Features: • Disease-targeted classes: Tailored to your specific needs and condition, whether you have Parkinson's or MS. • Variety of exercise types: Strength training, cardio, balance, flexibility, and more - all led by expert neuro instructors. • New classes weekly: We upload new classes every week from new coaches, keeping classes fresh and keeping you challenged. • On-demand access: Exercise anytime, anywhere with our library of video workouts. Prime PD helps you: • Improve your symptoms: Reduce tremors, stiffness, fatigue, and other symptoms. • Increase mobility and independence: Perform daily activities with greater ease. • Boost your energy levels and mood: Feel stronger and more confident. • Reduce your risk of falls and injuries: Improve your balance and stay independent for longer Download Prime PD today for instant access to hundreds of disease-targeted workout classes.

About

TRMR AI

Features
Read full description

TRMR AI helps keep on-screen content steadier when your hands shake. One on-device motion engine powers four stabilizer surfaces so reading, navigating, browsing, and email feel calmer and more usable. FREE FOREVER • PDF Stabilizer — Open local PDFs with tremor-compensated viewing, search, and optional on-device OCR for scanned documents. INCLUDED WITH TRMR PREMIUM • Maps Stabilizer — Navigate with a steadier map and next-turn guidance. • Web Stabilizer — Browse with tremor compensation across the address bar and page. • Email Stabilizer — Read webmail (Gmail, Outlook, Yahoo, iCloud) with a steadier screen. 7-DAY FREE TRIAL Maps, Web, and Email Stabilizers are unlocked for 7 days from first install. After the trial, continue with TRMR Premium for $0.99/month, or keep using PDF Stabilizer for free. HOW IT WORKS • Open a stabilizer surface and turn on Stabilize. • Adjust strength in Settings or the on-screen stabilization panel. • Motion processing happens on your device for display compensation. PRIVACY-FIRST • No TRMR AI account required. • No ads and no third-party advertising trackers. • PDFs stay on your device. • Location (Maps) and motion data are used on-device for app features. IMPORTANT TRMR AI is an assistive display tool. It is not a medical device and does not diagnose, treat, cure, or prevent any disease. Subscription details: TRMR Premium is an auto-renewable monthly subscription. Payment is charged to your Apple ID account. Subscription renews automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel in your App Store account settings. Restore Purchases is available in the app. Privacy Policy: https://www.jenesistechnologies.com/privacypolicy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Support: info@jenesistechnologies.com

Screenshots

Prime PD3 screens
TRMR AI4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 6 level
Prime PD versus TRMR AI: the parameters behind the verdict, then further details
ParameterPrime PDTRMR AI
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 2 weeks — betterEvery 6 weeks
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPod, Apple TV — betteriPhone, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size35 MB2 MB
Age rating4+17+
DeveloperCabin Health Inc.Jenesis Technologies Inc.

In-app purchases

None

Prime PD

No in-app purchases

1 purchases

TRMR AI

Subscriptions1
  • TRMR AI Premium$0.991 Month

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.

Other comparisons