Comparison

Back Rx vs TZ NYC

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

Head to head
About

Back Rx

This app offers a clinically proven program for back pain relief, combining guided physiotherapy routines with emotional support. It helps users improve mobility, reduce pain, and understand their condition through educational insights and a peer community.

Highlights
  • Guided video physiotherapy routines
  • Progress tracking (pain, movement, wellbeing)
  • Educational insights on back health
  • Supportive peer community
  • Mind-body approach to healing
Features
Read full description

Back Rx®: Clinically Proven Relief. Emotionally Validated Support. Back Rx® is more than an app—it’s your personal path to lasting back pain relief. Created by a chronic pain sufferer, healthcare researcher, and computer scientist, Back RX blends medical expertise with lived experience to help you heal physically and emotionally. Our program is based on the clinically validated Back Rx regimen developed by Dr. Vijay Vad, sports medicine specialist at the Hospital for Special Surgery (HSS) in New York. Proven through multiple clinical trials, this safe, at-home physiotherapy and mind-body approach improves mobility and reduces pain—without surgery or strong medications. Whether you're newly diagnosed or managing long-term pain, Back Rx® empowers you to take control of your health with: 1. Guided video routines based on doctor-recommended physiotherapy 2. Progress tracking to monitor pain, movement, and emotional wellbeing 3. Educational insights to help you understand your body and options 4. A supportive peer community that truly gets it Back pain isn’t just physical—it affects your mood, relationships, and sense of self. That’s why Back RX combines physical healing with emotional validation. You’ll find stories, support, and strategies from people who’ve walked this path—and discover that you’re not alone. Whether you're using Back RX as a standalone solution or alongside your doctor’s care, our goal is simple: to help you move better, feel stronger, and reclaim your life. Join the Back Rx® community today—and start your journey toward lasting relief. Disclaimer: Always consult your doctor before starting any exercise program. Stop if you experience pain and seek medical advice.

About

TZ NYC

Track and store your fitness club workouts, monitor real-time training data, and view progress reports. Syncs with heart rate sensors and Apple Health for comprehensive analysis and competitive rankings.

Highlights
  • Workout tracking and storage
  • Real-time training monitoring
  • Heart rate sensor integration
  • Cloud synchronization for progress reports
  • Club rankings and leaderboards
  • Activity sign-up and credit purchases
  • Apple Health integration
Features
Read full description

TZ NYC App helps its fitness club members track and store their workouts outside the club. Trainers are then able to review all members’ activities so they can help them improve performance, keep their weight under control, and enjoy a healthy and energetic lifestyle. The app works with all chest and arm-based TZ heart rate sensors to provide accurate and engaging cardio frequency-based effort tracking and monitor individual training sessions. Real-time training monitoring makes workouts competitive and engaging and boosts members’ motivation while building a collaborative environment. Monitor your workouts The TZ NYC app provides real-time information on your workout and training session so that you can conveniently adjust your effort to suit your training goals, such as tracking your actual heart rate, HR training zone split, duration, or calories burned. Record and upload your training to the cloud The TZ NYC app automatically synchronizes each new training session with your TZ account to provide a complete overview of your progress with daily and weekly reports as well as an accurate and detailed analysis of all your workouts. Club rankings Are you a competitive individual? Take a look at your Club rankings for sessions, calories, TZ Performance Points, and more! Find your friends and see how they are doing month by month. Club activities You can browse through your Club activities to sign up or to get on the waiting list. Credits and subscriptions to attend to you Club activities can be purchased directly via the TZ NYC. Integrations The TZ app is available for Apple Watch (watchOS 8.7 or greater). The TZ NYC app receives heart rate data through Apple Health when using the Apple Watch. Continued use of GPS running in the background can dramatically decrease battery life.

Screenshots

Back Rx4 screens
TZ NYC4 screens

Verdict

The call

The clearest difference is in-app purchases: TZ NYC at none against Back Rx's 3. TZ NYC also leads on update cadence (every 2 weeks vs every 2 months) and ratings volume (9 vs 1). Back Rx's advantage is iOS requirement (14.0 vs 17.6). On price, rating, review sentiment and ads 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. Back Rx sells 3 in-app purchases, starting at $6.99 per month. TZ NYC asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Back Rx against 5.0 for TZ NYC. That said, the two scores are not equally well evidenced: TZ NYC has 9 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Back Rx ships an update every 2 months, TZ NYC every 2 weeks. The most recent releases landed on June 1, 2026 and September 11, 2026 respectively.

Scorecard5 real differences · 5 level
Back Rx versus TZ NYC: the parameters behind the verdict, then further details
ParameterBack RxTZ NYC
PriceFreeFree
Rating5.0 (1 ratings)5.0 (9 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings19 — better
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPad, iPod — betteriPhone, Apple Watch
Requires iOS14.0 — better17.6
Further details — not scored
Size72 MB260 MB
Age rating17+4+
DeveloperHeal Factory LLCT.Z. NYC

Customer experience

Back Rx

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

TZ NYC

All ratings9 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Back Rx

Subscriptions3
  • Monthly subscription$6.991 Month
  • Semi-annual subscription$34.996 Months
  • Annual subscription$59.991 Year
None

TZ NYC

No in-app purchases

Questions

Is Back Rx free?
Back Rx is free to download, with in-app purchases available.
Is TZ NYC free?
TZ NYC is free to download, with no in-app purchases.
Which has better reviews, Back Rx or TZ NYC?
Back Rx and TZ NYC are both rated 5.0 out of 5 on the App Store, from 1 and 9 ratings respectively.
Do Back Rx or TZ NYC have ads?
Neither Back Rx nor TZ NYC shows ads.
Which is updated more often, Back Rx or TZ NYC?
Back Rx ships an update every 2 months, and TZ NYC every 2 weeks. Most recently, Back Rx was updated on June 1, 2026 and TZ NYC on September 11, 2026.

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