# PTX Platform vs Parabon CTX Study App

PTX Platform and Parabon CTX Study App are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

PTX Platform ships an update monthly, Parabon CTX Study App every 3 weeks. The most recent releases landed on June 1, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | PTX Platform | Parabon CTX Study App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ptx-platform-routine-builder/id1477160201/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 52 MB | 10 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [PTX Therapy, LLC](https://appshunter.io/developer/1477160200) | [Parabon NanoLabs, Inc.](https://appshunter.io/developer/1401016241) |

## What reviewers say

### PTX Platform

[App page](https://appshunter.io/ios/app/ptx-platform-routine-builder/id1477160201)

Build personalized therapy routines for clients using AI or custom exercises. Upload client media, analyze progress with photo comparisons, and securely share routines. Join a community of professionals for shared knowledge and resources.

**Highlights:** AI-powered routine generation, Customizable exercise sequencing, Photo and video upload, Before/after photo comparison, Client notification options, Access to community routines, Secure client data management

**In-app purchases:** none


### Parabon CTX Study App

[App page](https://appshunter.io/ios/app/parabon-ctx-study-app/id6444806840)

**In-app purchases:** none


## Frequently asked questions

### Is PTX Platform free?

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

### Is Parabon CTX Study App free?

Parabon CTX Study App is free to download, with no in-app purchases.

### Do PTX Platform or Parabon CTX Study App have ads?

Neither PTX Platform nor Parabon CTX Study App shows ads.

### Which is updated more often, PTX Platform or Parabon CTX Study App?

PTX Platform ships an update monthly, and Parabon CTX Study App every 3 weeks. Most recently, PTX Platform was updated on June 1, 2026 and Parabon CTX Study App on September 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*