Stretch U | vs Parabon CTX Study App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stretch U |
Plan and schedule your stretching sessions directly from your device. View availability, sign up for classes, and make purchases. Optimize your time and enjoy the convenience of managing your fitness activities on the go.
- Schedule stretching sessions
- View session availability
- Sign up for sessions
- Make purchases
- View studio location
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Download the Stretch U App today to plan and schedule your stretching sessions. From this mobile App you can view availability, sign-up for sessions, make purchases, as well as view the studio’s location information. Optimize your time and maximize the convenience of signing up for stretch sessions from your device! Download this App today!
Parabon CTX Study App
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The CTX app was developed as part of a research study to explore the use of smartphones to monitor cognitive health. This study is designed to demonstrate the feasibility of using enjoyable game-like activities to monitor cognitive health over time. If successful, such mobile cognitive health monitoring could eventually serve as a useful diagnostic tool for clinicians.
Screenshots
Verdict
The clearest difference is iOS requirement: Parabon CTX Study App at 13.0 against Stretch U |'s 16.0. On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.
| Parameter | Stretch U | | Parabon CTX Study App |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (13 ratings) — better | — |
| Positive reviews | 88.9% of reviews | — |
| Number of ratings | 13 — better | — |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 191 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Stretch Management LLC | Parabon NanoLabs, Inc. |
In-app purchases
Stretch U |
No in-app purchases
Parabon CTX Study App
No in-app purchases
Questions
Is Stretch U | free?
Is Parabon CTX Study App free?
Do Stretch U | or Parabon CTX Study App have ads?
Which is updated more often, Stretch U | or Parabon CTX Study App?
Other comparisons
