Faeth Digital Health vs FLEX Study App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Faeth Digital Health
This app provides study participants with access to the Faeth clinic experience. It features a new deep-linking system for a smoother user journey when opening links within the application.
- Access clinic experience
- Deep-linking system
- Study participant resources
- Information on cancer metabolism
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Through the Faeth app, study participants have access to the Faeth clinic experience, including: - New deep-linking system, for a smoother experience opening links into the app About Faeth Therapeutics: Faeth was co-founded by some of the greatest cancer scientists (including Lew Cantley, Karen Vousden, Scott Lowe, Greg Hannon and Sid Mukherjee) to address the metabolic underpinnings of cancer by pairing drugs and diets together. We are hoping to demonstrate that specific nutrition paired with specific drugs can have an impact on cancer outcomes.
FLEX Study App
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While using this app you will be asked to complete study related activities and tasks. Activities you may be asked to complete can include completing your dosing diary and performing a Telehealth call with your study doctor.
Screenshots
Verdict
The clearest difference is update cadence: Faeth Digital Health at every 3 weeks against FLEX Study App's every 5 months. On price, ads, in-app purchases and device support 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.
Faeth Digital Health ships an update every 3 weeks, FLEX Study App every 5 months. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.
| Parameter | Faeth Digital Health | FLEX Study App |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (11 ratings) — better | — |
| Number of ratings | 11 — better | — |
| Update frequency | Every 3 weeks — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 41 MB | 149 MB |
| Age rating | 17+ | 17+ |
| Developer | Faeth Therapeutics, Inc. | Hello Thread |
In-app purchases
Faeth Digital Health
No in-app purchases
FLEX Study App
No in-app purchases
Questions
Is Faeth Digital Health free?
Is FLEX Study App free?
Do Faeth Digital Health or FLEX Study App have ads?
Which is updated more often, Faeth Digital Health or FLEX Study App?
Other comparisons
