Comparison

REVIAN® vs EigenFlow 3

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

Head to head
About

REVIAN®

This app controls a hair regrowth system, offering personalized treatment for hair loss. It allows users to start/pause treatments, receive reminders, and track progress with photos. It's designed to complement a specific hair regrowth system.

Highlights
  • Control hair regrowth treatments
  • Schedule treatment reminders
  • Track progress with photos
  • Personalized treatment control
  • FDA-cleared system integration
Features
Read full description

The REVIAN RED Hair Growth System combines a wireless treatment cap with the REVIAN® App to create a personalized, connected treatment experience. In just 10 minutes a day, you can activate and manage daily treatments, receive personalized reminders, track compliance, and monitor your progress—all from the palm of your hand. Designed to work seamlessly together, the REVIAN RED System combines advanced patented dual wavelength Low-Level Light Therapy (LLLT) with intelligent app control to help you stay consistent with your treatment plan and take control of your hair regrowth journey. Whether you’re experiencing thinning hair or pattern hair loss, REVIAN makes it easy to stay connected, committed, and on track. FEATURES • Connect to your REVIAN wireless treatment cap • Start and pause treatment sessions • Schedule personalized daily reminders • Track treatment compliance and session history • Capture progress with a built-in photo journal • Review treatment milestones over time • Light & Dark Mode support WHY REVIAN®? REVIAN RED is an FDA-cleared at-home Low-Level Light Therapy (LLLT) device utilizing patented dual wavelength technology. Clinically proven to grow more hair in less time, REVIAN is an all-natural solution designed to help stop hair loss, grow healthy new hair, and improve hair volume and appearance. Recommended by 2,000+ U.S. medical providers, REVIAN continues to advance the science of hair restoration through innovative light therapy. Powered by patented 620nm orange and 660nm red LED wavelengths, REVIAN’s advanced light therapy addresses the three primary factors associated with androgenetic alopecia, helping unlock the body’s natural ability to accelerate healing and renew the cells that grow hair. With 61 Light Science Patents & Growing and the only LLLT device with proven DHT inhibition, REVIAN represents the next generation of hair restoration technology. STAY CONSISTENT. SEE RESULTS. Consistency is key to successful hair regrowth. The REVIAN App helps you build healthy treatment habits with reminders, compliance tracking, and progress photos—giving you the tools to stay committed and monitor your progress every step of the way. IMPORTANT INFORMATION The REVIAN App is intended for use with the REVIAN RED Hair Growth System. This app is not intended to provide medical advice, diagnosis, or treatment recommendations. Always consult a qualified healthcare professional regarding any medical condition or treatment. Learn more at www.revian.com

About

EigenFlow 3

Features
Read full description

EigenFlow 3 introduces Scenario Creator, making it easier than ever to create custom scenarios for ECMO simulation. With the intuitive app interface, you can design decision trees tailored to your specific physiological needs. This feature empowers you to build and adapt scenarios that enhance your training and ensure preparedness for any situation. Medical Disclaimer: EigenFlow is intended solely for healthcare simulation, education, and training. It is not intended for clinical use, diagnosis, patient monitoring, or treatment. This app and the EigenFlow simulation system should not be used to make medical decisions. Users should consult an appropriately qualified healthcare professional regarding medical decisions and patient care.

Screenshots

REVIAN®4 screens
EigenFlow 34 screens

Verdict

The call

The clearest difference is update cadence: EigenFlow 3 at every 5 weeks against REVIAN®'s every 3 months. REVIAN®'s advantage is iOS requirement (12.0 vs 16.0). 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

REVIAN® ships an update every 3 months, EigenFlow 3 every 5 weeks. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level
REVIAN® versus EigenFlow 3: the parameters behind the verdict, then further details
ParameterREVIAN®EigenFlow 3
PriceFreeFree
Rating3.5 (51 ratings) — better—
Positive reviews62.5% of reviews—
Number of ratings51 — better—
Update frequencyEvery 3 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.0
Further details — not scored
Size44 MB105 MB
Age rating4+4+
DeveloperRevian, Inc.Paul Curtis

In-app purchases

None

REVIAN®

No in-app purchases

None

EigenFlow 3

No in-app purchases

Questions

Is REVIAN® free?
REVIAN® is free to download, with no in-app purchases.
Is EigenFlow 3 free?
EigenFlow 3 is free to download, with no in-app purchases.
Do REVIAN® or EigenFlow 3 have ads?
Neither REVIAN® nor EigenFlow 3 shows ads.
Which is updated more often, REVIAN® or EigenFlow 3?
REVIAN® ships an update every 3 months, and EigenFlow 3 every 5 weeks. Most recently, REVIAN® was updated on October 20, 2026 and EigenFlow 3 on October 24, 2026.

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