# REVIAN® vs Clinical Guidelines

REVIAN® and Clinical Guidelines both sit at 3.7 stars, but that hides the real split: 63% of REVIAN®'s written reviews are positive against 0% of Clinical Guidelines's. REVIAN® also leads on update cadence (every 3 months vs every 38 months) and ratings volume (46 vs 3). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 3.7 for REVIAN® against 3.7 for Clinical Guidelines. That said, the two scores are not equally well evidenced: REVIAN® has 46 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 63% of REVIAN®'s written reviews are positive against 0% of Clinical Guidelines's.

REVIAN® ships an update every 3 months, Clinical Guidelines every 38 months. The most recent releases landed on September 19, 2026 and June 21, 2026 respectively.

## The numbers

| Metric | REVIAN® | Clinical Guidelines |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (46 ratings)](https://appshunter.io/ios/app/revian/id1301479830/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/clinical-guidelines/id6447535801/reviews) |
| Number of ratings | **46** | 3 |
| Positive reviews | **62.5% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 38 months |
| Monetization | Free | Free |
| Size | 44 MB | 35 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Revian, Inc.](https://appshunter.io/developer/1463047924) | [American Academy of Dermatology](https://appshunter.io/developer/514894395) |

## What reviewers say

### REVIAN®

[App page](https://appshunter.io/ios/app/revian/id1301479830)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Clinical Guidelines

[App page](https://appshunter.io/ios/app/clinical-guidelines/id6447535801)

Access dermatologic reference guidelines, documents, and calculators for various skin conditions. Bookmark important sections and use the search function for quick information retrieval on your device.

**Highlights:** Reference guidelines, Dermatologic documents, Disease calculators, Bookmark sections, In-app search

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is REVIAN® free?

REVIAN® is free to download, with no in-app purchases.

### Is Clinical Guidelines free?

Clinical Guidelines is free to download, with no in-app purchases.

### Which has better reviews, REVIAN® or Clinical Guidelines?

REVIAN® is rated higher. REVIAN® averages 3.7 out of 5 from 46 ratings, while Clinical Guidelines averages 3.7 from 3 ratings.

### Do REVIAN® or Clinical Guidelines have ads?

Neither REVIAN® nor Clinical Guidelines shows ads.

### Which is updated more often, REVIAN® or Clinical Guidelines?

REVIAN® ships an update every 3 months, and Clinical Guidelines every 38 months. Most recently, REVIAN® was updated on September 19, 2026 and Clinical Guidelines on June 21, 2026.

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