# Ruby Health

> Smartphone app estimates Iron and Circulation Scores via fingernail selfie. (iPhone/iPad app by Sanguina, Inc.)

- Source: https://appshunter.io/ios/app/ruby-health/id1574988352 (this page in markdown: same URL + `.md`)
- Developer: [Sanguina, Inc](https://appshunter.io/developer/1514400672)
- Category: Lifestyle, Education
- Price: Free with in-app purchases
- Rating: 4.30/5 from 2,002 App Store ratings · 119 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.0 · 113 MB
- Languages: American English
- Released: 2021-12-03
- Data updated: 2026-08-25
- Monetization: freemium
- User reviews in markdown: https://appshunter.io/ios/app/ruby-health/id1574988352/reviews.md

## What is Ruby Health?

Ruby is the FIRST patented smartphone app that instantly estimates your Iron Score* and your Circulation Score*.

Ruby is a wellness tool intended only for maintaining and encouraging a healthy lifestyle, which may reduce the impact of iron deficiency or iron deficiency anemia. Ruby is not intended for diagnosing, curing, managing, preventing, or treating any disease or condition.

Have you experienced dizziness, fatigue, or frequent headaches? Curious about your dietary iron needs? Ruby is designed to empower you to optimize your health by monitoring your blood health effectively. You can check your iron and circulation scores, log your water intake, and track your menstrual cycle in one convenient place.

1. Download the app
2. Take a fingernail selfie
3. Get your Iron and Circulation Scores, and more!

Featured in Forbes, Business Insider, Bloomberg, TechCrunch, Fast Company, Associated Press, and BBC.

*What is an Iron Score? It is a non-invasive assessment that helps determine your risk of iron deficiency anemia using a simple fingernail selfie to analyze the paleness of your fingernail beds. Not getting enough iron, folate or vitamin B12 in your diet may cause: 

• Brittle nails
• Fatigue
• Physical weakness
• Lightheadedness
• Dizziness
• Pallor (Pale or yellowish skin)
• Shortness of breath
• Headaches
• Cold hands and feet

*What is a Circulation Score? is a measure of how fast your blood is moving in your fingertips.
A score lower than 50 indicates poor circulation. Consult your doctor.
A score between 50 and 75 indicates that circulation is borderline and could be improved.
A score over 75 is normal. The majority of women and men score between 75 - 100. You may notice increases and decreases with physical activity.

Ruby:
Allows you to track your mood, supplements, medications, water intake, and menstrual cycle for the day.
Gives you instant Iron and Circulation Scores with a fingernail selfie
Saves your history in shareable format

Ruby now offers a premium subscription that includes the following features:

+ Unlimited Tests – You can test as often as you want to get a better idea of how diet and lifestyle changes impact your blood health. The basic (free) subscription has a limit of 3-iron score tests and 50 circulation tests per month.
+ Calibration – Get 50% more accurate results with your unique algorithm. It calibrates every time you upload lab tests and take a fingernail selfie.
+ Data insights - You have full access to past test results. See how your Iron and/or Circulation Score has changed over time and track trends such as your mood and supplement use.
+ Set reminders - We know life gets hectic, and we can help you tap into your health by sending you reminders on when to take your fingernail selfie.

Ruby is perfect for: 
• Women, especially those who are pregnant or have just given birth
• Parents of young children and infants
• People over the age of 65
• Vegetarians & vegans
• High-performance athletes
• Anyone managing their nutritional intake!

*Ruby has room for improvement for users with severe anemia or other severe, chronic, health conditions. If you fall into this category and would like information on our product optimizations that would work best for you, please email ruby@sanguina.com for more information.

At Sanguina, we're committed to empowering people to live better lives through accessible science and technology. Before making any medical decisions, seek a doctor's advice in addition to using the app.

Terms & Conditions: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Key features

- Estimate Iron Score via fingernail selfie
- Estimate Circulation Score via fingernail selfie
- Track water intake
- Track menstrual cycle
- Log mood, supplements, and medications
- View historical data and trends

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| MyMobile Semi-Annual Legacy | $29.99 | per 6 months |
| MyMobile Monthly Legacy | $8.99 | per month |
| MyMobile Annual Legacy | $69.99 | per year |
| Ruby Premium Monthly | $12.99 | per month |
| Ruby Premium Annual | $99.99 | per year |


## What do users think of Ruby Health?

Overall sentiment: negative

**Pros**

- 🚀 Accurate readings
- ⚖️ Helpful for monitoring iron levels
- 👍 User-friendly app
- 💡 Innovative concept

**Cons**

- 🔍 Inconsistent accuracy
- 🤔 Unreliable readings
- 💰 Expensive subscription
- 🤷‍♀️ Calibration issues

**Commonly reported bugs**

- Camera focus problems
- App freezing or crashing
- Verification link issues

**Most requested features**

- Bypass calibration option
- More free tests per month
- Compatibility improvements for newer devices

## Recent user reviews (10 of 119)

All indexed reviews: https://appshunter.io/ios/app/ruby-health/id1574988352/reviews.md

### 1/5 — Dangerous app

*2026-06-28, version 3.2.1*

My hemoglobin is 29.3 and ferritin is 5, but Ruby Health stops at 26 and claimed I am not anemic. I am medically diagnosed with severe anemia. I got this app to show my progress, but based on my experience this app is unsafe for anyone tracking their condition.

### 3/5 — Does not seem to be reliable

*2025-10-06, version 3.0.32*

I wanted this to work so I knew if I need to adjust my iron intake. I did this test two days in a row and there was a 2 point difference. The lower of the two numbers was done in my bathroom which has what claims to be a daylight light bulb and the higher number was done in a room with a standard led. I do the free version so I only use it when I feel off and need to know if it is iron or protein I need. hopefully one day this can be a lot more accurate because right now they're really aren't at home tests unless you get it from a different country and or pay an arm and a leg and I'm not going to run to the doctor every time there's a problem because it's pretty much pointless for a female in the US.

### 5/5 — Awesome

*2025-07-13, version 3.0.5*

Great product

### 5/5 — Great app!

*2025-06-30, version 3.0.5*

Easy to track my wellness trends with instant results.

### 3/5 — Lighting is Key

*2025-06-12, version 3.0.5*

Depending on lighting the results can be wildly different.
App need to control for lighting or advise user as to lighting.

### 1/5 — don’t work

*2025-05-18, version 3.0.5*

horrible all it does says can’t find nail

### 1/5 — Would Not take pic of Nales

*2025-05-06, version 3.0.5*

I could Not get it to  take a picture of my Nails with my iPad, it kept saying move closer, but Nothing, would not take a picture, I have to delete the app, they better Not try and take money from me, I only hade it for an hour, and tried taking pics of my nails for 50 minutes.

### 1/5 — Inaccurate

*2025-04-21, version 3.0.4*

App kept showing deficient or low iron but got my lab results and it was 20 points higher than what the app was showing

### 1/5 — Doesn’t work since update

*2025-04-14, version 3.0.0*

They deleted the manual test and the app no longer works for me

### 1/5 — Inaccurate results, interesting concept

*2025-04-07, version 3.0.0*

I tested myself twice in indoor light and next to natural window light. Both tests from Ruby said I am not anemic when blood tests confirm I am severely anemic enough to require IV iron. I would not trust this app for any actual medical advice. Uninstall for me.

## Frequently asked questions about Ruby Health

### What does the Ruby Health app do?

Ruby Health is a wellness tool that uses a fingernail selfie to non-invasively estimate your Iron Score and Circulation Score. It helps you monitor your blood health, track lifestyle factors like water intake and menstrual cycles, and identify potential signs of iron deficiency or poor circulation. The app is intended to encourage a healthy lifestyle and is not a diagnostic tool.

### How do I get my Iron and Circulation Scores?

To get your scores, you simply download the app, take a fingernail selfie, and the app will analyze it to provide your instant Iron and Circulation Scores. The Iron Score assesses your risk of iron deficiency anemia by analyzing the paleness of your nail beds, while the Circulation Score measures how fast your blood is moving in your fingertips.

### Is Ruby Health free to use?

Ruby Health offers a basic free subscription with limited tests per month (3 iron score tests and 50 circulation tests). A premium subscription is available, offering unlimited tests, enhanced calibration for more accurate results, detailed data insights into trends, and reminders for taking selfies.

### What are the benefits of the premium subscription?

The premium subscription provides unlimited Iron and Circulation Score tests, allowing for more frequent monitoring and better tracking of lifestyle changes. It also includes calibration for 50% more accurate results, full access to past test results and trends, and helpful reminders to take your fingernail selfies.

### Who is Ruby Health for?

Ruby Health is designed for anyone interested in monitoring their blood health and understanding potential indicators of iron deficiency or poor circulation. This includes women, especially those who are pregnant or have recently given birth, parents of young children, individuals over 65, vegetarians and vegans, high-performance athletes, and anyone managing their health.

## Version history (last 5 releases)

### 3.2.7 — 2026-08-25

We're continually improving Ruby! Keep your notifications on so you don't miss any updates!

### 3.2.6 — 2026-08-11

We're continually improving Ruby! Keep your notifications on so you don't miss any updates!

### 3.2.5 — 2026-07-28

We're continually improving Ruby! Keep your notifications on so you don't miss any updates!

### 3.2.4 — 2026-07-16

We're continually improving Ruby! Keep your notifications on so you don't miss any updates!

### 3.2.3 — 2026-07-14

We're continually improving Ruby! Keep your notifications on so you don't miss any updates!

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-25.*