Comparison

Ruby Health vs Shimmerly

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

Head to head
About

Ruby Health

This app offers a non-invasive way to estimate your Iron and Circulation Scores using a fingernail selfie. It helps you monitor blood health, track lifestyle factors like water intake and menstrual cycles, and identify potential signs of iron deficiency or poor circulation. The app provides insights into your well-being and encourages a healthy lifestyle.

Highlights
  • 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
Features
Read full description

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/

About

Shimmerly

This app uses AI to help you find clothes that fit perfectly and flatter your body shape. It offers virtual try-ons, personalized color analysis, and tailored size recommendations from thousands of brands. Discover your style, get celebrity inspiration, and shop with confidence.

Highlights
  • Virtual fitting room
  • Personalized color analysis
  • Body shape analysis for clothing
  • Tailored size recommendations
  • Celebrity style inspiration
  • Virtual try-on for thousands of brands
Read full description

Getting dressed should feel effortless. Shimmerly makes it that way. Step into a fitting room built entirely around you. See how anything looks and fits before it arrives, in the colors and cuts made for your body. Everything beautiful, effortlessly. Your Fitting Room Try anything on in real time. Mix and match from thousands of brands, create looks you love, and know the fit is right before you buy. Always open, always yours. Your Colors Discover the shades that bring you to life. Shimmerly reads your natural coloring to reveal your true season, so you shop the colors that suit you best. Made for Your Shape The right silhouette changes everything. Shimmerly learns your shape and guides you to the cuts that flatter you most, with a stylist's eye built in. Your Perfect Size No more guessing. No more returns. Shimmerly reads over 100 measurements to find your exact size across every brand you shop, from everyday staples to the piece you've been saving for. Choose the plan that fits you: Monthly $9.99 Yearly $47.90 Privacy Policy https://www.shimmerly.ai/privacy Terms of Use https://www.shimmerly.ai/terms

Screenshots

Ruby Health3 screens
Shimmerly4 screens

Verdict

The call

The clearest difference is monetization model: Ruby Health at freemium against Shimmerly's subscription. Ruby Health also leads on ads (none vs shown). Shimmerly's advantage is review sentiment (55% vs 23%) and rating (4.6 vs 4.3). On price, ratings volume, 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. Ruby Health sells 5 in-app purchases, starting at $8.99 per month and Shimmerly sells 7 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Shimmerly holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 2K and 1.1K respectively. Written reviews point the same way: 23% of Ruby Health's written reviews are positive against 55% of Shimmerly's.

UpkeepUpdate frequency

Ruby Health ships an update fortnightly, Shimmerly every 5 days. The most recent releases landed on September 17, 2026 and September 20, 2026 respectively.

Scorecard5 real differences · 5 level
Ruby Health versus Shimmerly: the parameters behind the verdict, then further details
ParameterRuby HealthShimmerly
PriceFreeFree
Rating4.3 (2K ratings)4.6 (1.1K ratings) — better
Positive reviews22.7% of reviews54.5% of reviews — better
Number of ratings2K — better1.1K
Update frequencyFortnightlyEvery 5 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemium — betterSubscription
DevicesiPhone, iPod — betteriPhone
Requires iOS15.0 — better16.4
Further details — not scored
Size114 MB321 MB
Age rating4+4+
DeveloperSanguina, IncAll Athlete Inc.

Customer experience

Ruby Health

All ratings2,002 ratings
Positive82.9%
Neutral4.3%
Negative12.7%
Written reviews119 reviews
Positive22.7%
Neutral13.4%
Negative63.9%

Shimmerly

All ratings1,056 ratings
Positive91.0%
Neutral4.2%
Negative4.8%
Written reviews55 reviews
Positive54.5%
Neutral12.7%
Negative32.7%

User reviews

Ruby Health

From 2K App Store ratings

What we love

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

Room to improve

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

Shimmerly

From 1.1K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Helpful features
  • 💡 Innovative technology
  • 🎨 Accurate color analysis
  • 🤩 Great app overall

Room to improve

  • 🐛 Crashes and technical issues
  • 💰 Paid features required
  • 🤷‍♀️ Inconsistent results
  • 🌐 Limited for diverse users

Bugs and requests

Ruby Health

Reported bugs

3 issues
  • Camera focus problems
  • App freezing or crashing
  • Verification link issues

Requested features

3 requests
  • Bypass calibration option
  • More free tests per month
  • Compatibility improvements for newer devices

Shimmerly

Reported bugs

3 issues
  • Self-function and AI body scanner not loading
  • Issues with setting actual age
  • Verification email not being sent

Requested features

3 requests
  • Allow users under 18 to access the app
  • Expand color analysis for diverse skin tones
  • Add more clothing recommendations and styling options

In-app purchases

5 purchases

Ruby Health

Subscriptions5
  • MyMobile Monthly Legacy7 Days trial$8.991 Month
  • Ruby Premium Monthly7 Days trial$12.991 Month
  • MyMobile Semi-Annual Legacy7 Days trial$29.996 Months
Show 2 more
  • MyMobile Annual Legacy7 Days trial$69.991 Year
  • Ruby Premium Annual7 Days trial$99.991 Year
7 purchases

Shimmerly

Subscriptions7
  • Pro Weekly7 Days trial$3.997 Days
  • Pro Weekly$3.997 Days
  • Pro Monthly$9.991 Month
Show 4 more
  • Pro Yearly1 Year trial$47.901 Year
  • Pro Yearly$47.901 Year
  • Pro Yearly With Trial3 Days trial$47.901 Year
  • Pro Yearly1 Year trial2 variants$47.991 Year

Questions

Is Ruby Health free?
Ruby Health is free to download, with in-app purchases available.
Is Shimmerly free?
Shimmerly is free to download, with in-app purchases available.
Which has better reviews, Ruby Health or Shimmerly?
Shimmerly is rated higher. Ruby Health averages 4.3 out of 5 from 2K ratings, while Shimmerly averages 4.6 from 1.1K ratings.
Do Ruby Health or Shimmerly have ads?
Shimmerly shows ads; Ruby Health does not.
Which is updated more often, Ruby Health or Shimmerly?
Ruby Health ships an update fortnightly, and Shimmerly every 5 days. Most recently, Ruby Health was updated on September 17, 2026 and Shimmerly on September 20, 2026.

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