Comparison

Blood Test Grapher vs Ruby Health

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

Head to head
About

Blood Test Grapher

This app allows you to record and visualize your personal health data, including blood test results and diet changes, over time. Set normal ranges, calculate body fat and BMI, and receive reminders for doctor's appointments. Data can be exported for later review.

Highlights
  • Record and graph custom data items
  • Set normal ranges for test results
  • Visualize test results and diet changes on graphs
  • Automatic body fat and BMI calculation
  • Doctor's visit scheduling and notifications
  • Data backup and restore
  • Data export functionality
Features
Read full description

A health data tracker. Record and graph YOUR OWN DATA ITEMS. Normal ranges can be set. ・Execute quick operations offline (excluding the data export functionality). ・Verify at a glance your test results and diet changes on a graph. ・Multiple graphs on one screen. (In-App Purchase) ・Record and graph your own data items! ・Backup & restore functionality is available. (In-App Purchase) ・Calculate your body fat (kg/lb) and BMI automatically. ・Record numerical values in one go using one single screen. ・Receive notifications for your scheduled doctor visits. ・Record your values and export the data at a later date. ・The text size can be changed to a "Larger Text" setting. ・Use it easily with just one hand! (Set the most frequently used buttons at the bottom of the screen, Right-swipe to go back to the previous screen.) §Recorded Data Items The following data items are recorded by default. (Any of the default data items can be hidden.) Diet Data Items: - Body Weight - Body Fat Percentage - Body Fat (Auto-calc) - BMI (Auto-calc) - Running * - Walking * - Calories (Taken) * - Calories (Burned) * Test Data Items: - Red Blood Cells (RBC) - White Blood Cells (WBC) - Platelets (PLT) - Hemoglobin (Hb) - Hematocrit (Ht) - Mean Corpuscular Volume (MCV) - Mean Corpuscular Hemoglobin (MCH) - Mean Corpuscular Hemoglobin Concentration (MCHC) - AST (GOT) - ALT (GPT) - Gamma GTP - Total Protein (TP) - Albumin (ALB) - Total Cholesterol (TC) - HDL Cholesterol (HDL-C) - LDL Cholesterol (LDL-C) - Triglyceride (TG) - Hemoglobin A1c (HbA1c) * - Blood Sugar (FPG) * *: Data items initially set as hidden. Apart from these data items, you can also record and sort your own data items! §Medical Visits Scheduling Screen By recording the medical institutions you are due to visit, as well as the date and time of your appointments, you can configure the app to send you notifications at a specified time. The time of the notifications can be changed in the Settings screen. §Data Records Screen This screen records the numerical values related to your diet and test results. Configuration changes for adding new input data items, etc. can be made from the "Diet Data Items List" or "Test Data Items List" on the Settings screen. §Graph Screen This screen allows you to verify the numerical data recorded on the Data Records screen by plotting it on a graph. §Settings Screen This screen allows you to configure basic information, display settings, record master data, etc. Please set your "Gender" and "Height". These values will be used for calculating the normal range of your test data items and your BMI. To use the hospital visits scheduling functionality and the medical expenses data output functionality, please record your medical institutions information from the "Medical Institutions (Pharmacies) List." §Data Export Functionality (Test Data, Diet Data, and Medical Expenses Data) This functionality allows you to output test data, diet data, and medical expenses information recorded on the app onto files in CSV format, so they can be transferred to PCs, etc. This data can then be used by processing it on spreadsheet software such as Excel. The export functionality uses AirDrop and the e-mail app included with iOS. Cloud storage services (iCloud, etc. if installed.) are also available. Third party e-mail apps (Gmail, etc.) may appear on the list; however, some apps may not be able to attach CSV files, so we recommend using the e-mail app that is included with iOS.

About

Ruby Health

This wellness tool estimates your Iron and Circulation Scores using a fingernail selfie. Track your water intake, menstrual cycle, mood, and supplements to monitor your blood health and lifestyle. It's designed to encourage a healthy lifestyle and may help identify risks associated with iron deficiency.

Highlights
  • Instant Iron Score estimation
  • Instant Circulation Score estimation
  • Fingernail selfie analysis
  • Water intake tracking
  • Menstrual cycle tracking
  • Mood and supplement logging
  • Shareable history
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/

Screenshots

Blood Test Grapher4 screens
Ruby Health3 screens

Verdict

The call

Blood Test Grapher and Ruby Health both sit at 4.2 stars, but that hides the real split: 76% of Blood Test Grapher's written reviews are positive against 23% of Ruby Health's. Blood Test Grapher also leads on iOS requirement (9.3 vs 15.0). Ruby Health's advantage is ads (none vs shown) and ratings volume (2K vs 29). On price, rating, in-app purchases and monetization model 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. Blood Test Grapher sells 3 one-off in-app purchases and Ruby Health sells 5 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.2 for Blood Test Grapher against 4.3 for Ruby Health. That said, the two scores are not equally well evidenced: Ruby Health has 2K ratings behind it against 29, so its average is the more settled of the two. Written reviews are what separate them: 76% of Blood Test Grapher's written reviews are positive against 23% of Ruby Health's.

UpkeepUpdate frequency

Blood Test Grapher ships an update every 5 weeks, Ruby Health fortnightly. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 5 level
Blood Test Grapher versus Ruby Health: the parameters behind the verdict, then further details
ParameterBlood Test GrapherRuby Health
PriceFreeFree
Rating4.2 (29 ratings)4.3 (2K ratings) — better
Positive reviews75.6% of reviews — better22.7% of reviews
Number of ratings292K — better
Update frequencyEvery 5 weeksFortnightly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS9.3 — better15.0
Further details — not scored
Size16 MB117 MB
Age rating4+4+
DeveloperAi ImaiSanguina, Inc

Customer experience

Blood Test Grapher

All ratings24 ratings
Positive79.2%
Neutral4.2%
Negative16.7%
Written reviews78 reviews
Positive75.6%
Neutral12.8%
Negative11.5%

Ruby Health

All ratings2,012 ratings
Positive83.0%
Neutral4.3%
Negative12.7%
Written reviews119 reviews
Positive22.7%
Neutral13.4%
Negative63.9%

Bugs and requests

Blood Test Grapher

Not enough reviews yet to summarise bugs or 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

In-app purchases

3 purchases

Blood Test Grapher

One-time3
  • Multi-Graph Mode$1.99
  • Backup & Restore$1.99
  • Remove Ads$3.99
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

Questions

Is Blood Test Grapher free?
Blood Test Grapher is free to download, with in-app purchases available.
Is Ruby Health free?
Ruby Health is free to download, with in-app purchases available.
Which has better reviews, Blood Test Grapher or Ruby Health?
Ruby Health is rated higher. Blood Test Grapher averages 4.2 out of 5 from 29 ratings, while Ruby Health averages 4.3 from 2K ratings.
Do Blood Test Grapher or Ruby Health have ads?
Blood Test Grapher shows ads; Ruby Health does not.
Which is updated more often, Blood Test Grapher or Ruby Health?
Blood Test Grapher ships an update every 5 weeks, and Ruby Health fortnightly. Most recently, Blood Test Grapher was updated on October 24, 2026 and Ruby Health on October 30, 2026.

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