Comparison

KidneyOS vs Blood Test Tracker

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

Head to head
About

KidneyOS

Features
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Managing kidney disease takes a team. KidneyOS is built for CKD and dialysis patients β€” and the family members who help them β€” to track nutrition, fluid, medications, and labs together in one private, iCloud-based dashboard. KIDNEY SCORE Every day receives a 0–100 Kidney Score based on how your sodium, potassium, and phosphorus intake compares to your personal targets. It's a fast, at-a-glance summary of how your day is going β€” not a diagnosis, but a motivating educational signal. CAREGIVER SHARING (Plus) Invite a family member or caregiver via iCloud. They can co-log meals, fluid, and medications from their own device in real time β€” no shared password required. SMART FOOD SEARCH & BARCODE SCANNER Search pulls from USDA FoodData Central (lab-verified nutrients) and Open Food Facts (packaged foods). KidneyOS automatically routes whole-food searches to USDA and branded-product searches to the best available source. Scan any barcode to instantly fill in potassium and phosphorus values that aren't always on the label. FLUID TRACKER Kidney disease often requires a strict daily fluid limit. Log every glass, cup, or IV with quick-add buttons or custom amounts. An animated ring shows exactly how much fluid you have left today. LAB-DRIVEN TARGET SUGGESTIONS Enter your most recent potassium, phosphorus, sodium, albumin, and dialysis context. KidneyOS analyzes trends and suggests whether to tighten or relax your daily nutrient targets β€” then shows its work so you can review it with your care team. MEDICATION REMINDERS Add phosphate binders, blood pressure medications, or any other daily meds. KidneyOS schedules local notification reminders at the exact times you choose. WEEKLY INSIGHTS & TRENDS (Plus) Seven-day nutrient trend charts with auto-generated observations help you and your dietitian spot patterns before your next appointment. DOCTOR EXPORT (Plus) Generate a PDF summary of your food log, fluid intake, labs, and medications to share with your nephrologist or renal dietitian. FOOD LIBRARY & RECIPES Save custom foods and build kidney-friendly recipes. Every recipe automatically calculates sodium, potassium, phosphorus, and calories per serving. SAVED MEALS Create meal templates for dishes you eat regularly. Log an entire meal in one tap. ICLOUD SYNC Your data stays private and syncs automatically across all your iPhone and iPad devices through your personal iCloud account. IMPORTANT MEDICAL DISCLAIMER KidneyOS is intended for informational wellness and nutrition awareness purposes only and is not a medical device. The app does not diagnose, treat, prevent, monitor, or manage any disease or medical condition. Always seek a doctor’s advice in addition to using this app and before making any medical decisions. KidneyOS is an educational self-tracking tool. Always confirm diet changes, fluid limits, target adjustments, and medication decisions with your nephrologist, renal dietitian, or licensed care team. KidneyOS Plus is available as a monthly subscription, annual subscription (best value), or one-time lifetime purchase. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Blood Test Tracker

Features
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Every blood test you have ever taken, in one place β€” logged, flagged against its reference range, and charted over time. LabResults is a blood test tracker and bloodwork logbook: type in each result exactly as printed on your lab report and watch every biomarker build into a timeline you can bring to your doctor. LabResults is deliberately a transcription log, not an interpreter. It has no built-in reference database, because reference intervals differ between laboratories and assays β€” the only correct source is the range printed on your own report. You enter the value and the range; the app does the remembering, the flagging and the charting. It never suggests a cause and never recommends an action. WHAT YOU GET β€’ Open the app and instantly see which of your latest results sit outside their reference range β€” LOW in orange, HIGH in red β€” instead of digging through paper reports and portal PDFs β€’ A trend chart for every test: watch your LDL move across three draws, with your lab's own low and high lines drawn straight onto the chart β€’ Log a whole panel in minutes β€” value, unit, reference range, lab name, date and notes, exactly as the report prints them β€’ One-sided ranges handled honestly: "< 200" or "> 40" stays one-sided, so flags never lie β€’ Show glucose or cholesterol in mg/dL or mmol/L when different labs report in different units β€” your stored numbers never change β€’ A CSV export of your complete history, ready to print or hand over at your next appointment PERFECT FOR β€’ Anyone following cholesterol, blood sugar, HbA1c, TSH or vitamin D across repeat panels β€’ Patients whose results are scattered across paper reports and several lab portals β€’ People preparing for a doctor's visit who want the whole history on one page β€’ Annual-checkup people who want this year's panel next to last year's WHY NOT JUST THE PATIENT PORTAL? A portal shows one provider's results, in that provider's format, for as long as they keep them. LabResults holds every draw from every lab β€” including paper reports the portal has never seen β€” in one timeline that lives on your phone and answers to you. PRIVATE BY DEFAULT Everything you enter is stored in a database on your device. No account, no analytics, no advertising, and no network traffic beyond Apple's own purchase and restore calls. A CSV leaves the phone only when you choose to share it. LabResults is for personal tracking only and is not medical advice. It never interprets a result β€” always discuss your results, especially out-of-range ones, with your doctor. FULL ACCESS LabResults requires Full Access to use the app: a Weekly or Yearly auto-renewing subscription, or a one-time Lifetime purchase. Every plan unlocks everything β€” logging, out-of-range flags, trend charts and CSV export. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the period; manage or cancel anytime in your App Store account settings. Download LabResults and log your latest panel tonight β€” the next time your doctor asks "what was it last time?", you will have the answer in your pocket. Terms of Use: https://leanstudio.asia/terms-of-use Privacy Policy: https://leanstudio.asia/privacy-policy Support: support@leanstudio.asia

Screenshots

KidneyOS4 screens
Blood Test Tracker4 screens

Verdict

The call

The clearest difference is update cadence: KidneyOS at every 2 days against Blood Test Tracker's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. KidneyOS sells 3 in-app purchases, starting at $2.99 per month and Blood Test Tracker sells 3 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

KidneyOS ships an update every 2 days, Blood Test Tracker every 2 months. Both last shipped on October 25, 2026.

Scorecard1 real difference Β· 5 level
KidneyOS versus Blood Test Tracker: the parameters behind the verdict, then further details
ParameterKidneyOSBlood Test Tracker
PriceFreeFree
Update frequencyEvery 2 days β€” betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad β€” betteriPhone
Requires iOS17.617.0 β€” better
Further details β€” not scored
Size8 MB3 MB
Age rating4+4+
DeveloperBtown Labs, LLCLEAN ASIA CO., LTD

In-app purchases

3 purchases

KidneyOS

Subscriptions2
  • KidneyOS Plus Monthly$2.991 Month
  • KidneyOS Plus Annual$19.991 Year
One-time1
  • KidneyOS Plus Lifetime$49.99
3 purchases

Blood Test Tracker

Subscriptions2
  • Glucose Trends Weekly$5.997 Days
  • Thyroid & TSH Yearly$29.991 Year
One-time1
  • Cholesterol Lifetime$59.99

Questions

Is KidneyOS free?
KidneyOS is free to download, with in-app purchases available.
Is Blood Test Tracker free?
Blood Test Tracker is free to download, with in-app purchases available.
Do KidneyOS or Blood Test Tracker have ads?
Neither KidneyOS nor Blood Test Tracker shows ads.
Which is updated more often, KidneyOS or Blood Test Tracker?
KidneyOS ships an update every 2 days, and Blood Test Tracker every 2 months. Most recently, KidneyOS was updated on October 25, 2026 and Blood Test Tracker on October 25, 2026.

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