Comparison

BlueStar Diabetes vs iSage Rx

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

Head to head
About

BlueStar Diabetes

This app offers daily digital coaching to help individuals manage type 2 diabetes. It provides personalized guidance, connects health data, and supports habit building for better blood glucose management. Users can also share progress with their care team.

Highlights
  • Daily digital coaching
  • Personalized guidance
  • Connects medications, nutrition, activity, and health data
  • Blood glucose management tools
  • Progress sharing with care team
  • FDA-cleared medical device
Read full description

We know that living with diabetes can be tough. That’s why we’re making diabetes self-care easier. BlueStar® provides daily digital coaching unique to you; to help you learn about your condition, build better habits, and live your best life. Our diabetes app is award-winning**, FDA-cleared* and fits easily into your everyday life — while giving you useful tips and advice along the way. It’s easy-to-use, hassle-free, and secure. Note: BlueStar is only available via your health plan, health system or employer. BlueStar can help make living with diabetes easier with: DIGITAL COACHING: Get the right guidance at the right time — all in one easy-to-use app. TOTAL HEALTH APPROACH TO DIABETES: Help build and maintain better habits by connecting your medications, nutrition, activity, devices and health data, including data from Apple Health®. THE SUPPORT YOU NEED TO MANAGE YOUR BLOOD GLUCOSE: Learn what you need - at your own pace - with easy-to-use tools and easy-to-follow guidance within the app. SHARE YOUR PROGRESS: Celebrate your successes and share your challenges with your doctor and care team — easily and quickly. *BlueStar® Rx/OTC is an FDA-cleared medical device, intended for use by healthcare providers and their adult patients with type 1 or type 2 diabetes. For full labeling information, visit www.welldoc.com. **Named Best Diabetes Apps for Sugar-Conscious Peeps 2021, by Tech Times BlueStar® is a Software as a Medical Device (SaMD) intended to be used by healthcare providers (HCPs) and their patients – aged 18 years and older - who have type 1 or type 2 diabetes. BlueStar is intended to assist patients in managing their diabetes with guidance from their providers. BlueStar has two versions – BlueStar and BlueStar Rx. BlueStar is not intended to replace the care provided by a licensed healthcare professional. BlueStar should not be used by patients with gestational diabetes or patients using an insulin pump. Visit www.welldoc.com for full labeling information. The privacy and security of your personal information is very important to us. We protect it in accordance with the Health Insurance Portability and Accountability Act. ABOUT WELLDOC Welldoc is committed to improving the health of individuals living with a chronic disease. © 2009-24 Welldoc, Inc. Intellectual Property. All rights reserved. The Welldoc and BlueStar name and logo are trademarks of Welldoc. Made in the USA. Manufactured by Welldoc.

About

iSage Rx

This app assists individuals with type 2 diabetes in managing their basal insulin therapy. It helps users track blood sugar levels, receive recommended insulin doses, and adhere to their prescribed treatment plan in collaboration with their healthcare provider.

Highlights
  • Basal insulin titration guidance
  • Blood sugar level tracking
  • Recommended insulin dosage
  • Dose adjustment reminders
  • Healthcare provider monitoring
  • Type 2 diabetes management
Read full description

If you’re taking basal insulin for type 2 diabetes, iSage Rx helps you work together with your healthcare provider to follow your prescribed plan and reach your target blood sugar range. With iSage Rx, you simply enter your blood sugar levels, receive your recommended dose of basal insulin, and develop a routine for better managing your type 2 diabetes. • iSage Rx allows doctors to monitor starting doses and blood sugar levels to make sure the care plan is being followed. • iSage Rx communicates the prescribed basal insulin dose and informs you when it’s time to adjust your dose. • With iSage Rx, you may be able to achieve greater control over your type 2 diabetes. • iSage Rx is not intended to replace the care and management provided by a healthcare professional trained in the management of diabetes. Please consult with your Healthcare Professional if you have any questions.

Screenshots

BlueStar Diabetes4 screens
iSage Rx4 screens

Verdict

The call

The clearest difference is rating: iSage Rx at 4.8 against BlueStar Diabetes's 4.2. BlueStar Diabetes's advantage is ratings volume (125 vs 15) and device support (3 vs 1). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

iSage Rx holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: BlueStar Diabetes has 125 ratings behind it against 15, so its average is the more settled of the two.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on August 25, 2026 and June 5, 2026 respectively.

Scorecard4 real differences · 6 level
BlueStar Diabetes versus iSage Rx: the parameters behind the verdict, then further details
ParameterBlueStar DiabetesiSage Rx
PriceFreeFree
Rating4.2 (125 ratings)4.8 (15 ratings) — better
Positive reviews58.0% of reviews—
Number of ratings125 — better15
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPod, Apple Watch — betteriPhone
Requires iOS14.0 — better16.0
Further details — not scored
Size119 MB35 MB
Age rating17+17+
DeveloperWellDoc, Inc.Amalgam Rx, Inc.

Customer experience

BlueStar Diabetes

All ratings125 ratings
Positive78.4%
Neutral8.0%
Negative13.6%
Written reviews50 reviews
Positive58.0%
Neutral6.0%
Negative36.0%

iSage Rx

All ratings15 ratings
Positive93.3%
Neutral0.0%
Negative6.7%

In-app purchases

None

BlueStar Diabetes

No in-app purchases

None

iSage Rx

No in-app purchases

Questions

Is BlueStar Diabetes free?
BlueStar Diabetes is free to download, with no in-app purchases.
Is iSage Rx free?
iSage Rx is free to download, with no in-app purchases.
Which has better reviews, BlueStar Diabetes or iSage Rx?
iSage Rx is rated higher. BlueStar Diabetes averages 4.2 out of 5 from 125 ratings, while iSage Rx averages 4.8 from 15 ratings.
Do BlueStar Diabetes or iSage Rx have ads?
Neither BlueStar Diabetes nor iSage Rx shows ads.
Which is updated more often, BlueStar Diabetes or iSage Rx?
BlueStar Diabetes ships an update every 2 months, and iSage Rx every 2 months. Most recently, BlueStar Diabetes was updated on August 25, 2026 and iSage Rx on June 5, 2026.

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