Comparison

BlueStar Diabetes vs Happy Bob

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

Happy Bob

This app transforms diabetes data into engaging experiences, connecting with CGMs to help users stay in range and reduce management stress. It offers fun glucose tracking, motivating goals, and community support, designed by people with diabetes for a more personal approach.

Highlights
  • Connects with CGMs (Dexcom, FreeStyle Libre)
  • Fun glucose tracking with personalized messages
  • Motivating goal setting with star rewards
  • Community support with diabuddies
  • Apple Health and Apple Watch integration
  • Monthly challenges for healthy habits
  • Pregnancy & Diabetes support (Premium)
Features
Read full description

Feel better about your diabetes!
 Happy Bob is your personal digital health companion that connects with your continuous glucose monitor and turns your diabetes data into motivating, friendly, and fun experiences — helping you stay in range while reducing the stress of daily diabetes management. Designed by people with diabetes, Happy Bob helps you feel like a person, not a patient. Supported Data Sources • Dexcom G6, Dexcom G7, and Dexcom ONE+
 → Real-time glucose updates delivered instantly through Happy Bob.
 • FreeStyle Libre 1, 2, 3, and 3+ (U.S. only)
 → Data available with a slight delay and intended for wellness purposes only.
 When used with Abbott’s Continuous Glucose Monitoring Systems, Happy Bob is intended for non-medical use for wellness purposes only. The information displayed is for reference and you must use your Abbott CGM reader or display device for diabetes management decisions. Why Happy Bob? • Glucose tracking made fun: Your values come with humorous, personalized messages that reduce data anxiety. • Motivating goals: Set a star target and collect stars for every in-range reading. • Community support: Create a group with your diabuddies, share data, and cheer each other on. • Apple Health integration: Sync steps and activity for a more complete view of your day. • Apple Watch compatibility: Check glucose at a glance—plus a smile from Bob. • Dexcom real-time compatible and supportive of FreeStyle Libre (wellness-only). New Features • Monthly Challenges  Stay motivated with monthly glucose and activity challenges designed to help you build healthy habits one month at a time. • Happy Mom — Support for Pregnancy & Diabetes A dedicated experience supporting people who are pregnant or planning pregnancy while managing Type 1, Type 2, or gestational diabetes. Available with Premium Subscription.  Happy Bob Premium – Try Free for 7 Days! Free version of Happy Bob can be used to connect to CGMs and view basic glucose data. To unlock the full experience upgrade to Premium version: •Multiple funny moods — each with a unique character and tone of voice that reacts to your glucose values. (including fan-favorite Snarky Bob) • In-app glucose & activity statistics • Dashboard for simplified data insights What our users are saying: “Happy Bob helps take the stress out of daily diabetes management.” “I’ve been a Type 1 diabetic for 35 years—never has trying to keep my blood sugars in range been so much fun!” “My 9-year-old LOVES Snarky Bob! She loves trying to earn stars.” “Best thing ever since they invented CGMs.” “He is always there to remind you of your numbers.” Who is Happy Bob for? • People with Type 1, Type 2, Gestational, or Prediabetes • Caregivers • Healthcare providers – Supports data sharing between patients and care teams for improved remote engagement. • Diabetes advocacy organizations Subscription Free 7-day trial with Premium subscription. Monthly and yearly plans available. Pricing varies by region. Manage auto-renewal in iTunes Account Settings. About Happy Bob Built by people with diabetes, for people with diabetes. Our mission is to support you in feeling like a person—not just a patient—every step of the way. Note: The data displayed in this app is for informational purposes only and should not be used for medical decisions. FreeStyle Libre data is intended for non-medical wellness use and may be delayed.
 Terms of Use: https://happybob.app/terms-of-use
 Privacy Policy: https://happybob.app/privacy-policy

Screenshots

BlueStar Diabetes4 screens
Happy Bob4 screens

Verdict

The call

The clearest difference is rating: Happy Bob at 4.7 against BlueStar Diabetes's 4.2. Happy Bob also leads on update cadence (every 3 weeks vs every 2 months) and ratings volume (1.1K vs 125). BlueStar Diabetes's advantage is in-app purchases (none vs 6). On price, ads, device support and iOS requirement 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. Happy Bob sells 6 in-app purchases, starting at $7.99 per month. BlueStar Diabetes asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Happy Bob holds the better App Store score, 4.7 against 4.2. That said, the two scores are not equally well evidenced: Happy Bob has 1.1K ratings behind it against 125, so its average is the more settled of the two. Written reviews point the same way: 58% of BlueStar Diabetes's written reviews are positive against 68% of Happy Bob's.

UpkeepUpdate frequency

BlueStar Diabetes ships an update every 2 months, Happy Bob every 3 weeks. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

Scorecard6 real differences · 4 level
BlueStar Diabetes versus Happy Bob: the parameters behind the verdict, then further details
ParameterBlueStar DiabetesHappy Bob
PriceFreeFree
Rating4.2 (125 ratings)4.7 (1.1K ratings) — better
Positive reviews58.0% of reviews68.0% of reviews — better
Number of ratings1251.1K — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPod, Apple WatchiPhone, iPod, Apple Watch
Requires iOS14.0 — better15.6
Further details — not scored
Size119 MB35 MB
Age rating17+4+
DeveloperWellDoc, Inc.Harald AI

Customer experience

BlueStar Diabetes

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

Happy Bob

All ratings1,134 ratings
Positive92.7%
Neutral2.5%
Negative4.9%
Written reviews153 reviews
Positive68.0%
Neutral11.1%
Negative20.9%

User reviews

BlueStar Diabetes

From 125 App Store ratings

What we love

  • 👍 Great for managing diabetes
  • 👍 Helps lower A1C and weight
  • 👍 Provides immediate feedback and explanations
  • 👍 Useful for meal planning and tracking
  • 👍 Good for record keeping

Room to improve

  • 🐛 Frequent crashes and glitches
  • 🐛 Syncing issues with meters
  • 🐛 Inconsistent Bluetooth connectivity
  • 🐛 Annoying and repetitive permission requests
  • 🐛 Limited food list for carb counting

Happy Bob

From 1.1K App Store ratings

What we love

  • 🚀 Motivational
  • 🚀 Helpful for managing diabetes
  • 👍 Fun and engaging
  • 👍 Cute characters and personalities
  • 👍 Provides encouragement and positivity

Room to improve

  • 🐛 Occasional glitches or syncing issues
  • 💰 Expensive subscription
  • 💬 Some comments can be too snarky or inappropriate for children

Bugs and requests

BlueStar Diabetes

Reported bugs

9 issues
  • Unable to sync One Touch Verio Reflect meters
  • App crashes when using recent foods for logging
  • App crashes upon opening
  • Bluetooth sync errors
  • App crashes during sign-up process
Show 4 more
  • App requires reinstallation for food information issues
  • App acts like a new user on each login
  • Unable to log both short term and long term insulin doses after update
  • App will not load or configure in Canada

Requested features

8 requests
  • Fix backend software issues causing sync problems
  • Improve serving size breakdown for foods
  • Allow users to set preferences for notifications/access
  • Make app available to general public without insurance
  • Enable data sharing with Apple Health
Show 3 more
  • Add captioning for videos
  • Improve the food tracking portion of the app
  • Allow viewing of the whole week's data at a glance

Happy Bob

Reported bugs

3 issues
  • App not working after recent update
  • Login issues for some users
  • Delayed or inaccurate data sync

Requested features

4 requests
  • Ability to customize or choose different characters
  • Integration with other CGM devices like Libre
  • More positive and understanding feedback, especially for minor blood sugar fluctuations
  • Option to silence notifications during certain times of day

In-app purchases

None

BlueStar Diabetes

No in-app purchases

6 purchases

Happy Bob

Subscriptions4
  • Monthly Premium7 Days trial$7.991 Month
  • Monthly Coach+$69.001 Month
  • Yearly Premium7 Days trial$69.991 Year
Show 1 more
  • Yearly Coach+$699.001 Year
One-time2
  • Robert S. Pumpkins$0.99
  • Frosty Bob$0.99

Questions

Is BlueStar Diabetes free?
BlueStar Diabetes is free to download, with no in-app purchases.
Is Happy Bob free?
Happy Bob is free to download, with in-app purchases available.
Which has better reviews, BlueStar Diabetes or Happy Bob?
Happy Bob is rated higher. BlueStar Diabetes averages 4.2 out of 5 from 125 ratings, while Happy Bob averages 4.7 from 1.1K ratings.
Do BlueStar Diabetes or Happy Bob have ads?
Neither BlueStar Diabetes nor Happy Bob shows ads.
Which is updated more often, BlueStar Diabetes or Happy Bob?
BlueStar Diabetes ships an update every 2 months, and Happy Bob every 3 weeks. Most recently, BlueStar Diabetes was updated on October 7, 2026 and Happy Bob on October 15, 2026.

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