Comparison

Dexcom G6 Simulator 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

Dexcom G6 Simulator

This app simulates the features and scenarios of a continuous glucose monitoring system. It showcases sample data, trend displays, and setup options without using live patient information.

Highlights
  • CGM scenario samples
  • Trend displays
  • Setup feature examples
  • Simulation only
  • No live data
Read full description

Dexcom G6 Simulator app highlights features from the Dexcom G6 CGM System. The simulator displays samples of CGM scenarios, trends, and various setup features associated with the Dexcom G6 CGM App. This app is for simulation purposes only and contains no live CGM data.

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

Dexcom G6 Simulator4 screens
Happy Bob4 screens

Verdict

The call

The clearest difference is review sentiment: Happy Bob at 69% against Dexcom G6 Simulator's 5%. Happy Bob also leads on rating (4.7 vs 3.2) and update cadence (every 3 weeks vs every 7 months). Dexcom G6 Simulator's advantage is in-app purchases (none vs 6) and iOS requirement (9.0 vs 15.6). On price, ads 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. Happy Bob sells 6 in-app purchases, starting at $7.99 per month. Dexcom G6 Simulator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Happy Bob holds the better App Store score, 4.7 against 3.2. That said, the two scores are not equally well evidenced: Happy Bob has 1.1K ratings behind it against 70, so its average is the more settled of the two. Written reviews point the same way: 5% of Dexcom G6 Simulator's written reviews are positive against 69% of Happy Bob's.

UpkeepUpdate frequency

Dexcom G6 Simulator ships an update every 7 months, Happy Bob every 3 weeks. The most recent releases landed on October 1, 2026 and October 3, 2026 respectively.

Scorecard7 real differences · 3 level
Dexcom G6 Simulator versus Happy Bob: the parameters behind the verdict, then further details
ParameterDexcom G6 SimulatorHappy Bob
PriceFreeFree
Rating3.2 (70 ratings)4.7 (1.1K ratings) — better
Positive reviews5.3% of reviews68.6% of reviews — better
Number of ratings701.1K — better
Update frequencyEvery 7 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPodiPhone, iPod, Apple Watch — better
Requires iOS9.0 — better15.6
Further details — not scored
Size41 MB35 MB
Age rating4+4+
DeveloperDexcomHarald AI

Customer experience

Dexcom G6 Simulator

All ratings70 ratings
Positive54.3%
Neutral7.1%
Negative38.6%
Written reviews19 reviews
Positive5.3%
Neutral15.8%
Negative78.9%

Happy Bob

All ratings1,134 ratings
Positive92.7%
Neutral2.5%
Negative4.9%
Written reviews153 reviews
Positive68.6%
Neutral11.1%
Negative20.3%

Bugs and requests

Dexcom G6 Simulator

Not enough reviews yet to summarise bugs or requests.

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

Dexcom G6 Simulator

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 Dexcom G6 Simulator free?
Dexcom G6 Simulator 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, Dexcom G6 Simulator or Happy Bob?
Happy Bob is rated higher. Dexcom G6 Simulator averages 3.2 out of 5 from 70 ratings, while Happy Bob averages 4.7 from 1.1K ratings.
Do Dexcom G6 Simulator or Happy Bob have ads?
Neither Dexcom G6 Simulator nor Happy Bob shows ads.
Which is updated more often, Dexcom G6 Simulator or Happy Bob?
Dexcom G6 Simulator ships an update every 7 months, and Happy Bob every 3 weeks. Most recently, Dexcom G6 Simulator was updated on October 1, 2026 and Happy Bob on October 3, 2026.

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