Comparison

Dexcom G6 vs Tandem Mobi® mobile app

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

Head to head
About

Dexcom G6

Monitor your glucose levels in real-time with continuous glucose monitoring. Receive personalized alerts for high or low glucose, and share your data with loved ones. This app is designed for individuals managing diabetes with compatible CGM systems.

Highlights
  • Real-time glucose readings
  • Personalized trend alerts
  • Customizable alert schedules
  • Share glucose data with followers
  • Health app integration
  • Apple Watch app support
Features
Read full description

Only use this app if you have the Dexcom G6 or G6 Pro CGM Systems. Always know your glucose number and where it’s heading with the Dexcom G6 and G6 Pro Continuous Glucose Monitoring (CGM) Systems –indicated for diabetes treatment decisions with zero fingersticks and no calibration.* Before you start making treatment decisions with your G6 or G6 Pro, work with your healthcare provider to learn how. *Fingersticks required for diabetes management decisions if symptoms do not match readings. Always know your glucose number with just a quick glance at your compatible smartphone or smartwatch. For a list of compatible devices visit www.dexcom.com/compatibility. Dexcom G6 and G6 Pro provide real-time glucose readings for patients with type 1 or type 2 diabetes every five minutes. Dexcom G6 and G6 Pro are indicated for children, age 2 years and older. The Dexcom G6 and G6 Pro Systems provide personalized trend alerts on your smart device and let you see when your glucose levels are going too low, or too high, so you can better manage your diabetes. The Alert Schedule** feature lets you schedule and customize a second set of alerts. Custom alert sounds are available, including a Vibrate-Only option on the phone for glucose alerts. The only exception is the Urgent Low Alarm, which you can’t turn off. The Always Sound** setting, which is on by default, allows you to receive certain Dexcom CGM Alerts even if your phone sound is off, set to vibrate, or in Do Not Disturb mode. This allows you to silence calls or texts but still receive audible CGM Alarm and Alerts, including the Urgent Low Alarm, Low and High Glucose alerts, Urgent Low Soon Alert**, and Rise and Fall Rate alerts**. A Home screen icon shows you if your Alerts will sound or not. For safety, the Urgent Low Alarm and three alerts can’t be silenced: Transmitter Failed, Sensor Failed, and App Stopped. Other features: • Share** your glucose data with up to ten followers in real time. Followers can monitor your glucose data and trends in real time on their compatible smart device with the Dexcom Follow** app. Share and Follow functions require an internet connection • Health app access so you can share retrospective glucose data with third party apps • Today View widget allows you to view your glucose data on the lock screen of your smart device • Add a shortcut to Siri to run by asking Siri to read your current glucose value, using a custom phrase **Not available on Dexcom G6 Pro CGM System Apple Watch View your glucose information, trend graph, and alerts and alarm right from your wrist with the Dexcom G6 Apple Watch app. Watches require compatible smart device to use app. Customer Reviews This app store should not be used as your first point of contact to resolve technical or customer services issues. In order to protect your privacy and personal information, and promptly resolve any technical or customer services issues you are having with any Dexcom product, please contact 1-888-738-3646 or www.dexcom.com/tech-support. Dexcom is required to follow up with customers regarding product-related complaints. If Dexcom determines that your comment/complaint requires follow up, a technical support representative will attempt to contact you to gather more information regarding your comment/complaint. Dexcom is a registered trademark in the US.

About

Tandem Mobi® mobile app

This app controls a small, durable automated insulin delivery system. It offers convenience and discretion, allowing users to manage their diabetes directly from a compatible iPhone. Prescription required for use.

Highlights
  • Automated insulin delivery control
  • Small and durable system
  • iPhone controllable
  • Discreet operation
  • Requires prescription
Read full description

Tandem Mobi is the world’s smallest, durable automated insulin delivery system.1 Impressively small and offering next-level convenience and discretion, Tandem Mobi is controllable with a compatible, personal iPhone.* Use of the Tandem Mobi mobile app requires a prescription. Always consult a healthcare professional for information about how to manage diabetes. Features * Mobile Control: The Tandem Mobi system is controllable from a compatible, personal iPhone, offering discreet and convenient access to therapy data and pump functions* * Advanced Therapy Visualization: View a 24-hour graphical representation of glucose readings (CGM and BGM), basal and bolus events, insulin on board, carbohydrate intake, suspensions, and other therapy-related data * Pump Status Monitoring: Real-time visibility into pump battery level, available insulin, active Personal Profile, CGM sensor and transmitter status, and more * Customizable User Experience: Personal Profiles and activity settings allow users to tailor therapy to their lifestyle, with enhanced personalization features * AutoBolus: The only system with AutoBolus to help with missed meal boluses and preventing hyperglycemia† * Seamless Data Sync: Wireless data uploads to the Tandem Source platform to ensure therapy data is securely backed up and accessible‡ ALWAYS READ THE LABEL AND FOLLOW THE DIRECTIONS FOR USE. The electronic instructions for use for the Tandem Mobi mobile app (Basic UDI-DI: 00389152690940) can be accessed through the Tandem Mobi user guide, available here: https://www.tandemdiabetes.com/support/resources/documents. Upon request, a printed copy of the user guide can be provided within seven days at no additional cost. If the language set on your smartphone is supported by the mobile app, then the mobile app will display in that language. If the language set on your smartphone is not supported by the mobile app, then the mobile app will display in English. *The mobile app requires a compatible smartphone model and operating system (sold separately). †If glucose values are predicted to be above 180 mg/dL (or 10.0 mmol/L), Control-IQ+ technology calculates an AutoBolus using the Personal Profile settings and a target of 110 mg/dL (or 6.1 mmol/L) and delivers 60% of that value. ‡Uploads to the Tandem Source platform do not take place in real time and should not be relied upon by healthcare providers, pump users, or caregivers for remote patient monitoring. Standard carrier data rates may apply. Smartphone sold separately. Reference 1. As of Dec., 2025. Data on file, Tandem Diabetes Care.

Screenshots

Dexcom G64 screens
Tandem Mobi® mobile app4 screens

Verdict

The call

The clearest difference is ratings volume: Dexcom G6 at 9.1K against Tandem Mobi® mobile app's 252. On price, rating, review sentiment and update cadence 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

Tandem Mobi® mobile app holds the better App Store score, 3.3 against 3.1. That said, the two scores are not equally well evidenced: Dexcom G6 has 9.1K ratings behind it against 252, so its average is the more settled of the two. Written reviews point the same way: 34% of Dexcom G6's written reviews are positive against 39% of Tandem Mobi® mobile app's.

UpkeepUpdate frequency

Dexcom G6 ships an update every 4 months, Tandem Mobi® mobile app every 2 months. The most recent releases landed on November 5, 2026 and November 3, 2026 respectively.

Scorecard1 real difference · 9 level
Dexcom G6 versus Tandem Mobi® mobile app: the parameters behind the verdict, then further details
ParameterDexcom G6Tandem Mobi® mobile app
PriceFreeFree
Rating3.1 (9.1K ratings)3.3 (252 ratings) — better
Positive reviews34.1% of reviews39.1% of reviews — better
Number of ratings9.1K — better252
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, Apple Watch — betteriPhone
Requires iOS18.618.0 — better
Further details — not scored
Size66 MB153 MB
Age rating4+4+
DeveloperDexCom, Inc.Tandem Diabetes Care, Inc.

Customer experience

Dexcom G6

All ratings9,014 ratings
Positive46.9%
Neutral12.9%
Negative40.2%
Written reviews293 reviews
Positive34.1%
Neutral12.6%
Negative53.2%

Tandem Mobi® mobile app

All ratings144 ratings
Positive58.3%
Neutral15.3%
Negative26.4%
Written reviews138 reviews
Positive39.1%
Neutral24.6%
Negative36.2%

User reviews

Dexcom G6

From 9.1K App Store ratings

What we love

  • 🚀 Continuous glucose monitoring
  • 📈 Helpful for managing diabetes
  • 🤝 Shares data with others
  • 🔋 Long-lasting sensor

Room to improve

  • 🔊 Overly loud alerts
  • 🔄 Frequent signal loss
  • 🤯 Inconsistent accuracy
  • 📱 App crashes and bugs
  • 🕰️ Short sensor lifespan

Tandem Mobi® mobile app

From 252 App Store ratings

What we love

  • 🚀 Great for reducing high and low blood glucose levels
  • 🚀 Helps keep you in range
  • 🚀 Smaller and lighter pump
  • 👍 Easy to use app
  • 👍 Mostly intuitive to use

Room to improve

  • 🐛 Frequent connection issues with CGM
  • 🐛 Graph data disappearing
  • 🐛 Unreliable app performance
  • 🔕 Excessive and repetitive notifications
  • 🔕 Inability to customize notifications

Bugs and requests

Dexcom G6

Reported bugs

3 issues
  • App unable to reconnect after signal loss
  • Calibration issues and errors
  • Notifications not working as expected

Requested features

4 requests
  • Add notes for carbs and exercise
  • Customizable alert settings
  • Improved Apple Watch integration
  • Dark mode option

Tandem Mobi® mobile app

Reported bugs

4 issues
  • Frequent disconnections between pump and app
  • Graph data disappearing
  • Incompatibility with newer iPhone models
  • Bolus timeout issues

Requested features

7 requests
  • Longer stop delivery alarm delay
  • Ability to set exercise and activity timers
  • More customization options for notifications
  • Apple Watch app integration
  • Home screen and lock screen widgets
Show 2 more
  • Siri integration for checking glucose levels
  • Ability to view total daily dose in app

In-app purchases

None

Dexcom G6

No in-app purchases

None

Tandem Mobi® mobile app

No in-app purchases

Questions

Is Dexcom G6 free?
Dexcom G6 is free to download, with no in-app purchases.
Is Tandem Mobi® mobile app free?
Tandem Mobi® mobile app is free to download, with no in-app purchases.
Which has better reviews, Dexcom G6 or Tandem Mobi® mobile app?
Tandem Mobi® mobile app is rated higher. Dexcom G6 averages 3.1 out of 5 from 9.1K ratings, while Tandem Mobi® mobile app averages 3.3 from 252 ratings.
Do Dexcom G6 or Tandem Mobi® mobile app have ads?
Neither Dexcom G6 nor Tandem Mobi® mobile app shows ads.
Which is updated more often, Dexcom G6 or Tandem Mobi® mobile app?
Dexcom G6 ships an update every 4 months, and Tandem Mobi® mobile app every 2 months. Most recently, Dexcom G6 was updated on November 5, 2026 and Tandem Mobi® mobile app on November 3, 2026.

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