# Dexcom G6 vs Tandem Mobi® mobile app

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

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.

## The numbers

| Metric | Dexcom G6 | Tandem Mobi® mobile app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (9.1K ratings)](https://appshunter.io/ios/app/dexcom-g6/id1209262925/reviews) | **[3.3 (252 ratings)](https://appshunter.io/ios/app/tandem-mobi-mobile-app/id6449297027/reviews)** |
| Number of ratings | **9.1K** | 252 |
| Positive reviews | 34.1% of reviews | **39.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 66 MB | 153 MB |
| Requires iOS | 18.6 | **18.0** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [DexCom, Inc.](https://appshunter.io/developer/457035738) | [Tandem Diabetes Care, Inc.](https://appshunter.io/developer/955568376) |

## What reviewers say

### Dexcom G6

[App page](https://appshunter.io/ios/app/dexcom-g6/id1209262925)

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:** Apple Watch app

**In-app purchases:** none

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

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

**Requested features**

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


### Tandem Mobi® mobile app

[App page](https://appshunter.io/ios/app/tandem-mobi-mobile-app/id6449297027)

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

**In-app purchases:** none

**What reviewers like**

- 🚀 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

**What reviewers complain about**

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

**Reported bugs**

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

**Requested features**

- 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


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*