# Tandem t vs Dexcom G7

Tandem t and Dexcom G7 both sit at 3.1 stars, but that hides the real split: 37% of Tandem t's written reviews are positive against 15% of Dexcom G7's. Dexcom G7's advantage is chart position (#26 vs unranked) and ratings volume (8.9K vs 2.2K). On price, rating, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 3.1 for Tandem t against 3.1 for Dexcom G7. Both are backed by a comparable volume of ratings — 2.2K and 8.9K respectively. Written reviews are what separate them: 37% of Tandem t's written reviews are positive against 15% of Dexcom G7's.

Tandem t ships an update every 2 months, Dexcom G7 every 6 weeks. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Tandem t | Dexcom G7 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (2.2K ratings)](https://appshunter.io/ios/app/tandem-tslim-mobile-app/id1455916023/reviews) | **[3.1 (8.9K ratings)](https://appshunter.io/ios/app/dexcom-g7/id1569432518/reviews)** |
| Number of ratings | 2.2K | **8.9K** |
| Positive reviews | **36.7% of reviews** | 15.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Best chart rank | — | **#26** |
| Size | 157 MB | 599 MB |
| Requires iOS | **18.0** | 18.6 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Tandem Diabetes Care, Inc.](https://appshunter.io/developer/955568376) | [DexCom, Inc.](https://appshunter.io/developer/457035738) |

## What reviewers say

### Tandem t

[App page](https://appshunter.io/ios/app/tandem-tslim-mobile-app/id1455916023)

This app acts as a smartphone companion for a specific insulin pump, allowing users to deliver insulin doses and view pump data remotely. It provides discreet access to essential information and notifications, enhancing convenience for pump users.

**Highlights:** Deliver bolus from smartphone, Discreet secondary pump display, View pump data and notifications, Wirelessly upload therapy data, Smartphone language support

**In-app purchases:** none

**What reviewers like**

- 🚀 Convenient mobile bolus
- 📊 Helpful data visualization
- 🤳 Discreet pump management
- 🔋 Reasonable battery impact
- 🎉 Game-changing technology

**What reviewers complain about**

- 🔌 Frequent connection issues
- 🕰️ Annoying time mismatch alerts
- 🔒 Limited pump control
- 🔍 Missing key features (extended bolus, alarms)
- 🐛 Buggy and unstable at times

**Reported bugs**

- App crashes on launch
- Pump battery draining rapidly
- Glucose data not syncing properly
- Repeated connection losses

**Requested features**

- Add extended bolus capability
- Allow clearing of pump alarms from app
- Integrate with Apple Health/Watch
- Expand data history and customization
- Improve app stability and reliability


### Dexcom G7

[App page](https://appshunter.io/ios/app/dexcom-g7/id1569432518)

**Currently charting:** #26 Top Free · Medical (US App Store)

This app provides real-time glucose monitoring for diabetes management. It offers customizable alerts for high or low glucose levels and allows sharing data with loved ones and healthcare teams. Integrates with smartwatches and other health apps for comprehensive insights.

**Highlights:** Real-time glucose monitoring, Customizable high/low glucose alerts, Data sharing with followers, Integration with healthcare teams, Apple Watch connectivity, Digital health app integrations, Fasting glucose logging

**Features:** Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 🚀 Quick sensor warmup time
- 🌟 Smaller and more comfortable sensor
- 🔍 Accurate glucose readings
- 📊 Clarity integration in the app
- 🕰️ 12-hour grace period before sensor expiration

**What reviewers complain about**

- 🔌 Frequent signal loss and connection issues
- 🔔 Obnoxious and disruptive alert sounds
- 🧭 Lack of customization for alert settings
- 🔍 Inconsistent and inaccurate readings at times
- 🧠 Confusing and unintuitive app interface

**Reported bugs**

- App freezes when accessing the Connections tab
- Calibration process often gets stuck or fails
- Sensor failure and disconnection issues
- Inconsistent behavior with low power mode and screen time
- Location-based restrictions preventing app setup

**Requested features**

- Add a widget for quick glucose level access
- Improve Apple Watch integration and functionality
- Allow customization of target glucose ranges
- Provide more detailed historical data and reporting
- Implement a dark mode for better visibility


## Frequently asked questions

### Is Tandem t free?

Tandem t is free to download, with no in-app purchases.

### Is Dexcom G7 free?

Dexcom G7 is free to download, with no in-app purchases.

### Which has better reviews, Tandem t or Dexcom G7?

Dexcom G7 is rated higher. Tandem t averages 3.1 out of 5 from 2.2K ratings, while Dexcom G7 averages 3.1 from 8.9K ratings.

### Do Tandem t or Dexcom G7 have ads?

Neither Tandem t nor Dexcom G7 shows ads.

### Which is updated more often, Tandem t or Dexcom G7?

Tandem t ships an update every 2 months, and Dexcom G7 every 6 weeks. Most recently, Tandem t was updated on November 6, 2026 and Dexcom G7 on November 8, 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.*
