Best Tandem Diabetes Apps

250+ iOS apps curated and reviewed

4.3 avg rating
18 free apps
Updated September 2026

From beginner-friendly picks to power-user tools, our tandem diabetes list covers 250+ iPhone apps updated through September 2026. Compare ratings, prices, and screenshots in one place.

Compare top Tandem Diabetes Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Tandem t:slim Mobile AppTandem t:slim Mobile AppFree3.1★ (2.1K)NoNoSep 2026
2Tandem Mobi® mobile appTandem Mobi® mobile appFree3.3★ (220)NoNoSep 2026
3Sugarmate by TandemSugarmate by TandemFree4.7★ (15K)NoNoSep 2026
4Dexcom ClarityDexcom ClarityFree4.6★ (13K)NoNoSep 2026
5t:simulator™ Appt:simulator™ AppFree3.6★ (116)NoNoAug 2026
6Glooko - Track Diabetes DataGlooko - Track Diabetes DataFree4.7★ (9.7K)NoNoSep 2026
7TandemTandemFreeNoYesAug 2026
8Gluroo Diabetes LoggerGluroo Diabetes LoggerFree4.7★ (1.9K)NoNoSep 2026

Top Picks for Tandem Diabetes

Tandem t:slim Mobile App#1

Tandem t:slim Mobile App by Tandem Diabetes Care Inc.

t:slim X2 insulin pump
Editor's Choice
🏥 Medical
3.1😐(2.1K ratings)
Free
Tandem t:slim Mobile App screenshot 1
Tandem t:slim Mobile App screenshot 2
Tandem t:slim Mobile App screenshot 3
Tandem t:slim Mobile App screenshot 4
Tandem t:slim Mobile App screenshot 5

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.

What We Love

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

Room to Improve

  • 🔌 Frequent connection issues
  • 🕰️ Annoying time mismatch alerts
  • 🔒 Limited pump control
  • 🔍 Missing key features (extended bolus, alarms)
  • 🐛 Buggy and unstable at times
3.3😐(220 ratings)
Free
Tandem Mobi® mobile app screenshot 1
Tandem Mobi® mobile app screenshot 2
Tandem Mobi® mobile app screenshot 3
Tandem Mobi® mobile app screenshot 4
Tandem Mobi® mobile app screenshot 5

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.

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
  • 👍 Integrated app and pump control
  • 👍 Improved A1C levels

Room to Improve

  • 🐛 Frequent connection issues with CGM
  • 🐛 Graph data disappearing
  • 🐛 Unreliable app performance
  • 🔕 Excessive and repetitive notifications
  • 🔕 Inability to customize notifications
  • 🔕 Loud alarms that can't be silenced
  • 🔕 Inconvenient to clear alarms
  • 🔕 Lack of total daily dose information in app
Sugarmate by Tandem#3

Sugarmate by Tandem by Tandem Diabetes Care Inc.

Maximize Your CGM Data
Worth Considering
🏥 Medical
4.7😊(15K ratings)
Free
Sugarmate by Tandem screenshot 1
Sugarmate by Tandem screenshot 2
Sugarmate by Tandem screenshot 3
Sugarmate by Tandem screenshot 4
Sugarmate by Tandem screenshot 5
Sugarmate by Tandem screenshot 6

This app helps individuals manage diabetes by providing tools to maximize continuous glucose monitor (CGM) data. It offers enhanced visualizations, a digital diary for logging trends, and customizable alerts. Data can also be shared with loved ones.

What We Love

  • 🚀 Comprehensive diabetes management
  • 📊 Detailed data analysis and reporting
  • 📞 Urgent low blood sugar alerts and phone calls
  • 🔗 Seamless integration with Dexcom and Apple Watch
  • 👍 User-friendly and intuitive interface
  • 💡 Innovative features not found in other apps

Room to Improve

  • 🐛 Frequent app crashes and glitches
  • 🔁 Inconsistent data sync and update issues
  • 🕰️ Slow response times and lags
  • 🔒 Concerns about data privacy and security
  • 🌐 Limited functionality for non-US users

More Tandem Diabetes apps to explore

FAQ about Tandem Diabetes

What are the best tandem diabetes apps for iPhone?
Tandem t:slim Mobile App tops our tandem diabetes apps ranking as of September 2026, with a 3.1-star average from 2.1K App Store ratings, and it's free to download.
Yes — 18 of the top tandem diabetes apps we rank are free to download, including Tandem t:slim Mobile App and Tandem Mobi® mobile app.
Tandem t:slim Mobile App has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 250+ tandem diabetes apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
The app serves as a smartphone companion for the t:slim X2 insulin pump. It allows users to deliver insulin boluses directly from their phone, view pump data, and receive notifications. It also offers a discreet secondary display for pump status and can wirelessly upload therapy data to the cloud.
Key features include the ability to deliver a bolus from your smartphone, use your phone as a discreet secondary display for the pump, view pump data and receive push notifications, and wirelessly upload pump therapy data to the cloud. The app also supports smartphone language settings.

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