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Best Tandem T Slim Apps

7+ iOS apps curated and reviewed

4.1 avg rating
7 free apps
Updated August 2026

The best tandem t slim apps on iPhone average 4.1★ across 7+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top Tandem T Slim Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Tandem t:slim Mobile AppTandem t:slim Mobile AppFree3.1★ (2.1K)NoNoSep 2026
2t:simulator™ Appt:simulator™ AppFree3.6★ (116)NoNoAug 2026
3Tandem Mobi® mobile appTandem Mobi® mobile appFree3.3★ (220)NoNoSep 2026
4Dexcom ClarityDexcom ClarityFree4.6★ (13K)NoNoSep 2026
5eDocketseDocketsFree—NoNoAug 2026
6PrivacyBlurPrivacyBlurFree5.0★ (1)NoNoMay 2026
7Whip Around - DVIRWhip Around - DVIRFree4.7★ (3.3K)NoNoSep 2026

Top Picks for Tandem T Slim

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
t:simulator™ App#2

t:simulator™ App by Tandem Diabetes Care Inc.

Strong Contender
🏥 Medical
3.6😐(116 ratings)
Free
t:simulator™ App screenshot 1
t:simulator™ App screenshot 2
t:simulator™ App screenshot 3

Explore the features of an insulin pump's touchscreen interface without needing a prescription. This app is ideal for individuals with diabetes, their caregivers, or healthcare professionals to understand pump functionality.

What We Love

  • 👍 Great for education and training
  • 👍 Realistic pump interface replica
  • 👍 Useful for pre-pump decision making
  • 👍 Easy to use and understand
  • 👍 Helpful for understanding the pump
  • 👍 Good for familiarization before getting the pump
  • 👍 Allows testing features before purchase
  • 👍 Simplifies pump operation understanding

Room to Improve

  • 🐛 Simulator not interactive
  • 🐛 Doesn't simulate real-world issues (occlusions)
  • 🐛 Lacks confirmation screens and alarms
  • 🐛 Not a true simulation of pump usage
  • 🐛 Only shows basic functions
  • 🐛 App crashes frequently
  • 🐛 Incompatible with newer iOS versions
  • 🐛 Lagging and not working properly
  • 🐛 Algorithm is fundamentally flawed
  • 🐛 Ignores insulin on board
  • 🐛 Causes unnecessary highs and lows
  • 🐛 No customer feedback mechanism
  • 🐛 Substandard product
  • 🐛 Not available in Canada/Europe
  • 🐛 USBC Lightning adapter needed for iPad
  • 🐛 Primarily aimed at selling CGM
  • 🐛 Doesn't display in mg/dl
  • 🐛 Can't control pump via Bluetooth
  • 🐛 Doesn't update frequently
  • 🐛 Useless app
  • 🐛 Simulator doesn't work
  • 🐛 Horrible experience
  • 🐛 Doesn't work like a real pump
Tandem Mobi® mobile app#3

Tandem Mobi® mobile app by Tandem Diabetes Care Inc.

Tandem Mobi System
Worth Considering
🏥 Medical
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

More Tandem T Slim apps to explore

FAQ about Tandem T Slim

What are the best tandem t slim apps for iPhone?
Tandem t:slim Mobile App tops our tandem t slim apps ranking as of August 2026, with a 3.1-star average from 2.1K App Store ratings, and it's free to download.
Yes — 7 of the top tandem t slim apps we rank are free to download, including Tandem t:slim Mobile App and t:simulator™ App.
Tandem t:slim Mobile App has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 7+ tandem t slim apps on the iOS App Store as of August 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.