Comparison

t vs T1 Life

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

Head to head
About

t

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.

Highlights
  • Explore touchscreen interface
  • Demonstrates pump features
  • No prescription required
  • Educational tool
  • Mobile device compatible
Features
Read full description

The t:simulator™ App is an easy way to explore the simple touchscreen interface of the t:slim X2™ Insulin Pump from Tandem Diabetes Care, no prescription or insurance verification required! Whether you’re a person living with diabetes, a relative or caregiver, or a healthcare provider, we make it simple to explore the t:slim X2 Pump’s features on your mobile device. THIS APPLICATION IS FOR DEMONSTRATION PURPOSES ONLY. IT SHOULD NOT BE USED FOR THERAPY DECISIONS. Due to the variety of sizes of compatible devices, the t:simulator App may not display the pump at actual size. Actual size is 2” x 3.13”. Please refer to the Technical Specifications in the Resources section of the app for more detailed information.

About

T1 Life

Features
Read full description

T1 Life — your Type 1 diabetes companion T1 Life helps people living with Type 1 diabetes log what matters and get a suggested insulin dose at mealtime — in one simple, calm app. LOG IT ALL IN ONE PLACE • Blood glucose readings • Meals and carbohydrates • Insulin doses • Exercise MEALTIME DOSE SUGGESTIONS Enter your meal and current blood sugar, and T1 Life calculates a suggested insulin dose using the pafor each time of day,attribution block so it matches your privacy policy and seller name. Here's your text with an ABOUT sis as the full Description: T1 Life — your Type 1 diabetes companion T1 Life helps people livig what matters and get asuggested insulin dose at mealtime — in one simple, calm app. LOG IT ALL IN ONE PLACE • Blood glucose readings • Meals and carbohydrates • Insulin doses • Exercise MEALTIME DOSE SUGGESTIONS Enter your meal and curree calculates a suggestedinsulin dose using the parameters your doctor sets for each time of day, combined with standard dose formulas. YOUR DATA, YOUR CONTROL • Sign in securely with Apple or Google • Review your full histor • Delete your account and the app, whenever you want IMPORTANT T1 Life is a decision-support tool, not a medical device, and does not replace professional medical advi doses with yourhealthcare provider, and seek medical help if anything seems off. ABOUT T1 Life is developed and operated by Kalpavriksh Healthcare Private Limited. For questions about your data, see our Privacy Policy or contact docrajivsingla@kvsc.in.

Screenshots

t3 screens
T1 Life3 screens

Verdict

The call

The clearest difference is update cadence: T1 Life at every 8 days against t's every 2 months. On price, ads, in-app purchases and device support 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.

UpkeepUpdate frequency

t ships an update every 2 months, T1 Life every 8 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 9 level
t versus T1 Life: the parameters behind the verdict, then further details
ParametertT1 Life
PriceFreeFree
Rating3.6 (116 ratings) — better—
Positive reviews42.4% of reviews—
Number of ratings116 — better—
Update frequencyEvery 2 monthsEvery 8 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.1 — better15.3
Further details — not scored
Size31 MB140 MB
Age rating4+17+
DeveloperTandem Diabetes Care, Inc.Kalpavriksh Healthcare Private Limited

Bugs and requests

t

Reported bugs

13 issues
  • App won't open once downloaded
  • Simulator crashes on launch
  • App broken on iOS 12
  • Simulator app broken on iOS 12
  • Simulator crashes as soon as app is open
Show 8 more
  • Simulator not working
  • App crashes when opening on iPhone X
  • Simulator crashes on iOS 12
  • Simulator doesn't work
  • App bombs on launch
  • Lagging and not working properly
  • Doesn't update as often
  • US version installed on iPhone, needs German version

Requested features

14 requests
  • Actual app to control and manage the pump
  • App available in Canada/Europe
  • Display beep noises for alerts
  • Simulate real-world issues like occlusions
  • Ability to simulate changing the pump
Show 9 more
  • Bolus from the app
  • Option to change mmol/l to mg/dl
  • Bluetooth control of the pump
  • App to upload reports from the pump for iPad
  • Integrate with Apple Watch for alerts
  • Actual app that sends information to phone
  • Simulate confirmation screens and alarms
  • More realistic simulation of pump usage
  • Display insulin on board information

T1 Life

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

t

No in-app purchases

None

T1 Life

No in-app purchases

Questions

Is t free?
t is free to download, with no in-app purchases.
Is T1 Life free?
T1 Life is free to download, with no in-app purchases.
Do t or T1 Life have ads?
Neither t nor T1 Life shows ads.
Which is updated more often, t or T1 Life?
t ships an update every 2 months, and T1 Life every 8 days. Most recently, t was updated on November 1, 2026 and T1 Life on October 31, 2026.

Other comparisons