Comparison

Subseven vs T1D1 Mobile

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

Head to head
About

Subseven

This app uses AI to analyze your lifestyle and glucose data, revealing patterns and correlations to help you understand how daily decisions impact your blood sugar. Gain actionable insights to feel more in control and make informed choices about managing Type 1 Diabetes.

Highlights
  • Track meals, insulin, workouts, stress, sleep
  • Sync data from compatible CGMs
  • AI-powered pattern recognition
  • Visual summaries and insight cards
  • Share insights with healthcare team
Features
Read full description

Managing Type 1 Diabetes means juggling dozens of daily variables — meals, insulin, workouts, stress, sleep, and more. It's hard to see the full picture. Subseven makes sense of the chaos. By tracking your lifestyle alongside your glucose data, Subseven uses AI to uncover patterns, correlations, and trends that are easy to miss on your own. Just talk to Subseven like you would a coach — log a meal, a dose, or a workout in seconds — and it does the rest: connecting the dots between what you do and how your glucose responds. Whether you want to:  - Understand how workouts affect your glucose  - Spot trends after meals or stressful days  - Identify hidden friction points in your routine  - Have smarter conversations with your care team Subseven gives you clear, actionable insights — without judgment, overwhelm, or medical advice. It's not a replacement for your CGM or provider. It's your personal data co-pilot, built to help you feel more in control, more informed, and more confident. Features:  - Log meals, insulin, workouts, sleep, and more just by talking or typing to your AI companion  - Sync automatically with Dexcom Share and Apple Health  - A daily Subseven Score summarizes how your day is trending at a glance  - High and low glucose events are automatically detected and explained  - AI-powered pattern recognition ranks what's actually moving your glucose, not just what's noise  - Compare any meal against similar ones you've logged to see how your body responded  - Visual summaries and insight cards simplify complex data  - Share insights with your healthcare team easily Start seeing your T1D differently, because the better you understand your data, the better decisions you can make. Terms of Use: https://www.subseven.ai/terms-of-use Privacy Policy: https://www.subseven.ai/privacy-policy

About

T1D1 Mobile

This app helps individuals with Type 1 Diabetes calculate insulin doses, track glucose, insulin, and carb intake. It's designed for those using multiple daily injections and newly diagnosed patients, offering essential tools for daily management. The app is FDA-cleared and free to use.

Highlights
  • Insulin dose calculation
  • Glucose tracking
  • Insulin intake tracking
  • Carb intake tracking
  • Data sharing with healthcare providers
  • FDA-cleared medical device
Read full description

T1D1 (Type 1 Diabetes from Day 1), all the essentials you need to get started from day 1 of diagnosis. 100% free - No subscription and no in-app purchases! Who is it for? People with Type 1 Diabetes who… -Need help calculating insulin! -Are newly diagnosed with Type 1 Diabetes -Use multiple daily injections (MDI) of short-acting insulin -Work with School nurses -Have caregivers who assist in diabetes management -Want to send their data to healthcare providers -Are taking a break from using a pump -Count carbs but are NOT on a sliding scale T1D1 implements the bolus dosing calculation as indicated by the American Diabetes Association standards of Care (https://diabetesjournals.org/care/issue/48/Supplement_1) without modifications. T1D1 is intended for people with Type 1 Diabetes aged 2 years and older who use multiple daily injections (MDI) of rapid-acting insulin. The user can calculate insulin doses based on user-entered data, track glucose, insulin, and carb intake, and share information with their healthcare team. Designed to be simple and accessible, T1D1 makes it easier for patients and families to manage the daily math of diabetes. About the creator: My name is Drew Mendelow. I was 13 years old when I was diagnosed with Type 1 Diabetes in 2020. I remember feeling so overwhelmed when I was newly diagnosed and wanted to create an app with just the essentials you need from day 1 of diagnosis. My aim is to make it simple, reliable, and accessible to all… for free! Hope this app makes your life just a little easier. Disclaimer: T1D1 is an FDA-cleared, Class II medical device for over-the-counter use. Before use, a healthcare professional must provide your target blood glucose values, insulin-to-carbohydrate ratios, and correction factor (aka insulin sensitivity factor) to be programmed into the app. While the app is designed to support insulin dosing for individuals with Type 1 Diabetes Mellitus (T1DM) from age 2 and older, for children under 13, a parent or legal guardian must create and manage the account on the child’s behalf. Legal Manufacturer: Comerge AG Bubenbergestrasse 1 Zurich, 8045 Switzerland

Screenshots

Subseven4 screens
T1D1 Mobile4 screens

Verdict

The call

The clearest difference is review sentiment: T1D1 Mobile at 95% against Subseven's 50%. T1D1 Mobile also leads on rating (4.7 vs 4.0) and in-app purchases (none vs 5). Subseven's advantage is iOS requirement (13.0 vs 15.6). On price, update cadence, ads 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. Subseven sells 5 in-app purchases, starting at $9.99 per month. T1D1 Mobile asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

T1D1 Mobile holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: T1D1 Mobile has 116 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 50% of Subseven's written reviews are positive against 95% of T1D1 Mobile's.

UpkeepUpdate frequency

Subseven ships an update monthly, T1D1 Mobile every 2 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

Scorecard6 real differences · 4 level
Subseven versus T1D1 Mobile: the parameters behind the verdict, then further details
ParameterSubsevenT1D1 Mobile
PriceFreeFree
Rating4.0 (12 ratings)4.7 (116 ratings) — better
Positive reviews50.0% of reviews94.9% of reviews — better
Number of ratings12116 — better
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size96 MB39 MB
Age rating17+12+
DeveloperSubsevenT1D1

Customer experience

Subseven

All ratings12 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

T1D1 Mobile

All ratings97 ratings
Positive92.8%
Neutral1.0%
Negative6.2%
Written reviews39 reviews
Positive94.9%
Neutral0.0%
Negative5.1%

In-app purchases

5 purchases

Subseven

Subscriptions5
  • Premium – Monthly (Sale)14 Days trial$9.991 Month
  • Premium – Monthly14 Days trial$19.991 Month
  • Premium – 3 Months14 Days trial$53.993 Months
Show 2 more
  • Premium – 6 Months14 Days trial$95.996 Months
  • Premium – Annual14 Days trial$167.991 Year
None

T1D1 Mobile

No in-app purchases

Questions

Is Subseven free?
Subseven is free to download, with in-app purchases available.
Is T1D1 Mobile free?
T1D1 Mobile is free to download, with no in-app purchases.
Which has better reviews, Subseven or T1D1 Mobile?
T1D1 Mobile is rated higher. Subseven averages 4.0 out of 5 from 12 ratings, while T1D1 Mobile averages 4.7 from 116 ratings.
Do Subseven or T1D1 Mobile have ads?
Neither Subseven nor T1D1 Mobile shows ads.
Which is updated more often, Subseven or T1D1 Mobile?
Subseven ships an update monthly, and T1D1 Mobile every 2 months. Most recently, Subseven was updated on October 24, 2026 and T1D1 Mobile on October 30, 2026.

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