# T1D1 Mobile vs Split

The clearest difference is in-app purchases: T1D1 Mobile at none against Split's 2. T1D1 Mobile also leads on ratings volume (116 vs 1). Split's advantage is rating (5.0 vs 4.7). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Split sells 2 in-app purchases, starting at $9.99 per month. T1D1 Mobile asks for nothing beyond the download.

Split holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: T1D1 Mobile has 116 ratings behind it against 1, so its average is the more settled of the two.

T1D1 Mobile ships an update every 2 months, Split monthly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | T1D1 Mobile | Split |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (116 ratings)](https://appshunter.io/ios/app/t1d1-mobile/id6752346957/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/split-running-assistant/id6775578536/reviews)** |
| Number of ratings | **116** | 1 |
| Positive reviews | 94.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Free** | Subscription |
| Size | 39 MB | 40 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [T1D1](https://appshunter.io/developer/1534651712) | [Split Running Co.](https://appshunter.io/developer/6775578538) |

## What reviewers say

### T1D1 Mobile

[App page](https://appshunter.io/ios/app/t1d1-mobile/id6752346957)

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

**In-app purchases:** none


### Split

[App page](https://appshunter.io/ios/app/split-running-assistant/id6775578536)

Build a personalized running training plan that adapts to your schedule and goals. Easily edit workouts, rest days, and distances on the fly. Log your runs with detailed notes and sync with Strava.

**Highlights:** Build custom training plans, Edit plans anytime, Log runs with notes, Strava integration, Share progress with coaches

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Split Pro Monthly | $9.99 | per month |
| Split Pro Annual | $79.99 | per year |


## Frequently asked questions

### Is T1D1 Mobile free?

T1D1 Mobile is free to download, with no in-app purchases.

### Is Split free?

Split is free to download, with in-app purchases available.

### Which has better reviews, T1D1 Mobile or Split?

Split is rated higher. T1D1 Mobile averages 4.7 out of 5 from 116 ratings, while Split averages 5.0 from 1 ratings.

### Do T1D1 Mobile or Split have ads?

Neither T1D1 Mobile nor Split shows ads.

### Which is updated more often, T1D1 Mobile or Split?

T1D1 Mobile ships an update every 2 months, and Split monthly. Most recently, T1D1 Mobile was updated on October 30, 2026 and Split on October 31, 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.*