# HARMONY vs T1D, T2D

The clearest difference is in-app purchases: HARMONY at none against T1D, T2D's 17. HARMONY also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 13 months). On price and device support there is nothing between them.

Both are free to download. T1D, T2D sells 17 in-app purchases, starting at $4.95 per month. HARMONY asks for nothing beyond the download.

HARMONY ships an update every 2 weeks, T1D, T2D every 13 months. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | HARMONY | T1D, T2D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/t1d-t2d-diabetes-tracker/id6743555619/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 13 months |
| Monetization | — | Free with in-app purchases |
| Size | 88 MB | 221 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Qingdao Richmat Intelligence Technology Inc.](https://appshunter.io/developer/1814751082) | [Digital Therapeutics](https://appshunter.io/developer/1721663167) |

## What reviewers say

### HARMONY

[App page](https://appshunter.io/ios/app/harmony/id6478255796)

**Features:** macOS Compatibility

**In-app purchases:** none


### T1D, T2D

[App page](https://appshunter.io/ios/app/t1d-t2d-diabetes-tracker/id6743555619)

This app helps individuals manage diabetes by tracking blood sugar, meals, insulin, medications, exercise, and symptoms. It identifies patterns and trends to better understand how daily activities affect glucose levels. Users can set reminders and generate reports for healthcare providers.

**Highlights:** Blood sugar logging with custom labels, Insulin and medication reminders, Meal and carb tracking, Symptom logging, Pattern recognition charts, Apple Health integration, Exportable reports

**Features:** macOS Compatibility

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| flex pass | $4.95 | per month |
| easy pass | $7.99 | per 7 days |
| weather max | $9.99 | per 3 months |
| flex pass | $18.99 | per month |
| carey ai max | $19.99 | per month |
| yearly access | $19.99 | per year |
| smart pass | $24.99 | per year |
| carey ai ultra | $29.99 | per month |
| plus | $29.99 | per year |
| limited discount | $29.99 | per year |
| Premium Yearly | $34.99 | per year |
| yearly access | $39.99 | per year |
| Extended Trial | $39.99 | per year |
| 7-Day Trial | $49.99 | per year |
| store credit | $1.99 | one-time |
| carey ai credits | $8.99 | one-time |
| lifetime upgrade | $79.99 | one-time |


## Frequently asked questions

### Is HARMONY free?

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

### Is T1D, T2D free?

T1D, T2D is free to download, with in-app purchases available.

### Do HARMONY or T1D, T2D have ads?

T1D, T2D shows ads; HARMONY does not.

### Which is updated more often, HARMONY or T1D, T2D?

HARMONY ships an update every 2 weeks, and T1D, T2D every 13 months. Most recently, HARMONY was updated on October 25, 2026 and T1D, T2D on October 28, 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.*