# Coozy vs Blood Sugar

The clearest difference is ads: Blood Sugar at none against Coozy's shown. Coozy's advantage is update cadence (every 4 weeks vs every 4 months) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. Coozy sells 2 in-app purchases, starting at $6.99 per month and Blood Sugar sells 3 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Coozy ships an update every 4 weeks, Blood Sugar every 4 months. The most recent releases landed on October 27, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Coozy | Blood Sugar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 weeks** | Every 4 months |
| Size | 8 MB | 13 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [D.CARE Co., Ltd.](https://appshunter.io/developer/1638057330) | [OPI Ventures Dillon, LLC](https://appshunter.io/developer/1846351915) |

## What reviewers say

### Coozy

[App page](https://appshunter.io/ios/app/coozy/id6701998726)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly plan | $6.99 | per month |
| Yearly plan | $58.99 | per year |


### Blood Sugar

[App page](https://appshunter.io/ios/app/blood-sugar-tracker-log/id6754034391)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tracker Premium | $5.99 | per 7 days |
| Sugar Tracker Premium | $5.99 | per 7 days |
| Sugar Tracker Lifetime | $119.99 | one-time |


## Frequently asked questions

### Is Coozy free?

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

### Is Blood Sugar free?

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

### Do Coozy or Blood Sugar have ads?

Coozy shows ads; Blood Sugar does not.

### Which is updated more often, Coozy or Blood Sugar?

Coozy ships an update every 4 weeks, and Blood Sugar every 4 months. Most recently, Coozy was updated on October 27, 2026 and Blood Sugar on November 5, 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.*