# Contraction Timer & Tracker + vs Blood Sugar

The clearest difference is update cadence: Contraction Timer & Tracker + at every 6 days against Blood Sugar's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Contraction Timer & Tracker + sells 2 in-app purchases, starting at $1.99 per 7 days 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.

Contraction Timer & Tracker + ships an update every 6 days, Blood Sugar every 4 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Contraction Timer & Tracker + | Blood Sugar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/contraction-timer-and-tracker-plus/id6751813036/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 4 months |
| Size | 11 MB | 13 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Matthew Hand](https://appshunter.io/developer/1612741491) | [OPI Ventures Dillon, LLC](https://appshunter.io/developer/1846351915) |

## What reviewers say

### Contraction Timer & Tracker +

[App page](https://appshunter.io/ios/app/contraction-timer-and-tracker-plus/id6751813036)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $1.99 | per 7 days |
| Lifetime | $5.99 | one-time |


### 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 Contraction Timer & Tracker + free?

Contraction Timer & Tracker + 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 Contraction Timer & Tracker + or Blood Sugar have ads?

Neither Contraction Timer & Tracker + nor Blood Sugar shows ads.

### Which is updated more often, Contraction Timer & Tracker + or Blood Sugar?

Contraction Timer & Tracker + ships an update every 6 days, and Blood Sugar every 4 months. Most recently, Contraction Timer & Tracker + was updated on October 24, 2026 and Blood Sugar on October 24, 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.*