# Contraction Timer Tracker . vs Docdoc.az

The clearest difference is in-app purchases: Docdoc.az at none against Contraction Timer Tracker .'s 5. Docdoc.az also leads on update cadence (weekly vs every 3 months) and iOS requirement (13.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Contraction Timer Tracker . sells 5 in-app purchases, starting at $4.99 per 7 days. Docdoc.az asks for nothing beyond the download.

Contraction Timer Tracker . ships an update every 3 months, Docdoc.az weekly. The most recent releases landed on October 11, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Contraction Timer Tracker . | Docdoc.az |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 152 MB | 43 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Maria Garcia](https://appshunter.io/developer/1824216345) | [VA Group](https://appshunter.io/developer/1885175395) |

## What reviewers say

### Contraction Timer Tracker .

[App page](https://appshunter.io/ios/app/contraction-timer-tracker/id6748081703)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


### Docdoc.az

[App page](https://appshunter.io/ios/app/docdocaz/id6760585213)

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

**In-app purchases:** none


## Frequently asked questions

### Is Contraction Timer Tracker . free?

Contraction Timer Tracker . is free to download, with in-app purchases available.

### Is Docdoc.az free?

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

### Do Contraction Timer Tracker . or Docdoc.az have ads?

Neither Contraction Timer Tracker . nor Docdoc.az shows ads.

### Which is updated more often, Contraction Timer Tracker . or Docdoc.az?

Contraction Timer Tracker . ships an update every 3 months, and Docdoc.az weekly. Most recently, Contraction Timer Tracker . was updated on October 11, 2026 and Docdoc.az on October 1, 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.*