# AQUASTARSKG vs Contraction Timer Tracker .

The clearest difference is in-app purchases: AQUASTARSKG at none against Contraction Timer Tracker .'s 5. On price, update cadence, 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. AQUASTARSKG asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | AQUASTARSKG | Contraction Timer Tracker . |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 60 MB | 152 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Maxim Kalachev](https://appshunter.io/developer/1558657798) | [Maria Garcia](https://appshunter.io/developer/1824216345) |

## What reviewers say

### AQUASTARSKG

[App page](https://appshunter.io/ios/app/aquastarskg/id6498718795)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is AQUASTARSKG free?

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

### Is Contraction Timer Tracker . free?

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

### Do AQUASTARSKG or Contraction Timer Tracker . have ads?

Neither AQUASTARSKG nor Contraction Timer Tracker . shows ads.

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

AQUASTARSKG ships an update every 3 months, and Contraction Timer Tracker . every 3 months. Most recently, AQUASTARSKG was updated on November 4, 2026 and Contraction Timer Tracker . on October 30, 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.*