# NINE vs Contraction Tracker & Timer

The clearest difference is iOS requirement: Contraction Tracker & Timer at 15.1 against NINE's 17. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. NINE sells 3 in-app purchases, starting at $11.99 per month and Contraction Tracker & Timer sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

NINE ships an update every 2 weeks, Contraction Tracker & Timer fortnightly. The most recent releases landed on February 23, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | NINE | Contraction Tracker & Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Size | 32 MB | 36 MB |
| Requires iOS | 17 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Bulat Galimov](https://appshunter.io/developer/1817040379) | [OMAR EL ISMAILI](https://appshunter.io/developer/1896518179) |

## What reviewers say

### NINE

[App page](https://appshunter.io/ios/app/nine/id6746523704)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NINE PRO Monthly | $11.99 | per month |
| NINE PRO Trimester | $24.99 | per 3 months |
| NINE PRO Halfyearly | $39.99 | per 6 months |


### Contraction Tracker & Timer

[App page](https://appshunter.io/ios/app/contraction-tracker-and-timer/id6767897329)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $2.99 | per 7 days |
| Monthly Premium | $5.99 | per month |


## Frequently asked questions

### Is NINE free?

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

### Is Contraction Tracker & Timer free?

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

### Do NINE or Contraction Tracker & Timer have ads?

Neither NINE nor Contraction Tracker & Timer shows ads.

### Which is updated more often, NINE or Contraction Tracker & Timer?

NINE ships an update every 2 weeks, and Contraction Tracker & Timer fortnightly. Most recently, NINE was updated on February 23, 2026 and Contraction Tracker & Timer on September 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.*