# Contraction Time Tracker vs Vai Nascer!

The clearest difference is price: Vai Nascer! at Free against Contraction Time Tracker's $0.49. Vai Nascer! also leads on update cadence (every 5 months vs every 15 months). Contraction Time Tracker's advantage is iOS requirement (13.0 vs 18.0). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Vai Nascer! is free to download; Contraction Time Tracker costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

Contraction Time Tracker ships an update every 15 months, Vai Nascer! every 5 months. The most recent releases landed on October 21, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Contraction Time Tracker | Vai Nascer! |
| --- | --- | --- |
| Price | $0.49 | **Free** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 5 months** |
| Monetization | Paid | **Free** |
| Size | 2 MB | 21 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 12+ | 12+ |
| Developer | [pkclSoft](https://appshunter.io/developer/432090829) | [Felipe Guimaraes](https://appshunter.io/developer/1747316522) |

## What reviewers say

### Contraction Time Tracker

[App page](https://appshunter.io/ios/app/contraction-time-tracker/id1497789496)

This app helps expectant mothers track labor contractions, their duration, and frequency. It records other important labor events and their timings, providing a detailed log for medical professionals and personal records. A companion Apple Watch app is also available for synchronized tracking.

**Highlights:** Track contraction duration and frequency, Record labor event timings, Log baby's birth time, Generate labor reports, Apple Watch companion app, Data synchronization

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Vai Nascer!

[App page](https://appshunter.io/ios/app/vai-nascer-labor-assistant/id6736656172)

This app assists expecting mothers in tracking labor contractions, monitoring pain levels, and accessing relaxation techniques. It offers real-time insights and customizable alerts, with seamless integration for hands-free use. Detailed reports can be shared with healthcare providers for informed decision-making during childbirth.

**Highlights:** Contraction tracking (frequency, duration, intensity), Apple Watch integration, Pain level monitoring, Breathing and relaxation techniques, Customizable alerts, Detailed labor reports, Offline functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Contraction Time Tracker free?

Contraction Time Tracker costs $0.49, with no in-app purchases.

### Is Vai Nascer! free?

Vai Nascer! is free to download, with no in-app purchases.

### Do Contraction Time Tracker or Vai Nascer! have ads?

Neither Contraction Time Tracker nor Vai Nascer! shows ads.

### Which is updated more often, Contraction Time Tracker or Vai Nascer!?

Contraction Time Tracker ships an update every 15 months, and Vai Nascer! every 5 months. Most recently, Contraction Time Tracker was updated on October 21, 2026 and Vai Nascer! on October 15, 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.*