# Firstweeks vs FourthTri

The clearest difference is in-app purchases: Firstweeks at none against FourthTri's 1. Firstweeks also leads on iOS requirement (15.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. FourthTri sells 1 one-off in-app purchase. Firstweeks asks for nothing beyond the download.

Firstweeks ships an update every 6 days, FourthTri every 11 days. The most recent releases landed on September 23, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Firstweeks | FourthTri |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 11 days |
| Size | 10 MB | 6 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Peter Hallander](https://appshunter.io/developer/6779583782) | [InnovaLabWorks](https://appshunter.io/developer/1888514726) |

## What reviewers say

### Firstweeks

[App page](https://appshunter.io/ios/app/firstweeks-postpartum-care/id6780259457)

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

**In-app purchases:** none


### FourthTri

[App page](https://appshunter.io/ios/app/fourthtri-postpartum/id6792523331)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Unlock | $49.99 | one-time |


## Frequently asked questions

### Is Firstweeks free?

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

### Is FourthTri free?

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

### Do Firstweeks or FourthTri have ads?

Neither Firstweeks nor FourthTri shows ads.

### Which is updated more often, Firstweeks or FourthTri?

Firstweeks ships an update every 6 days, and FourthTri every 11 days. Most recently, Firstweeks was updated on September 23, 2026 and FourthTri on September 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.*