# Why Baby Cry vs FastingWindow

The clearest difference is update cadence: FastingWindow at every 2 days against Why Baby Cry's every 10 days. Why Baby Cry's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (17.0 vs 26.4). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Why Baby Cry sells 1 one-off in-app purchase and FastingWindow sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Why Baby Cry against 5.0 for FastingWindow. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Why Baby Cry ships an update every 10 days, FastingWindow every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Why Baby Cry | FastingWindow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/why-baby-cry/id6758028905/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/fastingwindow/id6769170324/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 15 MB | 1 MB |
| Requires iOS | **17.0** | 26.4 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [家锐 李](https://appshunter.io/developer/1870210345) | [Moon Labs](https://appshunter.io/developer/1896635888) |

## What reviewers say

### Why Baby Cry

[App page](https://appshunter.io/ios/app/why-baby-cry/id6758028905)

This app helps new parents understand their baby's needs by analyzing cries, tracking feedings, and logging diaper changes. It offers an AI-powered cry interpreter and a unified timeline of events, all processed privately on your device and Apple Watch.

**Highlights:** AI cry analysis for hunger, sleepiness, and discomfort, Smart feeding timer with breastfeeding and bottle modes, One-tap diaper logging, Unified timeline of all baby events, Apple Watch independent functionality, 100% private and offline processing

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Lifetime | $4.99 | one-time |


### FastingWindow

[App page](https://appshunter.io/ios/app/fastingwindow/id6769170324)

Track your intermittent fasting journey with a clean and simple interface. Monitor your progress in real-time with a visual ring and understand the five metabolic stages your body goes through during a fast.

**Highlights:** Real-time progress tracking, Visual progress ring, Explanation of metabolic stages, No account required, No subscription needed, Customizable fasting schedules

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Forever | $2.99 | one-time |


## Frequently asked questions

### Is Why Baby Cry free?

Why Baby Cry is free to download, with in-app purchases available.

### Is FastingWindow free?

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

### Which has better reviews, Why Baby Cry or FastingWindow?

Why Baby Cry and FastingWindow are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Why Baby Cry or FastingWindow have ads?

Neither Why Baby Cry nor FastingWindow shows ads.

### Which is updated more often, Why Baby Cry or FastingWindow?

Why Baby Cry ships an update every 10 days, and FastingWindow every 2 days. Most recently, Why Baby Cry was updated on October 31, 2026 and FastingWindow on October 31, 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.*