# Baby's day vs CYRUS

The clearest difference is device support: CYRUS at 3 against Baby's day's 1. CYRUS also leads on iOS requirement (15.5 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Baby's day ships an update every 4 months, CYRUS every 6 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Baby's day | CYRUS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/babys-day/id999252221/reviews)** | — |
| Number of ratings | **9** | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Ad-supported | — |
| Size | 14 MB | 92 MB |
| Requires iOS | 18.0 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [jeongil Park](https://appshunter.io/developer/511157274) | [서한이노텍에너기브](https://appshunter.io/developer/1816080145) |

## What reviewers say

### Baby's day

[App page](https://appshunter.io/ios/app/babys-day/id999252221)

Track your infant's daily activities including feeding, sleep, and diaper changes. Monitor growth with height and weight charts, and receive helpful notifications. The app supports logging various care events like baths and medicine.

**Highlights:** Feeding tracking, Sleep monitoring, Diaper logging, Growth charts (height/weight), Notifications, Care event logging

**Features:** macOS Compatibility

**In-app purchases:** none


### CYRUS

[App page](https://appshunter.io/ios/app/cyrus/id6739202016)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Baby's day free?

Baby's day is free to download, with no in-app purchases.

### Is CYRUS free?

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

### Do Baby's day or CYRUS have ads?

Both Baby's day and CYRUS show ads.

### Which is updated more often, Baby's day or CYRUS?

Baby's day ships an update every 4 months, and CYRUS every 6 months. Most recently, Baby's day was updated on November 1, 2026 and CYRUS 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.*