# RAINZ vs Multibaby

The clearest difference is in-app purchases: RAINZ at none against Multibaby's 4. RAINZ also leads on iOS requirement (15.0 vs 17.6). Multibaby's advantage is update cadence (every 6 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Multibaby sells 4 in-app purchases, starting at $4.99 per 7 days. RAINZ asks for nothing beyond the download.

RAINZ ships an update every 2 months, Multibaby every 6 days. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | RAINZ | Multibaby |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/multibaby-twins-tracker/id6747767694/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 26 MB | 59 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Stankevich](https://appshunter.io/developer/1501657722) | [Pattern Consulting OOD](https://appshunter.io/developer/1818399108) |

## What reviewers say

### RAINZ

[App page](https://appshunter.io/ios/app/rainz/id6740204306)

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

**In-app purchases:** none


### Multibaby

[App page](https://appshunter.io/ios/app/multibaby-twins-tracker/id6747767694)

This app helps parents track their newborn's daily routines, including sleep, feeding, and health. It uses AI to predict sleep patterns and offers insights into baby's development. It also supports postpartum recovery with exercises and mood tracking.

**Highlights:** AI-powered sleep pattern prediction, One-tap logging for routines, Feeding and health monitoring, Growth tracking with charts, Postpartum recovery exercises, Family sharing

**Features:** Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| weekly with trial | $4.99 | per 7 days |
| Monthly Plan | $8.99 | per month |
| Annual Plan | $49.99 | per year |
| Lifetime Plan | $23.95 | one-time |


## Frequently asked questions

### Is RAINZ free?

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

### Is Multibaby free?

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

### Do RAINZ or Multibaby have ads?

Neither RAINZ nor Multibaby shows ads.

### Which is updated more often, RAINZ or Multibaby?

RAINZ ships an update every 2 months, and Multibaby every 6 days. Most recently, RAINZ was updated on October 12, 2026 and Multibaby on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*