# Mama Baas vs Dubbel Zen

The clearest difference is in-app purchases: Mama Baas at none against Dubbel Zen's 6. Mama Baas also leads on iOS requirement (14.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Dubbel Zen sells 6 one-off in-app purchases. Mama Baas asks for nothing beyond the download.

Mama Baas ships an update every 2 months, Dubbel Zen every 6 weeks. The most recent releases landed on October 13, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Mama Baas | Dubbel Zen |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 58.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Ad-supported | — |
| Size | 11 MB | 92 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lannoo](https://appshunter.io/developer/391466226) | [Dieuwke Reitsma](https://appshunter.io/developer/1703770461) |

## What reviewers say

### Mama Baas

[App page](https://appshunter.io/ios/app/mama-baas/id1489938718)

This app offers daily expert tips, relatable stories, and expert advice for parents. It provides a pregnancy calendar and year-long calendars for a baby's first and second years, covering development, health, and practical parenting questions.

**Highlights:** Pregnancy calendar (9 months), Baby's first year calendar, Toddler's second year calendar, Daily expert tips, Relatable parent stories, Development tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### Dubbel Zen

[App page](https://appshunter.io/ios/app/dubbel-zen/id6463008833)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The Conception Checklist | $24.99 | one-time |
| Exclusive Zen Zone | $24.99 | one-time |
| Ultimate Birth Checklist | $29.00 | one-time |
| The Ultimate Mom Guide | $89.00 | one-time |
| De Eerste 20 Weken Gids | $89.00 | one-time |
| Your Next Birth Guide | $199.99 | one-time |


## Frequently asked questions

### Is Mama Baas free?

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

### Is Dubbel Zen free?

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

### Do Mama Baas or Dubbel Zen have ads?

Both Mama Baas and Dubbel Zen show ads.

### Which is updated more often, Mama Baas or Dubbel Zen?

Mama Baas ships an update every 2 months, and Dubbel Zen every 6 weeks. Most recently, Mama Baas was updated on October 13, 2026 and Dubbel Zen on October 25, 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.*