# Dubbel Zen vs Slaaptips+

The clearest difference is ads: Slaaptips+ at none against Dubbel Zen's shown. Slaaptips+ also leads on update cadence (every 6 days vs every 6 weeks) and iOS requirement (15.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Dubbel Zen sells 5 one-off in-app purchases and Slaaptips+ sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Dubbel Zen ships an update every 6 weeks, Slaaptips+ every 6 days. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Dubbel Zen | Slaaptips+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 6 days** |
| Size | 92 MB | 45 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dieuwke Reitsma](https://appshunter.io/developer/1703770461) | [Slaaptipsvoorbabys](https://appshunter.io/developer/6772117820) |

## What reviewers say

### Dubbel Zen

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

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

**In-app purchases (5)**

| 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 |


### Slaaptips+

[App page](https://appshunter.io/ios/app/slaaptips-plus/id6772117818)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Slaaptips+ Premium Maandelijks | $3.99 | per month |
| Slaaptips+ Premium Jaarlijks | $29.99 | per year |


## Frequently asked questions

### Is Dubbel Zen free?

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

### Is Slaaptips+ free?

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

### Do Dubbel Zen or Slaaptips+ have ads?

Dubbel Zen shows ads; Slaaptips+ does not.

### Which is updated more often, Dubbel Zen or Slaaptips+?

Dubbel Zen ships an update every 6 weeks, and Slaaptips+ every 6 days. Most recently, Dubbel Zen was updated on October 5, 2026 and Slaaptips+ on October 10, 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.*