# Studio Perfect App vs Dubbel Zen

The clearest difference is in-app purchases: Studio Perfect App at none against Dubbel Zen's 6. Studio Perfect App also leads on ads (none vs shown) and iOS requirement (15.0 vs 26.0). Dubbel Zen's advantage is update cadence (every 6 weeks vs every 3 months). On price and device support there is nothing between them.

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

Studio Perfect App ships an update every 3 months, Dubbel Zen every 6 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Studio Perfect App | Dubbel Zen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Size | 214 MB | 92 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Studio Perfect B.V.](https://appshunter.io/developer/1601858960) | [Dieuwke Reitsma](https://appshunter.io/developer/1703770461) |

## What reviewers say

### Studio Perfect App

[App page](https://appshunter.io/ios/app/studio-perfect-app/id1601858958)

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

**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 Studio Perfect App free?

Studio Perfect App 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 Studio Perfect App or Dubbel Zen have ads?

Dubbel Zen shows ads; Studio Perfect App does not.

### Which is updated more often, Studio Perfect App or Dubbel Zen?

Studio Perfect App ships an update every 3 months, and Dubbel Zen every 6 weeks. Most recently, Studio Perfect App was updated on October 24, 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.*