# Datumprikker vs Correctbook App

The clearest difference is in-app purchases: Correctbook App at none against Datumprikker's 1. Correctbook App also leads on ads (none vs shown). Datumprikker's advantage is update cadence (every 5 weeks vs every 9 months) and iOS requirement (11.0 vs 16.0). On price and device support there is nothing between them.

Both are free to download. Datumprikker sells 1 one-off in-app purchase. Correctbook App asks for nothing beyond the download.

Datumprikker ships an update every 5 weeks, Correctbook App every 9 months. The most recent releases landed on October 1, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Datumprikker | Correctbook App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (10 ratings)](https://appshunter.io/ios/app/datumprikker/id633445844/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 9 months |
| Monetization | Free with in-app purchases | — |
| Size | 57 MB | 30 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kompas Meet BV](https://appshunter.io/developer/1791574148) | [Correctbook](https://appshunter.io/developer/1691849771) |

## What reviewers say

### Datumprikker

[App page](https://appshunter.io/ios/app/datumprikker/id633445844)

Easily suggest dates and times for events, invite participants, and finalize details like location. This intuitive tool offers an event overview, pre-written messages, and location suggestions to streamline your planning process.

**Highlights:** Suggest dates and times, Invite participants, Set final date and location, Event overview, Pre-written messages, Location suggestions, Address book and groups

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove the ads | $1.99 | one-time |


### Correctbook App

[App page](https://appshunter.io/ios/app/correctbook-app/id6450104369)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Datumprikker free?

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

### Is Correctbook App free?

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

### Do Datumprikker or Correctbook App have ads?

Datumprikker shows ads; Correctbook App does not.

### Which is updated more often, Datumprikker or Correctbook App?

Datumprikker ships an update every 5 weeks, and Correctbook App every 9 months. Most recently, Datumprikker was updated on October 1, 2026 and Correctbook App on September 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.*