# Rotterdampas vs Grit Optiek

The clearest difference is update cadence: Rotterdampas at monthly against Grit Optiek's every 31 months. Grit Optiek's advantage is iOS requirement (13.6 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Rotterdampas ships an update monthly, Grit Optiek every 31 months. The most recent releases landed on October 23, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Rotterdampas | Grit Optiek |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (24 ratings)](https://appshunter.io/ios/app/rotterdampas/id603928478/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 31 months |
| Monetization | Free | — |
| Size | 55 MB | 15 MB |
| Requires iOS | 15.6 | **13.6** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Gemeente Rotterdam](https://appshunter.io/developer/997365057) | [JUPE Software B.V.](https://appshunter.io/developer/569186168) |

## What reviewers say

### Rotterdampas

[App page](https://appshunter.io/ios/app/rotterdampas/id603928478)

Discover fun activities, with discounts or for free. This app provides a digital pass for easy access and offers inspiration and tips. Manage your favorite activities and notification preferences effortlessly.

**Highlights:** Digital pass access, Activity inspiration and tips, Wishlist for favorite activities, Notification management, Discounted and free offers

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

**In-app purchases:** none


### Grit Optiek

[App page](https://appshunter.io/ios/app/grit-optiek/id845036741)

**In-app purchases:** none


## Frequently asked questions

### Is Rotterdampas free?

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

### Is Grit Optiek free?

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

### Do Rotterdampas or Grit Optiek have ads?

Neither Rotterdampas nor Grit Optiek shows ads.

### Which is updated more often, Rotterdampas or Grit Optiek?

Rotterdampas ships an update monthly, and Grit Optiek every 31 months. Most recently, Rotterdampas was updated on October 23, 2026 and Grit Optiek on September 18, 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.*