# Cas vs ROB

The clearest difference is review sentiment: Cas at 20% against ROB's 0%. ROB's advantage is update cadence (monthly vs every 3 months) and iOS requirement (12.0 vs 14.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Cas ships an update every 3 months, ROB monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Cas | ROB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (4 ratings)](https://appshunter.io/ios/app/rob-connect/id1469182460/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | **20.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 47 MB | 67 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stadt Castrop-Rauxel](https://appshunter.io/developer/1385393974) | [Robart GmbH](https://appshunter.io/developer/1100882488) |

## What reviewers say

### Cas

[App page](https://appshunter.io/ios/app/cas-app/id1261287227)

Access city information and services on the go. Report issues, find city contacts, and stay updated on local events and news. Manage waste collection and access utility information.

**Highlights:** News and events updates, Issue and idea reporting tool, City services directory, Waste collection schedules, Utility information access, Push notifications for alerts

**Features:** Vision Pro support

**In-app purchases:** none


### ROB

[App page](https://appshunter.io/ios/app/rob-connect/id1469182460)

Control your robot's cleaning schedule, set no-go zones, and initiate targeted cleaning remotely. Receive troubleshooting alerts and update your robot's firmware through the app.

**Highlights:** Set virtual no-go areas, Targeted room cleaning, Remote start/stop functionality, Scheduled cleaning automation, Troubleshooting alerts, Firmware updates

**In-app purchases:** none


## Frequently asked questions

### Is Cas free?

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

### Is ROB free?

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

### Do Cas or ROB have ads?

Neither Cas nor ROB shows ads.

### Which is updated more often, Cas or ROB?

Cas ships an update every 3 months, and ROB monthly. Most recently, Cas was updated on November 2, 2026 and ROB on November 3, 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.*