# CASSIE Air vs Rbsdataapi

The clearest difference is iOS requirement: CASSIE Air at 13.4 against Rbsdataapi's 15.1. 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.

## The numbers

| Metric | CASSIE Air | Rbsdataapi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 23 MB | 40 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cassie, Inc.](https://appshunter.io/developer/1781870712) | [GEN1 SOLUTIONS LIMITED](https://appshunter.io/developer/1835107701) |

## What reviewers say

### CASSIE Air

[App page](https://appshunter.io/ios/app/cassie-air/id6738693161)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rbsdataapi

[App page](https://appshunter.io/ios/app/rbsdataapi/id6769821396)

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

**In-app purchases:** none


## Frequently asked questions

### Is CASSIE Air free?

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

### Is Rbsdataapi free?

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

### Do CASSIE Air or Rbsdataapi have ads?

Neither CASSIE Air nor Rbsdataapi shows ads.

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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.*