# Simon iO vs CaterguaiXef

The clearest difference is ads: CaterguaiXef at none against Simon iO's shown. Simon iO's advantage is update cadence (every 3 months vs every 14 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Simon iO ships an update every 3 months, CaterguaiXef every 14 months. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Simon iO | CaterguaiXef |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/simon-io/id1477805916/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 14 months |
| Monetization | Free with in-app purchases | — |
| Size | 91 MB | 13 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Simon](https://appshunter.io/developer/531284305) | [TMWEBS CLOUD SL.](https://appshunter.io/developer/1188627817) |

## What reviewers say

### Simon iO

[App page](https://appshunter.io/ios/app/simon-io/id1477805916)

Control your smart home devices, including lights and blinds, from anywhere. Receive notifications, schedule routines, and customize device functionalities like lighting levels and power control. This app enhances your iO universe with a world of possibilities.

**Highlights:** Configure iO devices and experiences, Control lights and blinds, Receive notifications, Schedule routines, Adjust lighting levels, Power control for devices

**Features:** macOS Compatibility

**In-app purchases:** none


### CaterguaiXef

[App page](https://appshunter.io/ios/app/caterguaixef/id6749302738)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simon iO free?

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

### Is CaterguaiXef free?

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

### Do Simon iO or CaterguaiXef have ads?

Simon iO shows ads; CaterguaiXef does not.

### Which is updated more often, Simon iO or CaterguaiXef?

Simon iO ships an update every 3 months, and CaterguaiXef every 14 months. Most recently, Simon iO was updated on October 12, 2026 and CaterguaiXef on October 14, 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.*