# Simon iO vs Fermax See

The clearest difference is rating: Fermax See at 5.0 against Simon iO's 1.0. Fermax See also leads on ads (none vs shown) and monetization model (free vs free with in-app purchases). Simon iO's advantage is update cadence (every 3 months vs every 11 months). On price, ratings volume, 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.

Fermax See holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Simon iO ships an update every 3 months, Fermax See every 11 months. The most recent releases landed on July 7, 2026 and July 8, 2026 respectively.

## The numbers

| Metric | Simon iO | Fermax See |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/simon-io/id1477805916/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fermax-see-u/id1635313894/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 11 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 91 MB | 76 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Simon](https://appshunter.io/developer/531284305) | [FERMAX ELECTRONICA, S.A.](https://appshunter.io/developer/891332024) |

## 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


### Fermax See

[App page](https://appshunter.io/ios/app/fermax-see-u/id1635313894)

Monitor your video door entry system remotely. Answer calls, unlock doors, and view live camera feeds from your smartphone or tablet, even when you're away from home. Grant temporary access to guests.

**Highlights:** Answer video door entry calls remotely, Unlock doors from smartphone/tablet, Activate outdoor and security cameras, View call history with images/videos, Share access with family and friends

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Simon iO free?

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

### Is Fermax See free?

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

### Which has better reviews, Simon iO or Fermax See?

Fermax See is rated higher. Simon iO averages 1.0 out of 5 from 1 ratings, while Fermax See averages 5.0 from 2 ratings.

### Do Simon iO or Fermax See have ads?

Simon iO shows ads; Fermax See does not.

### Which is updated more often, Simon iO or Fermax See?

Simon iO ships an update every 3 months, and Fermax See every 11 months. Most recently, Simon iO was updated on July 7, 2026 and Fermax See on July 8, 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.*