# By vs Supervisor

The clearest difference is update cadence: Supervisor at every 2 months against By's every 9 months. By's advantage is iOS requirement (12.1 vs 15.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

By ships an update every 9 months, Supervisor every 2 months. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | By | Supervisor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (12 ratings)](https://appshunter.io/ios/app/by-camera/id972693204/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 48.3% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 127 MB | 106 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vimar S.p.A.](https://appshunter.io/developer/401438010) | [Ekinex](https://appshunter.io/developer/1503321534) |

## What reviewers say

### By

[App page](https://appshunter.io/ios/app/by-camera/id972693204)

Access and manage Elvox CCTV video surveillance systems from your smartphone or tablet. View live streams, adjust recorder settings, and create custom screen layouts combining different camera technologies.

**Highlights:** View live IP and AHD camera streams, Adjust DVR/NVR recorder settings, Create custom multi-system screen layouts, QR code pairing for easy setup, Store and share images/videos, Real-time event notifications, Control motorized and speed dome cameras

**In-app purchases:** none


### Supervisor

[App page](https://appshunter.io/ios/app/supervisor-domotica-labs/id1556440559)

Control smart buildings and home automation systems remotely or locally. Manage lights, climate, security, and more from your smartphone or tablet. Ideal for residential, office, and commercial spaces.

**Highlights:** Remote and local smart building control, Manage multiple home automation systems, Control lights, climate, security, and more, Integration with Domotica Labs cloud platform, Quick access to frequently used functions, Suitable for residential, office, and commercial buildings

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

**In-app purchases:** none


## Frequently asked questions

### Is By free?

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

### Is Supervisor free?

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

### Do By or Supervisor have ads?

Neither By nor Supervisor shows ads.

### Which is updated more often, By or Supervisor?

By ships an update every 9 months, and Supervisor every 2 months. Most recently, By was updated on November 6, 2026 and Supervisor on November 7, 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.*