# Otrol vs edgLink

The clearest difference is update cadence: Otrol at monthly against edgLink's every 46 months. edgLink's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.6). On price, 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.

Otrol ships an update monthly, edgLink every 46 months. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Otrol | edgLink |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/edglink/id1575577335/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 46 months |
| Monetization | — | Free |
| Size | 37 MB | 18 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DoubleVision Technology Co., Ltd.](https://appshunter.io/developer/1146786618) | [Engineering Design Group, LLC](https://appshunter.io/developer/1574567053) |

## What reviewers say

### Otrol

[App page](https://appshunter.io/ios/app/otrol-csc/id1558995591)

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

**In-app purchases:** none


### edgLink

[App page](https://appshunter.io/ios/app/edglink/id1575577335)

Easily connect your EDG IoT devices to Wi-Fi or cellular networks using your phone's Bluetooth. Once online, your device can send sensor data and receive commands remotely via the cloud.

**Highlights:** Wi-Fi network configuration, Cellular connectivity enablement, Bluetooth device pairing, Remote data transmission, Command reception from cloud

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Otrol free?

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

### Is edgLink free?

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

### Do Otrol or edgLink have ads?

Neither Otrol nor edgLink shows ads.

### Which is updated more often, Otrol or edgLink?

Otrol ships an update monthly, and edgLink every 46 months. Most recently, Otrol was updated on October 30, 2026 and edgLink on October 27, 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.*