# RAD vs ECSig

The clearest difference is update cadence: RAD at every 3 weeks against ECSig's every 3 months. RAD also leads on iOS requirement (11.0 vs 15.1). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for RAD against 5.0 for ECSig. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

RAD ships an update every 3 weeks, ECSig every 3 months. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | RAD | ECSig |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/rad-lab/id1567412980/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/ecsig/id6737245267/reviews) |
| Number of ratings | 2 | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 109 MB | 29 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [femto-TECH, INC.](https://appshunter.io/developer/1498460992) | [Ecsite Inc](https://appshunter.io/developer/1529398875) |

## What reviewers say

### RAD

[App page](https://appshunter.io/ios/app/rad-lab/id1567412980)

Connect to continuous radon monitoring devices to download and analyze radon data. Generate PDF reports directly from the app for easy sharing and record-keeping.

**Highlights:** Connect to femto-TECH CRM devices, Download radon monitoring data, Analyze collected data, Generate PDF reports, Data export functionality

**In-app purchases:** none


### ECSig

[App page](https://appshunter.io/ios/app/ecsig/id6737245267)

This app provides a user-friendly interface to control RF signal generator devices. It allows precise customization of signal frequency and power output across multiple channels via a Bluetooth connection.

**Highlights:** Bluetooth device connection, Control 4-8 individual channels, Customize frequency and power, Save and recall device profiles, Intuitive professional interface

**In-app purchases:** none


## Frequently asked questions

### Is RAD free?

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

### Is ECSig free?

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

### Which has better reviews, RAD or ECSig?

RAD and ECSig are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do RAD or ECSig have ads?

Neither RAD nor ECSig shows ads.

### Which is updated more often, RAD or ECSig?

RAD ships an update every 3 weeks, and ECSig every 3 months. Most recently, RAD was updated on October 12, 2026 and ECSig on October 10, 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.*