# ContriApp vs Smart Safety Pro

The clearest difference is rating: Smart Safety Pro at 5.0 against ContriApp's 4.0. ContriApp's advantage is iOS requirement (10.3 vs 13.0). On price, ratings volume, update cadence 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.

Smart Safety Pro holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

ContriApp ships an update every 3 weeks, Smart Safety Pro monthly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ContriApp | Smart Safety Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/contriapp/id1475918337/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/smart-safety-pro/id6446785838/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | Free |
| Size | 60 MB | 38 MB |
| Requires iOS | **10.3** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Contrinex Inc.](https://appshunter.io/developer/1475918336) | [Wentworth Inc.](https://appshunter.io/developer/734130720) |

## What reviewers say

### ContriApp

[App page](https://appshunter.io/ios/app/contriapp/id1475918337)

Configure and monitor safety light curtains using Bluetooth®. Adjust parameters like beam coding and start options, or read diagnostic data for maintenance. Offers different access modes for various user levels.

**Highlights:** Read and write safety light curtain parameters via Bluetooth®, Configure beam coding, EDM, and start/restart options, Read device status and diagnostic data, Multiple access modes (observer, maintenance, specialist), Password protection for advanced modes, View device name, firmware version, and serial number

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Safety Pro

[App page](https://appshunter.io/ios/app/smart-safety-pro/id6446785838)

Streamline Lockout Tagout compliance with custom inspections. Create detailed procedures with annotated images, track LOTO, return to service, and periodic inspections. Scan QR codes for step-by-step lockout guidance.

**Highlights:** Customizable compliance inspections, Create LOTO procedures with images, Track inspections and return to service, QR code scanning for lockout steps, OSHA compliance reporting

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

**In-app purchases:** none


## Frequently asked questions

### Is ContriApp free?

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

### Is Smart Safety Pro free?

Smart Safety Pro is free to download, with no in-app purchases.

### Which has better reviews, ContriApp or Smart Safety Pro?

Smart Safety Pro is rated higher. ContriApp averages 4.0 out of 5 from 1 ratings, while Smart Safety Pro averages 5.0 from 2 ratings.

### Do ContriApp or Smart Safety Pro have ads?

Neither ContriApp nor Smart Safety Pro shows ads.

### Which is updated more often, ContriApp or Smart Safety Pro?

ContriApp ships an update every 3 weeks, and Smart Safety Pro monthly. Most recently, ContriApp was updated on October 29, 2026 and Smart Safety Pro on October 24, 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.*