# SDCSecurity vs Rev.io

The clearest difference is rating: SDCSecurity at 5.0 against Rev.io's 4.0. Rev.io's advantage is ads (none vs shown) and update cadence (weekly vs every 20 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.

SDCSecurity holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 6 and 3 respectively.

SDCSecurity ships an update every 20 months, Rev.io weekly. The most recent releases landed on June 5, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | SDCSecurity | Rev.io |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/sdcsecurity/id499401163/reviews)** | [4.0 (3 ratings)](https://appshunter.io/ios/app/revio/id6755979324/reviews) |
| Number of ratings | **6** | 3 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 20 months | **Weekly** |
| Monetization | Ad-supported | **Free** |
| Size | 38 MB | 41 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [SDC Security Door Controls](https://appshunter.io/developer/499401166) | [Rev.io LLC](https://appshunter.io/developer/1771713478) |

## What reviewers say

### SDCSecurity

[App page](https://appshunter.io/ios/app/sdcsecurity/id499401163)

This business application provides comprehensive access and egress solutions for door openings, focusing on security and fire safety. It integrates practical electrical applications for enhanced control and safety.

**Highlights:** Access and egress solutions, Door opening security, Fire and life safety, Electrical application integration, DoorSnap feature

**Features:** macOS Compatibility

**In-app purchases:** none


### Rev.io

[App page](https://appshunter.io/ios/app/revio/id6755979324)

Manage service information, update tickets, log time, and add details like notes, parts, photos, and videos. Communicate via email and view your schedule with a built-in calendar. Access customer and contact information for context.

**Highlights:** Create and update tickets, Log time and add notes/parts, Attach photos and videos, Direct email communication, Built-in daily calendar, View-only customer access

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

**In-app purchases:** none


## Frequently asked questions

### Is SDCSecurity free?

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

### Is Rev.io free?

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

### Which has better reviews, SDCSecurity or Rev.io?

SDCSecurity is rated higher. SDCSecurity averages 5.0 out of 5 from 6 ratings, while Rev.io averages 4.0 from 3 ratings.

### Do SDCSecurity or Rev.io have ads?

SDCSecurity shows ads; Rev.io does not.

### Which is updated more often, SDCSecurity or Rev.io?

SDCSecurity ships an update every 20 months, and Rev.io weekly. Most recently, SDCSecurity was updated on June 5, 2026 and Rev.io on September 9, 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.*