# System Surveyor 2.0 vs Rev.io

The clearest difference is review sentiment: Rev.io at 100% against System Surveyor 2.0's 25%. Rev.io also leads on rating (4.0 vs 3.6) and update cadence (weekly vs monthly). System Surveyor 2.0's advantage is ratings volume (15 vs 3). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Rev.io holds the better App Store score, 4.0 against 3.6. That said, the two scores are not equally well evidenced: System Surveyor 2.0 has 15 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 25% of System Surveyor 2.0's written reviews are positive against 100% of Rev.io's.

System Surveyor 2.0 ships an update monthly, Rev.io weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | System Surveyor 2.0 | Rev.io |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (15 ratings)](https://appshunter.io/ios/app/system-surveyor-20/id6444457673/reviews) | **[4.0 (3 ratings)](https://appshunter.io/ios/app/revio/id6755979324/reviews)** |
| Number of ratings | **15** | 3 |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free | Free |
| Size | 105 MB | 52 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [System Surveyor, Inc.](https://appshunter.io/developer/971956739) | [Rev.io LLC](https://appshunter.io/developer/1771713478) |

## What reviewers say

### System Surveyor 2.0

[App page](https://appshunter.io/ios/app/system-surveyor-20/id6444457673)

Design and plan physical security systems with this app. Upload floor plans, add device icons with coverage areas, capture photos, and automate a bill of materials. Collaborate with others and generate professional reports without paper.

**Highlights:** Upload floor plans or use Google Maps, Drag-and-drop security device icons, Capture photos and associate with elements, Automate bill of materials, Real-time collaboration, Offline mode for field use, Generate professional PDF reports

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

**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 System Surveyor 2.0 free?

System Surveyor 2.0 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, System Surveyor 2.0 or Rev.io?

Rev.io is rated higher. System Surveyor 2.0 averages 3.6 out of 5 from 15 ratings, while Rev.io averages 4.0 from 3 ratings.

### Do System Surveyor 2.0 or Rev.io have ads?

Neither System Surveyor 2.0 nor Rev.io shows ads.

### Which is updated more often, System Surveyor 2.0 or Rev.io?

System Surveyor 2.0 ships an update monthly, and Rev.io weekly. Most recently, System Surveyor 2.0 was updated on October 24, 2026 and Rev.io 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.*