# Virtual Loop vs Centrios

The clearest difference is review sentiment: Centrios at 90% against Virtual Loop's 50%. Centrios also leads on rating (4.4 vs 4.0) and ratings volume (14 vs 4). Virtual Loop's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, 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.

Centrios holds the better App Store score, 4.4 against 4.0. Both are backed by a comparable volume of ratings — 4 and 14 respectively. Written reviews point the same way: 50% of Virtual Loop's written reviews are positive against 90% of Centrios's.

Virtual Loop ships an update every 2 months, Centrios every 6 weeks. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Virtual Loop | Centrios |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/virtual-loop/id1569757793/reviews) | **[4.4 (14 ratings)](https://appshunter.io/ios/app/centrios/id6449100322/reviews)** |
| Number of ratings | 4 | **14** |
| Positive reviews | 50.0% of reviews | **90.5% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 4 MB | 371 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OPTEX CO., LTD.](https://appshunter.io/developer/1447859848) | [Assa Abloy Of Canada Ltd](https://appshunter.io/developer/1687705830) |

## What reviewers say

### Virtual Loop

[App page](https://appshunter.io/ios/app/virtual-loop/id1569757793)

This utility app allows users to configure and monitor vehicle detection sensors. It enables exporting and importing sensor settings and provides visual and auditory feedback on sensor status.

**Highlights:** Configure vehicle detection sensors, Export and import sensor settings, Monitor sensor status visually, Receive auditory alerts for sensor conditions, Check sensor condition

**In-app purchases:** none


### Centrios

[App page](https://appshunter.io/ios/app/centrios/id6449100322)

Manage business access remotely with a smart lock system. Control locks, grant temporary access to staff and visitors, and monitor activity logs. Ideal for businesses needing secure and flexible entry management.

**Highlights:** Unlock and lock doors remotely, Grant access to staff and visitors, Create and edit access schedules, View activity and access history, Manage multiple locations

**In-app purchases:** none


## Frequently asked questions

### Is Virtual Loop free?

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

### Is Centrios free?

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

### Which has better reviews, Virtual Loop or Centrios?

Centrios is rated higher. Virtual Loop averages 4.0 out of 5 from 4 ratings, while Centrios averages 4.4 from 14 ratings.

### Do Virtual Loop or Centrios have ads?

Centrios shows ads; Virtual Loop does not.

### Which is updated more often, Virtual Loop or Centrios?

Virtual Loop ships an update every 2 months, and Centrios every 6 weeks. Most recently, Virtual Loop was updated on October 2, 2026 and Centrios on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*