# Inox Smart vs Centrios

The clearest difference is rating: Centrios at 4.4 against Inox Smart's 3.3. Centrios also leads on review sentiment (90% vs 60%) and update cadence (every 6 weeks vs every 4 months). Inox Smart's advantage is ads (none vs shown) and monetization model (free vs ad-supported). 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.

Centrios holds the better App Store score, 4.4 against 3.3. Both are backed by a comparable volume of ratings — 11 and 14 respectively. Written reviews point the same way: 60% of Inox Smart's written reviews are positive against 90% of Centrios's.

Inox Smart ships an update every 4 months, Centrios every 6 weeks. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Inox Smart | Centrios |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (11 ratings)](https://appshunter.io/ios/app/inox-smart/id1586240482/reviews) | **[4.4 (14 ratings)](https://appshunter.io/ios/app/centrios/id6449100322/reviews)** |
| Number of ratings | 11 | **14** |
| Positive reviews | 60.0% of reviews | **90.5% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 195 MB | 371 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Unison Hardware Inc.](https://appshunter.io/developer/1586240484) | [Assa Abloy Of Canada Ltd](https://appshunter.io/developer/1687705830) |

## What reviewers say

### Inox Smart

[App page](https://appshunter.io/ios/app/inox-smart/id1586240482)

Manage access across multiple properties and openings with this application. It allows for on-site or remote locking/unlocking, scheduling of e-keys, and provides audit trails and notifications.

**Highlights:** Multi-property access management, Remote locking/unlocking, Mobile and RFID e-key authorization, Scheduling capabilities, Audit trail and reporting, Privacy and passage modes

**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 Inox Smart free?

Inox Smart 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, Inox Smart or Centrios?

Centrios is rated higher. Inox Smart averages 3.3 out of 5 from 11 ratings, while Centrios averages 4.4 from 14 ratings.

### Do Inox Smart or Centrios have ads?

Centrios shows ads; Inox Smart does not.

### Which is updated more often, Inox Smart or Centrios?

Inox Smart ships an update every 4 months, and Centrios every 6 weeks. Most recently, Inox Smart was updated on October 7, 2026 and Centrios on October 6, 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.*