# Centrios vs Nowak Supply

The clearest difference is rating: Nowak Supply at 5.0 against Centrios's 4.5. Nowak Supply also leads on monetization model (free vs ad-supported) and update cadence (every 3 weeks vs every 6 weeks). Centrios's advantage is ratings volume (17 vs 1) and iOS requirement (16.0 vs 18.1). On price, ads, 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.

Nowak Supply holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Centrios has 17 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 90% of Centrios's written reviews are positive against 100% of Nowak Supply's.

Centrios ships an update every 6 weeks, Nowak Supply every 3 weeks. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Centrios | Nowak Supply |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (17 ratings)](https://appshunter.io/ios/app/centrios/id6449100322/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nowak-supply/id6739004293/reviews)** |
| Number of ratings | **17** | 1 |
| Positive reviews | 90.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 371 MB | 5 MB |
| Requires iOS | **16.0** | 18.1 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ASSA ABLOY Canada Ltd.](https://appshunter.io/developer/1687705830) | [RL McCoy](https://appshunter.io/developer/1378385612) |

## What reviewers say

### 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


### Nowak Supply

[App page](https://appshunter.io/ios/app/nowak-supply/id6739004293)

This professional-grade tool offers specialized calculators for fire safety, welding, and portable sanitation planning. It generates detailed PDF reports, saves calculation history, and provides expert recommendations for compliance and project optimization.

**Highlights:** Fire Extinguisher Calculator, Welding Calculator (MIG, TIG, Stick), Porta-Jon Calculator, Professional PDF report generation, Calculation history, Offline access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Centrios free?

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

### Is Nowak Supply free?

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

### Which has better reviews, Centrios or Nowak Supply?

Nowak Supply is rated higher. Centrios averages 4.5 out of 5 from 17 ratings, while Nowak Supply averages 5.0 from 1 ratings.

### Do Centrios or Nowak Supply have ads?

Neither Centrios nor Nowak Supply shows ads.

### Which is updated more often, Centrios or Nowak Supply?

Centrios ships an update every 6 weeks, and Nowak Supply every 3 weeks. Most recently, Centrios was updated on October 24, 2026 and Nowak Supply on October 21, 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.*