# CertCheck vs PBIOS

The clearest difference is update cadence: PBIOS at every 4 weeks against CertCheck's every 2 months. CertCheck's advantage is iOS requirement (12.0 vs 15.1). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for CertCheck against 5.0 for PBIOS. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

CertCheck ships an update every 2 months, PBIOS every 4 weeks. Both last shipped on October 3, 2026.

## The numbers

| Metric | CertCheck | PBIOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/certcheck/id1523049044/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/pbios/id1576862781/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 105 MB | 40 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [InfoChip Systems](https://appshunter.io/developer/885588364) | [Vision Vivante LLP](https://appshunter.io/developer/1293990269) |

## What reviewers say

### CertCheck

[App page](https://appshunter.io/ios/app/certcheck/id1523049044)

This app simplifies pre-job equipment safety checks by accessing a database of safety certificates. It helps users quickly determine if equipment is certified for use and allows them to flag items needing inspection.

**Highlights:** Equipment safety certificate verification, Real-time certification status, Flag equipment for inspection, Access to safety inspection data, Part of TESSALink CertNet suite

**In-app purchases:** none


### PBIOS

[App page](https://appshunter.io/ios/app/pbios/id1576862781)

Connect with global oil industry professionals and companies. Attend exhibitions and network with investors and service providers. Discover opportunities in the oil and gas sector.

**Highlights:** Global oil investor networking, Service company connections, Exhibition attendance, Oil and gas sector opportunities, Professional networking

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CertCheck free?

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

### Is PBIOS free?

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

### Which has better reviews, CertCheck or PBIOS?

CertCheck and PBIOS are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do CertCheck or PBIOS have ads?

Neither CertCheck nor PBIOS shows ads.

### Which is updated more often, CertCheck or PBIOS?

CertCheck ships an update every 2 months, and PBIOS every 4 weeks. Most recently, CertCheck was updated on October 3, 2026 and PBIOS on October 3, 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.*