CertCheck vs PBIOS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CertCheck
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.
- Equipment safety certificate verification
- Real-time certification status
- Flag equipment for inspection
- Access to safety inspection data
- Part of TESSALink CertNet suite
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TESSALink™ CertCheck™ streamlines pre-job equipment safety checks. It leverages equipment safety certificates at the jobsite to encourage the use of safety-certified equipment. Based on the most recent safety inspection data stored in TESSALink’s CertVault™, the CertCheck™ user quickly discovers if the equipment they want to use is Certified or Not Certified. They can also flag equipment they believe needs an inspection. CertCheck™ is part of the TESSALink CertNet™ application suite.
PBIOS
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.
- Global oil investor networking
- Service company connections
- Exhibition attendance
- Oil and gas sector opportunities
- Professional networking
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This app is made for worldwide oil investors, service companies where they can attend exhibition.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | CertCheck | PBIOS |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 2 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 105 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | InfoChip Systems | Vision Vivante LLP |
Customer experience
CertCheck
PBIOS
In-app purchases
CertCheck
No in-app purchases
PBIOS
No in-app purchases









