CertCheck vs Nyckel
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.
Nyckel
Manage security, safety, and access control with keyless digital access to locks, padlocks, and doors. Secure group lockouts with ID card scans and receive real-time visibility and notifications for peace of mind.
- Keyless digital access to locks
- Secure group and network lockout
- Multi-level lockout with master seal
- Time-limited, shareable keys
- Notifications, history, and reports
- Offline operation
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Nyckel by Smartlox is an enterprise-grade Access Control and Digital Lockout-Tagout solution designed for high-stakes environments. - True Offline Operation: Designed for remote assets and "dead zones." Nyckel’s advanced synchronisation allows for seamless access and audit logging even without a cellular or internet connection. - Instant Provisioning: Grant or revoke access instantly. Issue time-limited digital keys to contractors or staff. - ID Card Integration: Enhance security by requiring an ID card scan for group or network lockouts. - Real-Time Auditing: Generate comprehensive reports and view access events in real time to maintain strict compliance and operational transparency. Digital Lockout-Tagout by Smartlox is a fully-connected safety solution that utilises Bluetooth Padlocks, Lockout-Tagout Software (Nyckel), and a Secure Cloud Platform. Traditional Lockout-Tagout uses clunky locks and keys, manual paper-trails, and risks human error. Digital Lockout-Tagout isolates hazardous energy while eliminating those issues. It’s easier for workers to use and stay compliant. Management and audits are a breeze with a real-time lockout report right from our mobile application. Digital Lockout-Tagout is the easier and safer solution to controlling hazardous energy.
Screenshots
Verdict
The clearest difference is update cadence: Nyckel at every 4 weeks against CertCheck's every 2 months. CertCheck's advantage is iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and monetization model 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.
CertCheck ships an update every 2 months, Nyckel every 4 weeks. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.
| Parameter | CertCheck | Nyckel |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 2 — better | — |
| 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 | 15.6 |
| Further details — not scored | ||
| Size | 105 MB | 86 MB |
| Age rating | 4+ | 4+ |
| Developer | InfoChip Systems | Smartlox |
Customer experience
CertCheck
Nyckel
In-app purchases
CertCheck
No in-app purchases
Nyckel
No in-app purchases









