Comparison

CertCheck vs Nyckel

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Equipment safety certificate verification
  • Real-time certification status
  • Flag equipment for inspection
  • Access to safety inspection data
  • Part of TESSALink CertNet suite
Read full description

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.

About

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.

Highlights
  • 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
Read full description

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

CertCheck2 screens
Nyckel4 screens

Verdict

The call

The clearest difference is rating: CertCheck at 5.0 against Nyckel's 4.0. CertCheck also leads on iOS requirement (12.0 vs 15.6). Nyckel's advantage is update cadence (every 4 weeks vs every 2 months). On price, ratings volume, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

CertCheck holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

CertCheck ships an update every 2 months, Nyckel every 4 weeks. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
CertCheck versus Nyckel: the parameters behind the verdict, then further details
ParameterCertCheckNyckel
PriceFreeFree
Rating5.0 (2 ratings) — better4.0 (1 ratings)
Positive reviews—100.0% of reviews
Number of ratings2 — better1
Update frequencyEvery 2 monthsEvery 4 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.6
Further details — not scored
Size105 MB86 MB
Age rating4+4+
DeveloperInfoChip SystemsSmartlox

Customer experience

CertCheck

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Nyckel

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

CertCheck

No in-app purchases

None

Nyckel

No in-app purchases

Questions

Is CertCheck free?
CertCheck is free to download, with no in-app purchases.
Is Nyckel free?
Nyckel is free to download, with no in-app purchases.
Which has better reviews, CertCheck or Nyckel?
CertCheck is rated higher. CertCheck averages 5.0 out of 5 from 2 ratings, while Nyckel averages 4.0 from 1 ratings.
Do CertCheck or Nyckel have ads?
Neither CertCheck nor Nyckel shows ads.
Which is updated more often, CertCheck or Nyckel?
CertCheck ships an update every 2 months, and Nyckel every 4 weeks. Most recently, CertCheck was updated on November 7, 2026 and Nyckel on November 3, 2026.

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