# CertCheck vs Nyckel

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.

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.

## The numbers

| Metric | CertCheck | Nyckel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/certcheck/id1523049044/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 105 MB | 86 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [InfoChip Systems](https://appshunter.io/developer/885588364) | [Smartlox](https://appshunter.io/developer/1641189636) |

## 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


### Nyckel

[App page](https://appshunter.io/ios/app/nyckel/id1641189634)

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

**In-app purchases:** none


## Frequently asked 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.

### 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 October 3, 2026 and Nyckel on October 2, 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.*