# NOSFill vs Nyckel

The clearest difference is update cadence: Nyckel at every 4 weeks against NOSFill's every 4 months. NOSFill's advantage is iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

NOSFill ships an update every 4 months, Nyckel every 4 weeks. The most recent releases landed on September 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | NOSFill | Nyckel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/nyckel/id1641189634/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 weeks** |
| Monetization | — | Free |
| Size | 7 MB | 86 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Edge Construction Supply](https://appshunter.io/developer/1450883486) | [Smartlox](https://appshunter.io/developer/1641189636) |

## What reviewers say

### NOSFill

[App page](https://appshunter.io/ios/app/nosfill/id1450883487)

**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 NOSFill free?

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

### Is Nyckel free?

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

### Do NOSFill or Nyckel have ads?

Neither NOSFill nor Nyckel shows ads.

### Which is updated more often, NOSFill or Nyckel?

NOSFill ships an update every 4 months, and Nyckel every 4 weeks. Most recently, NOSFill was updated on September 20, 2026 and Nyckel on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*