# ekey bionyx vs Building Defects Tracker

The clearest difference is ads: Building Defects Tracker at none against ekey bionyx's shown. ekey bionyx's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | ekey bionyx | Building Defects Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (22 ratings)](https://appshunter.io/ios/app/ekey-bionyx/id1484053054/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 228 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ekey biometric systems GmbH](https://appshunter.io/developer/893079825) | [Albert Frick](https://appshunter.io/developer/6802014257) |

## What reviewers say

### ekey bionyx

[App page](https://appshunter.io/ios/app/ekey-bionyx/id1484053054)

Control access to your home with your fingerprint and manage users and devices remotely. Receive notifications when doors are opened and integrate with voice assistants for hands-free access. Expand your system and view access logs for enhanced security.

**Highlights:** Fingerprint door unlocking, Remote door opening, Push notifications for access, Voice command integration, Access log history, Expandable system

**Features:** macOS Compatibility

**In-app purchases:** none


### Building Defects Tracker

[App page](https://appshunter.io/ios/app/building-defects-tracker/id6802430409)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ekey bionyx free?

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

### Is Building Defects Tracker free?

Building Defects Tracker is free to download, with no in-app purchases.

### Do ekey bionyx or Building Defects Tracker have ads?

ekey bionyx shows ads; Building Defects Tracker does not.

### Which is updated more often, ekey bionyx or Building Defects Tracker?

ekey bionyx ships an update every 2 months, and Building Defects Tracker every 2 months. Most recently, ekey bionyx was updated on October 26, 2026 and Building Defects Tracker on October 29, 2026.

---

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