O2Lock vs TROX Ox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
O2Lock
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Opens NFC powered locks from One2Lock. Can operate on Furniture locks, Padlocks and Multi Purpose locks. Allows you to easy share keys between devices.
TROX Ox
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Monitor air quality parameters and change temperature setpoint in buildings using TROX Ox ventilation system
Screenshots
Verdict
The clearest difference is update cadence: O2Lock at every 3 weeks against TROX Ox's every 2 months. O2Lock also leads on iOS requirement (12.0 vs 15.5). On price, ads, in-app purchases and device support 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.
O2Lock ships an update every 3 weeks, TROX Ox every 2 months. The most recent releases landed on September 16, 2026 and September 4, 2026 respectively.
| Parameter | O2Lock | TROX Ox |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 30 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | One2Touch AS | TROX GmbH |
In-app purchases
O2Lock
No in-app purchases
TROX Ox
No in-app purchases
