O2Lock vs smark lock
Price, ratings, monetisation and update history for both apps, side by side โ 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.
smark lock
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Screenshots
Verdict
The clearest difference is update cadence: O2Lock at every 3 weeks against smark lock's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท 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, smark lock every 4 months. The most recent releases landed on September 16, 2026 and September 9, 2026 respectively.
| Parameter | O2Lock | smark lock |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks โ better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 โ better | 13.0 |
| Further details โ not scored | ||
| Size | 30 MB | 40 MB |
| Age rating | 4+ | 17+ |
| Developer | One2Touch AS | ้ ็ |
In-app purchases
O2Lock
No in-app purchases
smark lock
No in-app purchases
