OTAC auth vs BxPMaster
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
OTAC auth
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Experience rapid and secure user/device authentication through OTAC's 8-character code. โ Quick and Easy, No Registration: Streamlined authentication without the hassle of sign-up or login processes. Your privacy is paramount; no personal information required. โ Secure Authentication with OTAC Code: Ensure robust security with time-sensitive OTAC codes. Safely access your accounts using a code that expires after a specific duration. โ Manage Multiple Accounts Easily: Effortlessly authenticate multiple accounts using a single OTAC auth app. Register and manage up to 20 accounts securely.
BxPMaster
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This is a tool provided to lock manufacturers for entering and search information about smart locks. This tool does not provide a registration or logout process for accounts; instead, it uses vendor accounts for login. If you need to register or logout an account, please contact the vendor's backend management portal for assistance. 1. Factory management, SKU management, Personnel management. 2. Device Register, Device Search, Device Data Export.
Screenshots
Verdict
The clearest difference is iOS requirement: BxPMaster at 12.0 against OTAC auth's 15.0. On price, update cadence, ads and in-app purchases 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.
OTAC auth ships an update every 6 weeks, BxPMaster monthly. Both last shipped on November 8, 2026.
| Parameter | OTAC auth | BxPMaster |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Monthly โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPod |
| Requires iOS | 15.0 | 12.0 โ better |
| Further details โ not scored | ||
| Size | 10 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | swIDch Limited | Hangzhou Sciener Smart Technology |
In-app purchases
OTAC auth
No in-app purchases
BxPMaster
No in-app purchases









