OTP Conductor vs BlackCryptoPhone
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OTP Conductor
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OTP Conductor is a suite of applications for iOS, watchOS and macOS that provide 2-factor authentication support. It runs across all your Apple devices and synchronize data via iCloud and iCloud Keychain. Once you add an account, it will be available on all iPhone, Mac and Apple Watch signed in with the same iCloud account. iOS App also supports QR code scan. OTP Conductor is fully compatible with Google Authenticator and provides a more native approach for the Apple ecosystem.
BlackCryptoPhone
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BlackCryptoPhone's accompanying softphone app to the BlackCryptoPhone platform. A SIP softphone app that supports push notifications, HD voice and video, and more. In addition to this, BlackCryptoPhone's app provides • Free calling between app users
Screenshots
Verdict
The clearest difference is update cadence: OTP Conductor at every 9 days against BlackCryptoPhone's every 5 months. BlackCryptoPhone's advantage is iOS requirement (12.0 vs 16.0). 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.
OTP Conductor ships an update every 9 days, BlackCryptoPhone every 5 months. The most recent releases landed on September 8, 2026 and June 11, 2026 respectively.
| Parameter | OTP Conductor | BlackCryptoPhone |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 days — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPod |
| Requires iOS | 16.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 92 MB |
| Age rating | 4+ | 4+ |
| Developer | Wenhuan Li | Musa IDRIS |
In-app purchases
OTP Conductor
No in-app purchases
BlackCryptoPhone
No in-app purchases
Questions
Is OTP Conductor free?
Is BlackCryptoPhone free?
Do OTP Conductor or BlackCryptoPhone have ads?
Which is updated more often, OTP Conductor or BlackCryptoPhone?
Other comparisons
