OTP Authenticator vs ITRun mOTP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OTP Authenticator
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Swiss SafeLab OTP Authenticator is a free strong one-time password app fully compliant to the mOTP specification (http://motp.sourceforge.net/). mOTP is based on time synchronized one-time-passwords. Swiss SafeLab OTP Authenticator Features: - MUI Support (English, German, Swiss German, French, Italian, Spanish) - multiple accounts with individual mOTP Secret and bookmark - supports bookmarks - define mOTP Secret by - manual mOTP Secret input - shaking the device - random seed input - supports 4 digit PIN (as by specification) - supports alphanumeric PIN - permanently hide mOTP Secret after profile creation - displays current epoch time, local time and local time zone - copy-to-clipboard support - option to generate new mOTPs without the requirement of entering PIN again Swiss SafeLab OTP Authenticator is supported by our pure software-based two factor authentication solution Swiss SafeLab M.ID Suite (https://www.swiss-safelab.com/mid/).
ITRun mOTP
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The is application used to generate one-time login passwords in the mOTP standard.
Screenshots
Verdict
The clearest difference is update cadence: OTP Authenticator at every 5 months against ITRun mOTP's every 29 months. OTP Authenticator also leads on iOS requirement (7.0 vs 13.0). 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 Authenticator ships an update every 5 months, ITRun mOTP every 29 months. The most recent releases landed on September 20, 2026 and October 2, 2026 respectively.
| Parameter | OTP Authenticator | ITRun mOTP |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months — better | Every 29 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 7.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 16 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Swiss SafeLab GmbH | ITRun |
In-app purchases
OTP Authenticator
No in-app purchases
ITRun mOTP
No in-app purchases
Questions
Is OTP Authenticator free?
Is ITRun mOTP free?
Do OTP Authenticator or ITRun mOTP have ads?
Which is updated more often, OTP Authenticator or ITRun mOTP?
Other comparisons
