Comparison

OTP Authenticator vs Mobile OTP Authenticator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

OTP Authenticator

Features
Read full description

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/).

About

Mobile OTP Authenticator

Securely manage your two-factor authentication codes. Easily add accounts by scanning QR codes or manual entry. Protect your online accounts with industry-standard HOTP and TOTP algorithms.

Highlights
  • QR code scanning for account setup
  • Manual account entry
  • Secure data storage in iOS Keychain
  • Supports HOTP and TOTP algorithms
  • Works with popular services like Google, Facebook, Amazon
Read full description

Scan the QR code issued by the two-factor authentication and automatically add the account you want to protect or select manual entry to manually set up the account. The account is stored in data security in the iOS key holder. The application supports all services that provide two-factor authentication using HOTP and TOTP algorithms. For example, Google, Facebook, Dropbox, Amazon, GitHub, Synology…. etc.

Screenshots

OTP Authenticator4 screens
Mobile OTP Authenticator3 screens

Verdict

The call

The clearest difference is iOS requirement: OTP Authenticator at 7.0 against Mobile OTP Authenticator's 15.6. On price, update cadence, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

OTP Authenticator ships an update every 5 months, Mobile OTP Authenticator every 8 months. The most recent releases landed on September 20, 2026 and September 28, 2026 respectively.

Scorecard1 real difference · 9 level
OTP Authenticator versus Mobile OTP Authenticator: the parameters behind the verdict, then further details
ParameterOTP AuthenticatorMobile OTP Authenticator
PriceFreeFree
Rating—3.5 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 5 months — betterEvery 8 months
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS7.0 — better15.6
Further details — not scored
Size16 MB2 MB
Age rating4+4+
DeveloperSwiss SafeLab GmbHAlbert Parti

In-app purchases

None

OTP Authenticator

No in-app purchases

None

Mobile OTP Authenticator

No in-app purchases

Questions

Is OTP Authenticator free?
OTP Authenticator is free to download, with no in-app purchases.
Is Mobile OTP Authenticator free?
Mobile OTP Authenticator is free to download, with no in-app purchases.
Do OTP Authenticator or Mobile OTP Authenticator have ads?
Neither OTP Authenticator nor Mobile OTP Authenticator shows ads.
Which is updated more often, OTP Authenticator or Mobile OTP Authenticator?
OTP Authenticator ships an update every 5 months, and Mobile OTP Authenticator every 8 months. Most recently, OTP Authenticator was updated on September 20, 2026 and Mobile OTP Authenticator on September 28, 2026.

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