Comparison

OTP Authenticator vs GCP Login

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

Head to head
About

OTP Authenticator

Features
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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/).

About

GCP Login

Features
Read full description

--- GCP Login Application generates one time login passwords for Grupa Polsat in accordance with the mOTP. It allows for 2 methods of profile provisioning: 1. Manual – you need to manually rewrite Secret from mobile app to web application to map profile to domain account 2. Using QR code – after scanning the QR code from web application profile connected with specific domain account is automatically created Application in version 1.0 do not support HOTP i TOTP standards.

Screenshots

OTP Authenticator4 screens
GCP Login4 screens

Verdict

The call

The clearest difference is update cadence: OTP Authenticator at every 5 months against GCP Login's every 19 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 Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· 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, GCP Login every 19 months. The most recent releases landed on September 20, 2026 and October 16, 2026 respectively.

Scorecard2 real differences Β· 4 level
OTP Authenticator versus GCP Login: the parameters behind the verdict, then further details
ParameterOTP AuthenticatorGCP Login
PriceFreeFree
Update frequencyEvery 5 months β€” betterEvery 19 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS7.0 β€” better13.0
Further details β€” not scored
Size16 MB5 MB
Age rating4+4+
DeveloperSwiss SafeLab GmbHPolkomtel Sp. z o.o.

In-app purchases

None

OTP Authenticator

No in-app purchases

None

GCP Login

No in-app purchases

Questions

Is OTP Authenticator free?
OTP Authenticator is free to download, with no in-app purchases.
Is GCP Login free?
GCP Login is free to download, with no in-app purchases.
Do OTP Authenticator or GCP Login have ads?
Neither OTP Authenticator nor GCP Login shows ads.
Which is updated more often, OTP Authenticator or GCP Login?
OTP Authenticator ships an update every 5 months, and GCP Login every 19 months. Most recently, OTP Authenticator was updated on September 20, 2026 and GCP Login on October 16, 2026.

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