Comparison

Authenticator vs Sign documents Fast & Secure

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

Head to head
About

Authenticator

This app generates one-time passwords (OTPs) to add an extra layer of security to your online accounts. It supports time-based OTPs for various popular services and offers quick setup via QR code scanning. Designed for privacy and security, it helps protect your data from unauthorized access.

Highlights
  • Generates secure TOTP codes
  • Supports major platforms and services
  • Quick setup with QR code scanning
  • Offline code generation
  • Clean and simple interface
  • Privacy and security focused
Features
Read full description

Secure your online accounts with Authenticator: MFA Auth & TOTP, a fast and reliable app for generating one-time passwords (OTPs) and enabling multi-factor authentication (MFA). Authenticator helps protect your accounts by adding an extra layer of security beyond passwords. It supports time-based one-time passwords (TOTP) used by thousands of popular services, including social media, email, cloud platforms, and more. Key Features * Generate secure TOTP codes for MFA and 2FA * Works with major platforms and services * Quick setup using QR code scanning * Offline code generation * Clean, simple, and easy-to-use interface * Designed with privacy and security in mind Why Use Authenticator Passwords alone are no longer enough. Authenticator provides an additional verification step that helps keep your personal data safe from unauthorized access. Take control of your account security with Authenticator: MFA Auth & TOTP — simple, secure, and dependable. Subscription Information: - Payment. Charges apply to your iTunes Account at purchase confirmation. - Auto-Renewal. Subscriptions renew automatically unless canceled at least 24 hours before the current period ends. - Renewal Charges. Your account will be charged for renewal within 24 hours prior to the end of the current period, based on the selected plan. - Manage Your Subscription. Go to your Account Settings after purchase to handle auto-renewal and other preferences. Privacy Policy: https://telegra.ph/Privacy-Policy--2FA-Authenticator-12-16 Terms Of Use: https://telegra.ph/Terms-of-Use--2FA-Authenticator-12-16

About

Sign documents Fast & Secure

Easily create, sign, and store important documents directly on your device. Import files from various sources, customize your signature, and securely share your signed documents via multiple platforms. All your signed paperwork is kept private and accessible locally.

Highlights
  • Create and sign documents instantly
  • Import documents via camera, gallery, or file manager
  • Customizable signature styles
  • Local document storage and archive
  • Securely export and share signed documents
  • Privacy-focused, data stays on device
Features
Read full description

Sign, store, and share important documents in seconds — securely and entirely on your device. Create & Sign Documents Instantly Import any document using your camera, photo gallery, or file manager. Draw your signature directly on the screen, adjust its style, size, and position, and apply it exactly where needed. Customizable Signatures Fine-tune your signature with adjustable pen thickness, color, and transparency. Stay Organized All signed documents are stored locally in a clean, private archive. Export them anytime and share them via email, messengers, cloud storage, or any other service on your device. Fast, Private & Secure No data leaves your device unless you choose to share it. Your documents stay yours — always. Perfect for: - Contracts and agreements - Invoices and receipts - Permission slips - Any paperwork that needs your signature on the go Get it done. Sign fast. Stay secure. Privacy Policy: https://docs.google.com/document/d/1mT6baoDVgsjdyvTjFOUIB00yvbuzNuOxG3lcL12mvqg/edit?usp=sharing Term of Use: https://docs.google.com/document/d/1MFu4zwXSnDzml_WoP_znJ4OGtUQisZIc7HeGdTmrV60/edit?usp=sharing

Screenshots

Authenticator4 screens
Sign documents Fast & Secure4 screens

Verdict

The call

Authenticator and Sign documents Fast & Secure are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Authenticator sells 3 in-app purchases, starting at $6.99 per 7 days and Sign documents Fast & Secure sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Authenticator against 5.0 for Sign documents Fast & Secure. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

UpkeepUpdate frequency

Authenticator ships an update every 5 weeks, Sign documents Fast & Secure monthly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

ScorecardNo meaningful differences
Authenticator versus Sign documents Fast & Secure: the parameters behind the verdict, then further details
ParameterAuthenticatorSign documents Fast & Secure
PriceFreeFree
Rating5.0 (4 ratings)5.0 (2 ratings)
Number of ratings4 — better2
Update frequencyEvery 5 weeksMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone, iPod — better
Requires iOS16.015.6 — better
Further details — not scored
Size38 MB28 MB
Age rating17+4+
DeveloperDitlev CarlsenUPPER UNIT Korlatolt Felelossegu Tarsasag

In-app purchases

3 purchases

Authenticator

Subscriptions3
  • Weekly3 Days trial$6.997 Days
  • Monthly$19.991 Month
  • Yearly$49.991 Year
2 purchases

Sign documents Fast & Secure

Subscriptions2
  • Unlock full access$5.997 Days
  • Fast & Secure Sign Pro3 Days trial$5.997 Days

Questions

Is Authenticator free?
Authenticator is free to download, with in-app purchases available.
Is Sign documents Fast & Secure free?
Sign documents Fast & Secure is free to download, with in-app purchases available.
Which has better reviews, Authenticator or Sign documents Fast & Secure?
Authenticator and Sign documents Fast & Secure are both rated 5.0 out of 5 on the App Store, from 4 and 2 ratings respectively.
Do Authenticator or Sign documents Fast & Secure have ads?
Neither Authenticator nor Sign documents Fast & Secure shows ads.
Which is updated more often, Authenticator or Sign documents Fast & Secure?
Authenticator ships an update every 5 weeks, and Sign documents Fast & Secure monthly. Most recently, Authenticator was updated on November 5, 2026 and Sign documents Fast & Secure on October 31, 2026.

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