Comparison

Fill and Sign vs Auth Authenticator

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

Head to head
About

Fill and Sign

Streamline document signing with this app. Easily upload, sign, and manage documents from your device or cloud storage. Supports multiple signers and offers secure, compliant signing for professionals and individuals.

Highlights
  • Easy document upload from various sources
  • Add signatures with finger or stylus
  • Support for multiple signers
  • Secure and legally compliant signing
  • Customizable document templates
  • Track document signing progress
  • Offline signing capability
Features
Read full description

Our app is your ultimate solution for digital document signing, offering a fast, secure, and convenient way to sign documents anytime, anywhere. Designed for professionals, businesses, and individuals alike, our product streamlines the signing process, eliminating the need for printing, scanning, or faxing. Key Features: - Easy Document Upload: Import documents directly from your device, email, or cloud storage services like Google Drive and Dropbox. - Effortless Signing: Add your signature with just a tap! Use your finger or stylus to create a personalized signature, or select from pre-made options. - Multiple Signatures: Support for multiple signers on a single document, making it ideal for contracts, agreements, and collaborative projects. - Secure and Compliant: Ensure the integrity of your documents with advanced encryption and compliance with legal standards like eIDAS and UETA. - Customizable Templates: Create and save templates for frequently used documents, making future signing quick and easy. - Track Document Status: Stay updated on your documents' signing progress with real-time notifications and tracking. - Offline Signing: Sign documents without an internet connection, then sync your changes when you’re back online. With our you can enhance productivity, reduce turnaround times, and eliminate paper waste—all while maintaining the highest level of security. Whether you’re a freelancer, a small business owner, or part of a large enterprise, our product adapts to your needs, making document signing as simple as a click of a button. Download our app today and transform the way you handle document signing! After purchasing an auto-renewable subscription, you will gain access to all features, such as: - Unlimited Document Signing: Sign an unlimited number of documents without any restrictions. - Advanced Security: Benefit from enhanced encryption and secure cloud storage for all your signed documents. - Custom Branding: Add your company’s logo and branding to documents for a more professional touch. Subscription Information: - Payment will be charged to your iTunes Account upon confirmation of purchase. - Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. - Your account will be charged for renewal within 24 hours before the end of the current period. - You can manage subscriptions and turn off auto-renewal at any time in your Account Settings after purchase. - Privacy Policy & Terms of Use: http://10853923privacy-policy.tilda.ws

About

Auth Authenticator

Secure your accounts with advanced two-factor authentication and biometric protection. This app provides instant access to OTP codes, syncs across devices, and allows for easy QR code generation. It offers robust security features with a sleek, intuitive interface.

Highlights
  • End-to-end encryption
  • Biometric lock (Face ID)
  • Instant OTP code access
  • Cross-device sync (iPhone, iCloud, Watch)
  • Home screen widgets
  • QR code generation
Features
Read full description

Experience Next-Level Security Generate verification codes on your device and protect app access with biometric authentication. Whether you’re logging in to social media or safeguarding workplace accounts, our Advance Authenticator helps keep your OTP codes organized and instantly accessible. Note: One OTP entry can be added for free; additional OTP entries require an in-app purchase or subscription. Stay Synced & Convenient Effortlessly sync codes across iPhone, iCloud, and Watch. Enjoy on-the-go access to your most important logins - no extra steps needed. Home screen widgets put your codes front and center for even faster access. Generate QR Codes Create custom QR codes in seconds using our sleek, ready-made templates. Easily generate codes for website links, text, WiFi, business cards, SMS, and social media accounts. Why Choose This Authenticator? • On-Device Codes. Verification codes are generated on your device. • Biometric Lock. Quickly unlock using Face ID. • Instant Setup. Easily import, generate, or scan codes for all your favorite services. • Sleek & Intuitive. A clean interface designed for speed and simplicity. Subscription Details 1. Unlimited Access. Enjoy fast, seamless performance with limitless additions of OTP codes, enhanced security features, and widjets, iCloud & Apple Watch sync and even more. 2. Flexible Plans. Select from weekly, monthly, or yearly subscriptions that best fit your security needs. 3. Auto-Renewal. Your iTunes account is charged at the end of any free trial period. Subscriptions renew automatically unless auto-renewal is turned off at least 24 hours before the current cycle ends. 4. Easy Management. Modify or cancel your subscription anytime through your iTunes Account Settings. Technical Profiles and Data Collection No separate Auth sign-up or login account is required. The app automatically creates a persistent technical identifier and service profiles for subscription management and analytics. These profiles are not user-created login accounts. We use Adapty for subscription management, Amplitude for app analytics, and Firebase for configuration and crash reporting. Our App Store privacy disclosure lists user identifiers, app interactions, and crash reports as Data Not Linked to You. We do not use this data for advertising tracking. Our Privacy Policy is available at https://telegra.ph/authy-privacy-10-06 and our Terms of Use at https://telegra.ph/Authy-10-06 Download now to keep your verification codes organized and easy to access.

Screenshots

Fill and Sign4 screens
Auth Authenticator4 screens

Verdict

The call

The clearest difference is rating: Auth Authenticator at 4.9 against Fill and Sign's 4.6. Auth Authenticator also leads on update cadence (every 5 weeks vs every 3 months) and device support (3 vs 1). On price, review sentiment, ratings volume and ads 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. Fill and Sign sells 1 in-app purchase, starting at $6.99 per 7 days and Auth Authenticator sells 2 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Auth Authenticator holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 15 and 28 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Fill and Sign ships an update every 3 months, Auth Authenticator every 5 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
Fill and Sign versus Auth Authenticator: the parameters behind the verdict, then further details
ParameterFill and SignAuth Authenticator
PriceFreeFree
Rating4.6 (15 ratings)4.9 (28 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings1528 — better
Update frequencyEvery 3 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone, iPad, Apple Watch — better
Requires iOS17.017.0
Further details — not scored
Size7 MB105 MB
Age rating4+4+
DeveloperJanko BilykEnveloc, Inc

Customer experience

Fill and Sign

All ratings15 ratings
Positive86.7%
Neutral6.7%
Negative6.7%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Auth Authenticator

All ratings28 ratings
Positive96.4%
Neutral3.6%
Negative0.0%
Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Fill and Sign

Subscriptions1
  • Scan Sign documents no limit3 Days trial$6.997 Days
2 purchases

Auth Authenticator

Subscriptions2
  • Weekly3 Days trial$6.997 Days
  • Monthly$19.991 Month

Questions

Is Fill and Sign free?
Fill and Sign is free to download, with in-app purchases available.
Is Auth Authenticator free?
Auth Authenticator is free to download, with in-app purchases available.
Which has better reviews, Fill and Sign or Auth Authenticator?
Auth Authenticator is rated higher. Fill and Sign averages 4.6 out of 5 from 15 ratings, while Auth Authenticator averages 4.9 from 28 ratings.
Do Fill and Sign or Auth Authenticator have ads?
Neither Fill and Sign nor Auth Authenticator shows ads.
Which is updated more often, Fill and Sign or Auth Authenticator?
Fill and Sign ships an update every 3 months, and Auth Authenticator every 5 weeks. Most recently, Fill and Sign was updated on October 25, 2026 and Auth Authenticator on October 24, 2026.

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