Comparison

Auth Authenticator vs eSign

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

Head to head
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.

About

eSign

Digitize, fill, and sign documents with your device's camera or stylus. Import from cloud storage, attach files, and share instantly. No login or subscription required for basic use.

Highlights
  • Scan documents with camera
  • Fill forms with text, images, and more
  • Add hand-drawn or imported signatures
  • Import documents from cloud storage
  • Attach additional documents
  • Print documents directly
Features
Read full description

Easily sign and send documents with Scan, eSign & Fill Documents, all at your fingertips. It’s the simplest solution for your business needs, without any login or registration, and no expensive subscription charges. You can easily scan a document using your device’s camera, fill your documents within the app, and add your real signature with your finger or using a stylus. If you prefer a pen-drawn signature, you can simply sign on paper, capture a photo, and insert it into your document. Import and prepare your document entirely on your device and share it instantly. KEY FEATURES: SCAN: Quickly create a PDF scan from your camera within the app and digitize your paper documents. FILL: Fill out documents and forms with multiple options for adding Text, Checkmarks, Date, Images, QR Code, and more. SIGN: Sign realistically with hand-drawn signatures or add Initials within the app and digitally sign your documents. IMPORT: Import documents from Dropbox, OneDrive, Google Drive, iTunes Share, URL, and through other apps with “Open In” functionality. ATTACH DOCUMENTS: Attach any document at the end of your ready PDF and send it wherever you like. PRINT: You may even print your documents directly from your device and handle paperwork efficiently. Privacy Policy: https://telegra.ph/Privacy-Policy-03-04-99 Terms of use: https://telegra.ph/Terms-of-Use-03-04-2

Screenshots

Auth Authenticator4 screens
eSign4 screens

Verdict

The call

The clearest difference is review sentiment: Auth Authenticator at 100% against eSign's 50%. Auth Authenticator also leads on rating (4.9 vs 4.3). eSign's advantage is update cadence (every 3 days vs every 5 weeks). On price, ratings volume, 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. Auth Authenticator sells 2 in-app purchases, starting at $6.99 per 7 days and eSign sells 3 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 4.3. Both are backed by a comparable volume of ratings — 28 and 18 respectively. Written reviews point the same way: 100% of Auth Authenticator's written reviews are positive against 50% of eSign's.

UpkeepUpdate frequency

Auth Authenticator ships an update every 5 weeks, eSign every 3 days. Both last shipped on October 24, 2026.

Scorecard3 real differences · 7 level
Auth Authenticator versus eSign: the parameters behind the verdict, then further details
ParameterAuth AuthenticatoreSign
PriceFreeFree
Rating4.9 (28 ratings) — better4.3 (18 ratings)
Positive reviews100.0% of reviews — better50.0% of reviews
Number of ratings28 — better18
Update frequencyEvery 5 weeksEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS17.016.0 — better
Further details — not scored
Size105 MB30 MB
Age rating4+4+
DeveloperEnveloc, IncTimon Scherzinger

Customer experience

Auth Authenticator

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

eSign

All ratings18 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

2 purchases

Auth Authenticator

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

eSign

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

Questions

Is Auth Authenticator free?
Auth Authenticator is free to download, with in-app purchases available.
Is eSign free?
eSign is free to download, with in-app purchases available.
Which has better reviews, Auth Authenticator or eSign?
Auth Authenticator is rated higher. Auth Authenticator averages 4.9 out of 5 from 28 ratings, while eSign averages 4.3 from 18 ratings.
Do Auth Authenticator or eSign have ads?
Neither Auth Authenticator nor eSign shows ads.
Which is updated more often, Auth Authenticator or eSign?
Auth Authenticator ships an update every 5 weeks, and eSign every 3 days. Most recently, Auth Authenticator was updated on October 24, 2026 and eSign on October 24, 2026.

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