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Best Digital Sign In System Apps

0+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated June 2026

Zoho Sign is the household name in digital sign in system, but it's far from the only option. We track 0+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Digital Sign In System

Zoho Sign - Fill & eSign Docs#1

Zoho Sign - Fill & eSign Docs by Zoho Corporation

e-Sign PDF docs & forms
Editor's Choice
💼 Business
4.8😊(827 ratings)
FreeIn-App Purchases
Zoho Sign - Fill & eSign Docs screenshot 1
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Zoho Sign - Fill & eSign Docs screenshot 3
Zoho Sign - Fill & eSign Docs screenshot 4
Zoho Sign - Fill & eSign Docs screenshot 5
Zoho Sign - Fill & eSign Docs screenshot 6

Securely sign and manage digital documents from any device. This cloud-based solution integrates with your favorite apps, offering legally binding e-signatures, custom templates, and real-time tracking for efficient document workflows.

What We Love

  • 👍 Easy to use and intuitive interface
  • 🚀 Fast and efficient signing process
  • 💰 Flexible pricing with free tier option
  • 📱 Mobile app functionality works well

Room to Improve

  • 🎨 UI needs to feel more native to platform
  • 📧 Email templates look unprofessional and outdated
  • 🖥️ Mobile Safari web version has poor layout
JustIN Mobile#2

JustIN Mobile by Salto Systems S.L.

Strong Contender
🔧 Utilities
4.5😞(2.8K ratings)
Free
JustIN Mobile screenshot 1
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JustIN Mobile screenshot 3
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This app allows users to manage building access using their smartphone. It provides digital keys for doors, elevators, and car park barriers, eliminating the need for physical keys and simplifying access control across multiple locations.

What We Love

  • ⭐ Works great
  • 🔑 Convenient digital key
  • 🔍 Helpful widget feature

Room to Improve

  • 🔌 Unreliable connectivity
  • 🔒 Frequent lock-outs
  • ⏱️ Slow performance
VeriFLY: Fast Digital Identity#3

VeriFLY: Fast Digital Identity by Daon, Inc

Less Contact, More Speed.
Worth Considering
✈️ Travel
4.6😞(503K ratings)
Free
VeriFLY: Fast Digital Identity screenshot 1
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VeriFLY: Fast Digital Identity screenshot 4
VeriFLY: Fast Digital Identity screenshot 5
VeriFLY: Fast Digital Identity screenshot 6

This app offers secure digital credentials to streamline in-person experiences. It enables less physical contact, faster processing, and increased confidence for users.

What We Love

  • 🚀 Smooth and efficient check-in process
  • 👍 Easy to use and follow instructions
  • 🚀 Saves time at the airport
  • 🚀 Streamlines travel documentation

Room to Improve

  • 🐛 Inconsistent document verification
  • 🐛 Buggy and glitchy app experience
  • 🤔 Unclear how the app integrates with airlines

More Digital Sign In System apps to explore

4
Singpass
Singpass
Singpass
Your trusted digital identity
Free

Access government services and manage your digital identity securely. Log in quickly using biometrics or a passcode, sign documents digitally, and receive notifications. This app simplifies transactions and provides a trusted way to interact with digital services.

Biometric login (fingerprint, face)QR code loginDigital signing of documents
📊 Productivity
(7.5K)
free
5
ID123 Digital ID Card App
ID123 Digital ID Card App
ID123 Digital ID Card App
Student, Employee & Member ID
Free

Securely issue and manage digital ID cards for students, employees, and members. Administrators can create temporary IDs for events and share member cards with family.

Digital ID card issuanceSecure ID managementTemporary ID creation
🔧 Utilities
(5.9K)
free
6
Bitwarden Password Manager
Bitwarden Password Manager
Bitwarden Password Manager
Secure your digital life
Free

Secure your digital life by generating and storing unique, strong passwords for all your accounts in an end-to-end encrypted vault. Access your data securely across unlimited devices and share sensitive information with others.

End-to-end encrypted password vaultUnlimited password and passkey storageCross-platform access
📊 Productivity
(29K)
freemium
7
OptiSigns Digital Signage
OptiSigns Digital Signage
OptiSigns Digital Signage
Digital Signage made simple
Free

Transform any screen into a dynamic digital sign. Easily update and manage content remotely, displaying images, videos, and documents. Create custom playlists and schedule content for businesses like restaurants, bars, and offices.

Transform any screen into a digital signRemotely update and manage screensDisplay images, videos, or documents
📊 Productivity
(4)
free
8
Yoti - Your digital identity
Yoti - Your digital identity
Yoti - Your digital identity
Yoti is your ID on your phone
Free

Securely store and share your verified identity and credentials. Prove who you are to businesses and individuals, manage logins with a password manager, and add an extra layer of security to online accounts. Your data is encrypted and only accessible by you.

Secure digital identityProve identity and ageStore and share credentials
📊 Productivity
(11K)
free with in-app purchases
9
Sign In Companion (iPhone)
Sign In Companion (iPhone)
Sign In Companion (iPhone)
Mobile sign in and evacuation
Free

Manage your workday and visitor logistics from your smartphone. This app allows for quick check-ins, booking of desks and rooms, and real-time safety roll calls. It also facilitates visitor registration and document management.

Remote and mobile sign-inAuto sign-in and outReal-time safety roll calls
💼 Business
(2)
free
10
KRDPass
KRDPass
KRDPass
Kurdistan Regional Government
Free

This app provides a secure and convenient way for citizens to access government services using their digital ID and biometrics. It allows for password-free logins, digital document storage, and access to various government resources from a smartphone.

Secure biometric loginDigital identity verificationDigital document vault
🔧 Utilities
(285)
free
11
1Password: Password Manager
1Password: Password Manager
1Password: Password Manager
Save & share passwords safely
Free

Securely store, generate, and autofill passwords and passkeys across all your devices. This app also manages other sensitive information like credit cards and notes, with features for secure sharing and travel.

Generate strong passwordsAutofill loginsTwo-factor authentication codes
📊 Productivity
(20K)
freemium
12
NINAuth
NINAuth
NINAuth
Digital Identity Verification
Free

Securely verify, manage, and protect your digital identity using your National Identity Number. This app offers a user-friendly and seamless experience for on-the-go identity management.

Digital identity verificationIdentity managementSecure identity protection
🔧 Utilities
(3.9K)
free
13
GOV.UK One Login
GOV.UK One Login
GOV.UK One Login
Government Digital Service
Free

Securely prove your identity for government services by matching your face to your photo ID. This app also allows you to store a digital version of your HM Armed Forces Veteran Card on your phone.

Digital identity verificationFace-to-face ID matchingStore digital Veteran Card
🔧 Utilities
(2.3K)
free
14
Okta Verify
Okta Verify
Okta Verify
by Okta, Inc.
Free

This app provides a secure way to verify your identity for account access. It offers two-factor authentication through temporary codes or push notifications. The app prioritizes privacy, only requesting camera access for initial device registration.

Two-step verificationGenerate 6-digit codesApprove sign-in requests via push notification
💼 Business
(37K)
free
15
Brivo Mobile Pass
Brivo Mobile Pass
Brivo Mobile Pass
by Brivo Inc.
Free

Unlock secured areas using your smartphone as a digital access credential. This app works with the Brivo Access platform, eliminating the need for physical keys and cards. Administrators can easily issue digital passes via email.

Smartphone access credentialDigital key replacementWorks with Brivo Access
🔧 Utilities
(154K)
free
16
Digidentity Wallet
Digidentity Wallet
Digidentity Wallet
Digital identity made easy
Free

Manage your digital identity securely and easily. Log in to services with high assurance and sign documents using qualified e-signatures. Control your personal data and access a range of verified identity services.

Secure digital identity managementHigh assurance loginQualified e-signatures (QES)
📊 Productivity
(629)
free
17
HammerTech Sign-in Book
HammerTech Sign-in Book
HammerTech Sign-in Book
Worker and Visitor Sign-in
Free

This app serves as an electronic sign-in book for workers and visitors already in the HammerTech system. It automatically logs their arrival and departure, contributing to daily reports and calculating project hours. The app also generates an on-site contact list for communication and emergencies.

Electronic sign-in/sign-outAutomatic daily report entryWorker hour calculation
📊 Productivity
(6)
free
18
TrustMe: Your Digital Identity
TrustMe: Your Digital Identity
TrustMe: Your Digital Identity
Digital Identity for All
Free

Create and manage your secure digital identity on your smartphone in minutes. Use it to easily and safely connect to various online services, proving who you are without risk of fraud. Your data is protected and GDPR compliant.

Create digital identity in under 3 minutesSecure authentication for online servicesGDPR compliant data protection
🔧 Utilities
(51)
free
19
SplashID Safe Password Manager
SplashID Safe Password Manager
SplashID Safe Password Manager
by SplashData
Free

Securely store and manage sensitive personal information, including passwords, credit card details, and account numbers. Access your data across multiple devices with robust encryption and convenient sync options. Protect your digital life with advanced security features.

Password storageCredit card data storageCross-device sync
📊 Productivity
(1K)
free with in-app purchases
20
Authenticator App†
Authenticator App†
Authenticator App†
2FA Authentication MFA OTP
Free

Secure your online accounts with a versatile two-factor authentication solution. Manage all your authentication codes in one place, offering enhanced security for websites, services, and crypto wallets. Supports biometric access and offline code generation.

Two-factor authentication (2FA)Multi-factor authentication (MFA)Time-based one-time passwords (TOTP)
🔧 Utilities
(1.8K)
free with in-app purchases