Best Authorization App Merchant

236+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated June 2026

Looking for free authorization app merchant apps? 20 of our 236+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Authorization App Merchant

3.9(16 ratings)
Free
PhoneSwipe - Merchant Services screenshot 1
PhoneSwipe - Merchant Services screenshot 2
PhoneSwipe - Merchant Services screenshot 3
PhoneSwipe - Merchant Services screenshot 4
PhoneSwipe - Merchant Services screenshot 5

The application allows you to transform your iPhone or iPad into a credit card reader, enabling you to accept payments from Visa, Mastercard, American Express, Discover, and PayPal. It offers a free app, a merchant account, and various features to help you manage and grow your business, such as secure transactions, item tracking, discounts, and real-time reporting.

GCB Mobile App#2

GCB Mobile App by GCB Bank PLC

GCB Mobile App
Strong Contender
💰 Finance
3.4😞(283 ratings)
Free
GCB Mobile App screenshot 1
GCB Mobile App screenshot 2
GCB Mobile App screenshot 3
GCB Mobile App screenshot 4
GCB Mobile App screenshot 5
GCB Mobile App screenshot 6

"Access all your banking needs on the go with the ultimate financial solution. From bill payments to term deposits, manage everything securely using fingerprint or face ID. Download now for a seamless experience!"

What We Love

  • 👍 Superb Interface
  • 👍 Seamless and user friendly
  • 👍 Excellent app for perfect banking

Room to Improve

  • 🐛 App crashes frequently
  • 🐛 Transactions not reflecting
  • 🐛 Mobile money transactions failing
Authenticator App#3

Authenticator App by UNSTABLE, SL

2FA Authentication MFA & OTP
Worth Considering
📊 Productivity
4.6😊(46K ratings)
FreeIn-App Purchases
#40in Productivity
Authenticator App screenshot 1
Authenticator App screenshot 2
Authenticator App screenshot 3
Authenticator App screenshot 4
Authenticator App screenshot 5
Authenticator App screenshot 6

Protect your accounts with an advanced authentication app offering both Two-Factor Authentication (2FA) and Multi-Factor Authentication (MFA) features. Secure your online presence now.

What We Love

  • 🚀 Works well
  • 🔒 Secure and reliable
  • 👍 Easy to use and set up
  • 💡 Excellent cross-device sync and backup

Room to Improve

  • 🐛 Compatibility issues with newer devices
  • 💰 Expensive subscription
  • 🔒 Limited free version

More Authorization App Merchant apps to explore

4
Authenticator App - 2FA, OTP
Authenticator App - 2FA, OTP
Authenticator App - 2FA, OTP
Authenticator App - 2FA, OTP
Free
🔧 Utilities
(53)
5
Authenticator App - 2FA MFA
Authenticator App - 2FA MFA
Authenticator App - 2FA MFA
2FA, Two Factor Authentication
Free
🔧 Utilities
(287)
6
Authenticator App - OneAuth
Authenticator App - OneAuth
Authenticator App - OneAuth
Secure your online accounts
Free

Secure your online accounts with an industry-standard authenticator app. Enable two-factor authentication, back up and sync accounts across all devices easily, and enjoy enhanced security features like passwordless sign-in and biometric authentication. Download now to experience enhanced online security.

🔧 Utilities
(33K)
7
Merchant lite
Merchant lite
Merchant lite
App for Wolt merchants
Free
💼 Business
(4)
8
Authenticator App-2FAS・MFA・OTP
Authenticator App-2FAS・MFA・OTP
Authenticator App-2FAS・MFA・OTP
Two Factor Authentication・TOTP
Free

Get secure two-factor authentication and safeguard your online accounts with our app, which provides effortless setup, biometric authentication, and cloud backups for your time-based one-time passcodes. Download and secure your digital life today!

🔧 Utilities
(400)
9
Imprint App
Imprint App
Imprint App
Cards & Rewards
Free

An innovative card organization app designed to help you declutter and digitize your physical card collection easily. Say goodbye to bulky wallets and scattered cards – manage them all with just a few taps on your phone! Download now to simplify your life.

💰 Finance
(24K)
10
Authenticator App · 2FA
Authenticator App · 2FA
Authenticator App · 2FA
2FA: Two Factor Authentication
Free

An ultra-secure 2FA app for safeguarding online accounts with TOTP generation and account synchronization across devices. Protect your accounts and streamline 2FA codes management with ease.

🔧 Utilities
(343)
11
Merchants Bank N.A. Mobile
Merchants Bank N.A. Mobile
Merchants Bank N.A. Mobile
Merchants Bank N.A.
Free

Access your Merchants Bank accounts securely on-the-go with the mobile banking app. Enjoy features like mobile deposits, Fast Balances, bill payments, credit score checks, and card travel notifications. Enroll easily and bank conveniently with face and touch ID.

💰 Finance
(4K)
12
Ollo Credit Card Mobile App
Ollo Credit Card Mobile App
Ollo Credit Card Mobile App
Easily manage your Ollo card
Free

This mobile app allows users to easily manage their credit card account, make payments, and stay informed about their credit score, all from anywhere. With features like instant card locking, travel notifications, and easy activation, users can experience smarter credit card management by downloading the app now.

💰 Finance
(296)
13
Authenticator App+
Authenticator App+
Authenticator App+
2FA Two Factor Authentication
Free

Secure all your online accounts with our Authenticator App. Easily scan, generate, and save 2FA codes for enhanced security. Download now for peace of mind online!

📊 Productivity
(12K)
14
Authenticator App ®
Authenticator App ®
Authenticator App ®
Authenticator for Google
Free

Secure your accounts with our authentication app that adds an extra layer of protection using two-factor and multi-factor authentication. Keep your online accounts safe and secure by enabling this feature today!

📊 Productivity
(225)
15
Credit Card Terminal & Reader
Credit Card Terminal & Reader
Credit Card Terminal & Reader
Swipe Point of Sale (Stripe)
Free

This app provides a convenient way for users to accept credit card payments through their smartphones. It features secure transaction processing and detailed sales reports for better financial tracking. Accept payments on the go with ease!

💼 Business
(14)
16
Shopify: Sell online/in person
Shopify: Sell online/in person
Shopify: Sell online/in person
Your mobile ecommerce platform
Free

An app that empowers users to start and manage ecommerce businesses from their mobile devices with features like product management, order processing, real-time data insights, multichannel selling, marketing campaigns, customer follow-up, and customization options. Join now to efficiently run your online store on the go.

💼 Business
(37K)
17
Authenticator App ©
Authenticator App ©
Authenticator App ©
2FA: Two-Factor Authentication
Free

An easy-to-use 2FA Authenticator app that enhances the security of online accounts by generating one-time passwords for two-factor authentication. Simply scan QR codes to set up 2FA instantly for services like Google, Facebook, and more, ensuring secure logins without the need to remember multiple passwords.

📊 Productivity
(538)
18
Authenticator App • 2FA • MFA
Authenticator App • 2FA • MFA
Authenticator App • 2FA • MFA
Secure Passwords with 2FA, MFA
Free

Secure your accounts effortlessly with the ultimate Authenticator app for Two-Factor Authentication and Multi-Factor Authentication. With quick setup, cloud backup, and integrated Password Manager, ensure robust security across all your devices. Download now to authenticate with confidence and safeguard your digital life.

🔧 Utilities
(856)
19
Authenticator App ‧
Authenticator App ‧
Authenticator App ‧
2FA Two Factor Authentication
Free

Enhance your account security with our cutting-edge Authenticator App. Safeguard your accounts with two-factor authentication, secure account addition via QR code scanning, encrypted iCloud backup, compatibility with over 1000 popular apps, and seamless face recognition technology. Subscribe now for comprehensive security solutions!

📊 Productivity
(1.1K)
20
Paystack Merchant
Paystack Merchant
Paystack Merchant
by Paystack Payments Limited
Free

This application enables businesses to receive payments from customers globally through various payment methods, and provides tools for managing transactions and account settings. Download the app to start getting paid internationally and take control of your business finances.

💼 Business
(20)