OTP Auth VS FirsTech

• Security
  OTP Auth provides an additional layer of security by requiring a one-time password that changes periodically, making it harder for unauthorized users to gain access.
• Open Source
  The project is open-source, allowing for transparency in its security implementation and enabling community contributions to its development and improvement.
• Standards Compliance
  OTP Auth supports industry standards such as TOTP (Time-based One-Time Password) and HOTP (HMAC-based One-Time Password), ensuring compatibility with various services and systems.
• Cross-Platform
  The application supports multiple platforms, making it versatile and accessible on different devices, whether you're using iOS, Android, or other operating systems.
• User-Friendly
  OTP Auth features an intuitive user interface, which makes it easier for users to set up and manage their OTP tokens.

Possible disadvantages

• Dependency on Device
  Since OTP Auth relies on the availability of the user's device to generate the one-time passwords, losing the device or having it malfunction can impede access to services.
• Initial Setup Complexity
  The initial setup process can be daunting for non-technical users, especially those who are unfamiliar with two-factor authentication systems.
• No Cloud Backup
  Without built-in cloud backup functionality, users must manually backup and transfer their OTP secrets when switching devices, which can be cumbersome.
• Limited Customer Support
  As an open-source project, OTP Auth may not offer the same level of customer support and troubleshooting assistance as some proprietary solutions.
• Dependence on Time Sync
  TOTP-based systems require accurate time synchronization between the server and the client device; any significant discrepancy can result in invalid passwords.

• Comprehensive Payment Solutions
  FirsTech offers a wide range of payment processing services including ACH, credit card processing, and online payments, making it a versatile option for businesses.
• Customer Support
  They provide robust customer support options, ensuring that clients can get help when they need it.
• Security
  FirsTech implements strong security measures to protect sensitive financial data, which is crucial for businesses handling payment transactions.
• Integration
  The platform offers numerous integration options with other business software, which can streamline operations and improve efficiency.

Possible disadvantages

• Pricing Transparency
  There may be a lack of transparent pricing on their website, which can make it difficult for potential customers to evaluate cost-effectiveness.
• Complexity for Small Businesses
  The range of services might be overwhelming for small businesses that don’t require such comprehensive solutions.
• Learning Curve
  The platform could have a learning curve for new users, especially those not familiar with payment processing systems.
• Customization Needs
  Although it offers many features, some businesses may find they require custom solutions that FirsTech does not readily offer.

Why most providers have nasty 2FA implementations and how to setup OTP Auth on iOS

FirsTech: History & Heritage

• Ask HN: What 2FA iOS app do you use?

  I used OTP Auth.app (https://cooperrs.de/otpauth.html) for many a while years on iOS and then on macOS too. Now I've mostly transitioned to using the built in OTP handling in Keychain. Every so often I find one I haven't migrated across... - Source: Hacker News / almost 3 years ago

• Google Authenticator now supports Google Account synchronization

  If you are on the Apple ecosystem, I highly recommend OTP Auth [0]. Very friendly UI with encrypted cloud backup where you control the key. [0] https://cooperrs.de/otpauth.html. - Source: Hacker News / over 3 years ago

• Authenticator App on IOS

  Forget all the cloud-based Authenticators and use OTP Auth. https://cooperrs.de/otpauth.html. Source: over 3 years ago

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Tracking FirsTech since Mar 2021.