Software Alternatives, Accelerators & Startups

Authy VS ReplyStack

Compare Authy VS ReplyStack and see what are their differences

Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Authy logo Authy

Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.

ReplyStack logo ReplyStack

AI-powered Chrome extension + dashboard to respond to customer reviews on Google, TripAdvisor, Booking, Yelp & more. No API needed. Multilingual. Affordable alternative to enterprise review management tools
  • Authy Landing page
    Landing page //
    2021-10-05
  • ReplyStack ReplyStack - respond in seconds to all your reviews
    ReplyStack - respond in seconds to all your reviews //
    2026-02-07
  • ReplyStack ReplyStack - One extension, all platforms
    ReplyStack - One extension, all platforms //
    2026-02-07
  • ReplyStack ReplyStack - Review in one click
    ReplyStack - Review in one click //
    2026-02-07
  • ReplyStack ReplyStack - Your brand every time
    ReplyStack - Your brand every time //
    2026-02-07

ReplyStack

$ Details
freemium $9 / Monthly (50 replies per month)
Release Date
2025 October
Startup details
Country
France
Employees
10 - 19

Authy features and specs

  • Multi-device synchronization
    Authy allows users to sync their 2FA tokens across multiple devices, which provides a convenient way to access tokens from phones, tablets, and desktops.
  • Encrypted backups
    Authy provides encrypted backups of the 2FA tokens to the cloud, ensuring that users can recover their tokens in case of device loss or damage.
  • Offline usage capability
    Authy can generate 2FA codes even when the userโ€™s device is offline, providing access to tokens without requiring an active internet connection.
  • Desktop app available
    Authy offers a desktop application that allows users to manage and use their 2FA tokens directly from their computer, enhancing accessibility and usability.
  • Security features
    Authy includes advanced security features such as PIN protection and biometric login options, adding an additional layer of security to the 2FA tokens.

Possible disadvantages of Authy

  • Dependency on cloud service
    Authyโ€™s cloud-based backup and multi-device synchronization features create a dependency on their cloud service, which may raise privacy and security concerns for some users.
  • Limited customization options
    Compared to some other authentication apps, Authy offers fewer options for custom-tailoring the appearance and organization of the 2FA tokens.
  • Potential for lockout
    If users forget their Authy backup password or lose access to all trusted devices, they may have difficulty recovering their 2FA tokens, leading to a potential lockout of their accounts.
  • Initial setup complexity
    The initial setup process, which includes account verification and device synchronization, may be more complex and time-consuming compared to other simpler 2FA apps.
  • Limited platform support
    While Authy supports major platforms such as iOS, Android, and Windows, it does not have the same broad platform compatibility as some other 2FA solutions, potentially limiting its usability for some users.

ReplyStack features and specs

  • AI-Powered Responses
    Generate personalized responses in one click. Our AI analyzes context, sentiment, and adapts to your tone.
  • Chrome Extension
    Respond directly on platforms with our extension. Works on Google, TripAdvisor, Booking, and more.
  • Centralized Dashboard
    All your reviews in one place. Filter by platform, rating, status. Never miss a review.
  • Response Profiles
    Customize AI tone, length, signature. Your responses reflect your brand identity.
  • Analytics & Reports
    Track your reputation evolution. Average rating, volume, response rate, sentiment analysis.
  • Alerts & Notifications
    Real-time notifications for new reviews. Email alerts for negative reviews.
  • Multi-Location
    Manage all your locations from one interface. Perfect for chains and franchises.

Analysis of Authy

Overall verdict

  • Authy is generally considered a good and reliable two-factor authentication (2FA) app.

Why this product is good

  • Authy is praised for its ease of use, cross-platform support, and strong security features. It provides cloud backup of authentication tokens, which is convenient for users who switch devices. The app supports a wide range of online services, making it a versatile option for enhancing account security.

Recommended for

    Authy is recommended for individuals who seek a user-friendly and secure way to manage their two-factor authentication across multiple devices and platforms. It is suitable for both beginners and experienced users who prioritize security and convenience in their digital security practices.

Analysis of ReplyStack

Overall verdict

  • I don't have verified information about ReplyStack (reply-stack.app) since it appears to be a niche or newer product that isn't well-documented in my training data. I can't confirm its quality, features, or reliability based on factual knowledge.

Why this product is good

  • No verified user reviews or independent evaluations are available to me for this specific tool
  • I cannot confirm claims about its features, pricing, or performance without speculation
  • Presenting unverified information as fact could be misleading

Recommended for

  • Users should check the official website, app stores, or independent review platforms like G2, Capterra, or Trustpilot for current information
  • Consider looking for user testimonials, social proof, or a free trial to evaluate it firsthand
  • Reach out to the company directly with questions about features and support before committing

Authy videos

How to Use Authy To Keep Your Data Safe

More videos:

  • Review - GOOGLE AUTHENTICATOR vs. AUTHY - (AUTHY WON)
  • Review - Productivity Tuesday Ep#4 -- Authy Two Factor Authentication

ReplyStack videos

No ReplyStack videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to Authy and ReplyStack)
Identity And Access Management
AI
0 0%
100% 100
Two Factor Authentication
Reputation Management
0 0%
100% 100

Questions & Answers

As answered by people managing Authy and ReplyStack.

What's the story behind your product?

ReplyStack's answer:

ReplyStack was born from a simple frustration: existing review management tools either cost hundreds of dollars per month or only work with a handful of platforms. After seeing local businesses struggle to keep up with reviews scattered across Google, TripAdvisor, Booking, and Facebook, I built a solution that works everywhere โ€” by combining a lightweight Chrome extension with a centralized dashboard. No complex integrations, no enterprise pricing, just a practical tool that helps SMEs protect their online reputation.

Which are the primary technologies used for building your product?

ReplyStack's answer:

Backend: Laravel 12 (PHP 8.3+) with Sanctum authentication Frontend Dashboard: React + TypeScript + Vite + Tailwind CSS Browser Extension: Plasmo framework (Chrome & Firefox) AI: Claude API by Anthropic for response generation Database: MySQL 8 with Redis caching Infrastructure: Railway (hosting), Cloudflare (DNS/email)

Who are some of the biggest customers of your product?

ReplyStack's answer:

ReplyStack is currently in early launch phase. We're onboarding our first customers from the restaurant and beauty salon industries in France.

What makes your product unique?

ReplyStack's answer:

ReplyStack is the only review management tool that combines a Chrome extension with a SaaS dashboard. This hybrid approach lets businesses respond to reviews on platforms that don't offer APIs โ€” like TripAdvisor, Booking.com, and Yelp โ€” something competitors simply cannot do. Instead of expensive API integrations or risky scraping, our extension works directly in the browser where business owners already manage their reviews. It's legal, reliable, and works everywhere.

Why should a person choose your product over its competitors?

ReplyStack's answer:

  • Affordability: Enterprise solutions like Birdeye ($299/mo) and Podium ($399/mo) are out of reach for most SMEs. ReplyStack starts free and scales to just โ‚ฌ79/month.
  • Universal platform coverage: Most competitors only support platforms with APIs. ReplyStack's extension approach means we work on TripAdvisor, Booking, Yelp, and any platform where you can manually respond.
  • Self-service simplicity: No sales calls, no demos required. Sign up, install the extension, and start responding in minutes.
  • Personalized AI responses: Our Response Profiles ensure every AI-generated reply matches your brand's tone and highlights your business strengths โ€” not generic templates.

How would you describe the primary audience of your product?

ReplyStack's answer:

Small and medium businesses that depend on online reviews but lack the time or budget for enterprise reputation management tools. This includes restaurant owners, hotel managers, e-commerce sellers, beauty salon operators, healthcare providers, and auto repair shops. Our typical user manages 1-5 locations, receives reviews on multiple platforms, and wants to respond professionally without spending hours each week on it.

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Authy and ReplyStack

Authy Reviews

7 Best Google Authenticator Alternatives For Android And iOS
And another big difference that it provides over the Google Authenticator is the Authy passcode. Using this code, no one will be able to browse through all your codes.
The Best Authenticator Apps for 2023
One of Twilio Authyโ€™s big advantages is encrypted cloud backup. However, itโ€™s somewhat concerning that you can add the account to a new phone using โ€œa PIN code sent via a call or an SMS,โ€ according to Authyโ€™s support pages. Thereโ€™s also an option to enter a private password or passphrase that Authy uses to encrypt login info for your accounts to the cloud. The password is...
Source: www.pcmag.com
Top 6 Google Authenticator Alternatives in 2023
Although most alternatives to Google Authenticator are completely free but potentially relatively limited in terms of options, Duo can offer you a lot if youโ€™re willing to pay for it. The free option, which Cisco advises is aimed towards individuals and very small teams, is most comparable to what Google offers and will be enough for many, though it faces stiff competition...
Is Authy better than Google Authenticator?
.large-mobile-banner-1-multi-842{border:none!important;display:block!important;float:none;line-height:0;margin-bottom:3px!important;margin-left:0!important;margin-right:0!important;margin-top:3px!important;min-height:250px;min-width:300px;padding:0;text-align:center!important}But to avoid this problem entirely, make sure to add Authy to any devices you want and then Disable...
The Best 2FA Apps 2021: Locking Down Your Online Accounts
As far as website support goes, Authy 2FA tokens work with any service that accepts TOTP-based authenticator apps. Authy even maintains a database of services it supports, complete with step-by-step instructions for how to enable 2FA on those services. In addition to password managers like Keeper, cloud storage like Box and encrypted email services like ProtonMail, Authy...

ReplyStack Reviews

We have no reviews of ReplyStack yet.
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Social recommendations and mentions

Based on our record, Authy seems to be more popular. It has been mentiond 140 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Authy mentions (140)

View more

ReplyStack mentions (0)

We have not tracked any mentions of ReplyStack yet. Tracking of ReplyStack recommendations started around Feb 2026.

What are some alternatives?

When comparing Authy and ReplyStack, you can also consider the following products

Google Authenticator - Google Authenticator is a multifactor app for mobile devices.

Birdeye - AI Agents for Multi-Location Brands

Duo Security - Duo Security provides cloud-based two-factor authentication. Duoโ€™s technology can be deployed to protect users, data, and applications from breaches, credential theft, and account takeover.

Podium - Podium helps your business get more customer reviews, manage customer feedback, customer interaction, and online review management from one software.

Azure Multi-Factor Authentication - Azure Multi-Factor Authentication helps safeguard access to data and applications while meeting user demand for a simple sign-in process.

NiceJob - Get more reviews and build an build an awesome reputation with NiceJob.