
calculator.net
AllToolsLab
Omni Calculator
BestToolsKit
Muxtly
geteasetools.com
Free Top Tools
500+ free online calculators and tools for finance, health, math, conversions, and more.

Google Authenticator
Duo Security
Azure Multi-Factor Authentication
OpenSSL
Let's Encrypt
Lastpass
Ensighten
Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.

Which is more popular?
Based on our record, Authy seems to be more popular. It has been mentioned 140 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | alltools.dev | authy.com |
| Pricing | — | |
| Company | Startup from Bulgaria · 1 - 9 employees · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


AllTools.dev is a modern, fast, free online toolkit built for people who need quick, accurate calculators and converters without signing up, creating an account, or wading through cluttered interfaces. The platform offers 500+ tools across finance (mortgage calculators, loan amortization,...
No description of Authy yet.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
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.
Walkthroughs and reviews on video.
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How to Use Authy To Keep Your Data Safe
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using AllTools.dev and Authy. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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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.
One of Twilio Authy’s big advantages is encrypted cloud backup. However, it’s somewhat concerning that you can add the account to a new phone using “a PIN code sent via a call or an SMS,” according to Authy’s support...
Although most alternatives to Google Authenticator are completely free but potentially relatively limited in terms of options, Duo can offer you a lot if you’re willing to pay for it. The free option, which Cisco...
Recommendations tracked on public social media and blogs since March 2021.


Tracking AllTools.dev since May 2026.
Download an authenticator app (Google Authenticator, Authy, or Microsoft Authenticator). - Source: dev.to / 9 months ago
Authy - Two-factor authentication (2FA) on multiple devices, with backups. Drop-in replacement for Google Authenticator. Free for up to 100 successful authentications. - Source: dev.to / over 2 years ago
Https://authy.com/ Acquired by Twilio. I'm not even sure if they still update it, last blog post was 3 years ago. - Source: Hacker News / almost 3 years ago
When comparing AllTools.dev and Authy, you can also consider the following products.

Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with related in-depth information.
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Google Authenticator is a multifactor app for mobile devices.
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AllToolsLab offers 50+ free online tools including PDF tools, calculators, converters and text utilities.
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Duo Security provides cloud-based two-factor authentication. Duo’s technology can be deployed to protect users, data, and applications from breaches, credential theft, and account takeover.
Compare Duo Security to AllTools.dev or Authy:

Helping you make rational decisions, one calculation at a time.
Compare Omni Calculator to AllTools.dev or Authy:

Azure Multi-Factor Authentication helps safeguard access to data and applications while meeting user demand for a simple sign-in process.
Compare Azure Multi-Factor Authentication to AllTools.dev or Authy: