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Nextiva
CloudTalk
JustCall
Grasshopper
CallHippo
RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies

Twilio
Plivo
Vonage
Infobip
MessageBird
Telnyx
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Stronger Authentication for a Safer World

Which is more popular?
Based on our record, RingCentral seems to be more popular. It has been mentioned 3 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | ringcentral.com | secondfactor.ai |
| Pricing | ||
| Company | Startup from the United States | Startup from Singapore · 10 - 19 employees · 2020 |
| Listed in |
In their own words, as submitted to SaaSHub.


We work with our customers to reimagine the world of business communications and collaboration. This relentless passion to innovate has made us the #1 cloud communications provider worldwide, and we don’t plan on stopping there. Technology breaks down barriers and unlocks potential, making it...
SecondFactor is an OTP API for vibe-coders and product teams that delivers and verifies OTPs over SMS, WhatsApp, RCS, and Viber through a single integration. It's built for two-factor authentication (2FA), and OTP verification. It fits fintech, tech-enabled marketplaces, and international...
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
RingCentral is particularly recommended for small to large businesses seeking an integrated communication and collaboration platform. It is ideal for companies with remote teams who require a reliable, unified system that supports mobile and desktop use. Additionally, businesses looking for advanced features like video conferencing, call center management, and CRM integrations will find RingCentral highly beneficial.
No analysis of SecondFactor yet.
Walkthroughs and reviews on video.
RingCentral Review: Getting Started Demo & Tutorial
More videos
No SecondFactor videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing RingCentral and SecondFactor.
SecondFactor's answer:
SecondFactor's answer:
The Intelligence Engine identifies the destination country and operator, checks which channels are available, and uses automatic routing to send the OTP over the lowest-cost eligible channel. If the delivery isn't confirmed within 8 seconds, automatic fallback moves to the next eligible channel.
SecondFactor's answer:
Your backend doesn't generate, store, or check the code itself. Instead, SecondFactor generates the code, picks the optimal channel, delivers the OTP and verifies it. If you are moving from another OTP provider, you keep a simple send-and-verify integration instead of rebuilding your verification workflow.
SecondFactor's answer:
SecondFactor is an OTP API for vibe-coders and product teams. It fits fintech, tech-enabled marketplaces, and international platforms that send OTPs to users in more than one country.
Share your experience with using RingCentral and SecondFactor. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


RingCentral. A big phone-system company with an AI receptionist at £32 for 100 minutes, then 40p a minute. Cheap to start, expensive once busy. Best for: very quiet lines, or businesses already on RingCentral's phone...
On published UK prices the lowest entry points are RingCentral's AI receptionist at £32 a month for 100 minutes and IONOS at £39 ex VAT for 30 calls, but neither books appointments on that tier (RingCentral lists...
Per minuteSmall included allowance, then a rate per minuteRingCentral (100 min, then 40p), Zoom (100 min), Ivy by Verbalise (£197 + 55p/min)Cost rises with every call. No ceiling. Per callCharged per answered call...
We have no reviews of SecondFactor yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Systems like 8x8/RingCentral/Vonage or even Voip.ms might be ideal for you. Source: almost 5 years ago
I saw www.calltrackingmetrics.com ; ringcentral.com ; twilio.com ; Zadarma. At this moment it seems that calltrackingmetrics seems to be the first solution I would try because they put in front of their ads the fact to track with google... Source: over 5 years ago
I use unitelvoice.com. It works fine has an app and can forward to my cell number. Used to use ringcentral.com it was fine when it worked but support was crap. Source: over 5 years ago
Tracking SecondFactor since Oct 2026.
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Aircall is a call center software of a new generation designed for fast growing companies. Setup instantly and integrates to your CRMs
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Business VoIP, cloud phone systems trusted by more than 150,000 companies. Powered by the leading cloud PBX VoIP platform, Nextiva is rated the best business VoIP service provider.
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Vonage is a cloud-based all-in-one VoIP software solution designed for multiple industries such as accounting, healthcare, finance and marketing etc.
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