
Microsoft Outlook
ProtonMail
Spark Mail
Front
Gmail
Proofpoint Email Security and Protection
Thunderbird
Spike's AI-first email helps you stay organized, respond faster, and boost productivity effortlessly. By turning email into chat, you can work and collaborate efficiently - with anyone. Welcome to the future of email.

Genesys Cloud
NICE inContact
Aircall
Genesys PureConnect
Dixa
Nextiva
8x8 Cloud Contact Center
Five9 provides cloud-based call center software for sales, marketing and support.

Which is more popular?
Based on our record, Spike should be more popular than Five9. It has been mentioned 3 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | spikenow.com | five9.com |
| Pricing | ||
| Platforms | — | |
| Company | 2014 | Startup from the United States |
| Listed in |
In their own words, as submitted to SaaSHub.


Spike is an AI-powered communication workspace that turns your inbox into a productivity hub. By reinventing email into a chat-like experience and integrating intelligent collaboration tools, Spike helps you gain clarity, stay in control, and work smarter while reducing operational costs. We...
No description of Five9 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
Spike is recommended for professionals and teams who rely heavily on email communication but want a more modern, efficient, and integrated solution. It is especially beneficial for startups, remote teams, and small to medium-sized businesses that are seeking to enhance collaboration and productivity without juggling multiple tools.
Overall verdict
Why this product is good
Recommended for
Five9 is recommended for medium to large enterprises that require a reliable and flexible contact center platform with sophisticated call routing, extensive CRM integrations, and strong support features to manage high volumes of customer interactions effectively.
Walkthroughs and reviews on video.
Spike App - Make Your Email More Conversational
More videos
Five9 CEO: Call Centers in the Cloud | Mad Money | CNBC
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Spike and Five9. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Spike is a well-known collaboration platform that helps businesses streamline communication across email, chat, voice, video, etc. It allows team members to create meaningful messages with AI, organize conversations...
Spike is one of the most innovative email solutions today. It's reimagining how email communication should look and making it easier to combine email, chat, share inbox, collaboration, and even analytics in one place.
Spike is available for Windows, Mac, iOS, and Android. There are a variety of pricing plans, including a free one. The free plan lets you connect unlimited personal accounts and use some features that are considered...
Five9 supports omnichannel customer engagement across voice, SMS, chat, email, social messaging and AI-powered customer interaction channels. Advanced omnichannel orchestration is a core part of the Five9 customer...
Five9 combines everything your business needs to launch a complete customer service and sales call center. Focused on enterprise businesses, Five9 includes workforce management tools, predictive dialing, and CTI...
Five9 is an all-in-one cloud contact center solution for inbound, outbound, blended, and omnichannel contact centers worldwide.
Recommendations tracked on public social media and blogs since March 2021.


Try Spike Mail Truly life changing for email management! Source: over 3 years ago
You should consider using another mail client. I will recommend "Spike" which is found at spikenow.com. Source: over 4 years ago
If you have an IMAP email account then use Spike since there's a great Android app and it also sync on all your other devices. Source: about 5 years ago
Hi, suddenly while at work today, I lost connection to the website (Five9 - Cloud Call Center Software). I could not reconnect and have yet been able to. I noticed that this was the only site I could not access (not directly Five9.com,... Source: over 4 years ago
When comparing Spike and Five9, you can also consider the following products.

Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
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As the foundation of great customer experience, the Genesys PureCloud contact center platform empowers your business to provide excellent service across the entire customer journey.
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Secure email with absolutely no compromises. Get your free encrypted email account today.
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Get the DMG Consulting report reprint on cloud contact centers.
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Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues
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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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