
ZoomInfo
Lusha
Hunter.io
Instantly.ai
lemlist
Clearbit
Snov.io
Apollo’s predictive prospecting, sales engagement, and actionable analytics help the teams to reach its full revenue potential.

Toggl
Harvest
Time Doctor
Hubstaff
TimeCamp
RescueTime
ManicTime
Simple and free time tracker. Perfect for small and mid-sized businesses as well as freelancers. Unlimited projects and users, unlimited productivity. Get all the premium functionalities, completely free.
Which is more popular?
Apollo.io might be a bit more popular than Clockify. We know about 69 links to it since March 2021 and only 57 links to Clockify.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | apollo.io | clockify.me |
| Pricing | ||
| Platforms | — | |
| Company | Startup from the United States | Startup from Serbia · 2017 |
| Listed in |
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
Clockify is highly recommended for freelancers, small to medium-sized businesses, and remote teams who need efficient time management without financial constraints. Project managers, consultants, and anyone involved in billing or client work would find it particularly beneficial.
Walkthroughs and reviews on video.
Free software to find email addresses - apollo.io review
More videos
Quick Features Overview
More videos
How often each product is chosen within a category, 0–100% relative to the other.


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


What is the best AI prospecting tool for B2B sales in 2026? The best tool depends on your team's specific situation. toflow.ai is a strong fit for multi-channel outreach across email, LinkedIn, and WhatsApp, and is...
We use Apollo with our Sales and BDR team to manage our cold outreach. The strength of the platform is the sequences and cadences that you can set up. Compared to other tools we have used in the past like Salesloft...
FAQWhat’s better than Apollo.io?What Apollo.io competitors are better for lead generation? What is Apollo.io used for?
Looking for a different time tracker? These guides compare Teetrack head-to-head with popular tools like Toggl, Clockify, and Harvest — covering pricing, billing features, data export, and how migration works. Each...
For small businesses, the best tool depends on the level of visibility needed. Mera Work is a strong choice if the business needs complete work visibility. Clockify is useful for basic time tracking and timesheets....
As a comprehensive tool, Clockify does many things. It has multi-platform time tracking, timesheet and time off management, scheduling, and expense tracking features.
Recommendations tracked on public social media and blogs since March 2021.


Personal email domains destroy this. Clearbit's Enrichment API returns a null company when it hits gmail.com. Apollo routes personal domains straight to a consumer bucket and skips B2B fields entirely. Even PDL's /person/enrich endpoint... - Source: dev.to / 4 months ago
A few things worth flagging: PDL beats Clearbit's historical rates for US and Western European companies, but drops to ~52% match rate for Japan and South Korea specifically. Apollo underperforms on raw company matching but returns... - Source: dev.to / 4 months ago
One thing comparison guides consistently get wrong: Clay is not an enrichment API. It's a waterfall orchestration tool that calls People Data Labs, Apollo, Clearbit, and others in sequence for you. It's useful, but it adds 2–8 seconds of... - Source: dev.to / 5 months ago
Check out https://clockify.me/ It's my go-to for hourly "clock your hours" work. - Source: Hacker News / over 2 years ago
Clockify - Time tracker and timesheet app that lets you track work hours across projects. Unlimited users, free forever. - Source: dev.to / over 2 years ago
Clockify.me to timetrack my activities. Source: about 3 years ago
When comparing Apollo.io and Clockify, you can also consider the following products.

ZoomInfo is a B2B database providing detailed business information on people and companies.
Compare ZoomInfo to Apollo.io or Clockify:

Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
Compare Toggl to Apollo.io or Clockify:


Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Compare Harvest to Apollo.io or Clockify:

Find all the email addresses related to a domain
Compare Hunter.io to Apollo.io or Clockify:

Time Tracking and Time Management Software that is accurate and helps you to get a lot more done each day.
Compare Time Doctor to Apollo.io or Clockify: