8 Top Applicant Tracking Systems for Recruiters
Who each system fits, in recruiter terms, and the one thing to check in the demo before you commit

The top applicant tracking systems all do the same core job, but the one you pick shapes how quickly you can move candidates through your day. An applicant tracking system (ATS) stores resumes, posts jobs, and tracks each candidate from application to offer. The best applicant tracking systems for you depend on whether you hire at a large company, a startup, a small business, or an agency.
1. Greenhouse: for structured hiring across teams
Greenhouse suits teams that want every interviewer scoring candidates the same way. Greenhouse's site describes "one platform" for hiring. That includes an AI voice interview that asks every early applicant the same questions, before a recruiter steps in. It also lists fraud detection and identity verification under a feature it calls Real Talent, plus pre-built integrations.
Structured hiring means each interviewer rates the same skills on a shared scorecard. That helps when you're filling a nurse manager role, a sales role, and an engineering role in the same week. Every hiring manager follows the same steps, so feedback arrives in the same format before a debrief.
In the demo, ask to see how interviewers' scorecards add up into a report. Then ask how you'd see which hiring managers haven't submitted their scorecard yet, without downloading the data into a spreadsheet.
2. iCIMS: for large enterprise recruiting teams
iCIMS fits high-volume in-house teams hiring across many locations. The iCIMS site calls it "a highly-configurable enterprise ATS" with automated sourcing and nurture campaigns, which are scheduled emails that keep past applicants and prospects engaged. It also lists employer brand tools and a large partner network covering job boards, background checks, and HR systems.
Configurable means your system admins can change the hiring stages, application forms, and approval steps to match how each department hires. That's a strength and a cost. A warehouse team and a finance team can each have their own process, but someone has to build and maintain every version.
Ask the vendor who on your side keeps the setup current after launch. If the answer is "your admin," find out how many hours a month that takes. Test the sourcing and nurture campaigns the way you'd test any automated recruiting software: run them on one open role before you turn them on for every job.
3. Workday: for companies already running its HR suite
Workday Recruiting makes the most sense when HR already runs on Workday. Workday's site describes managing the full talent acquisition lifecycle. Its Talent Acquisition suite covers recruiting, candidate engagement, HiredScore AI, and internal mobility, inside a wider talent management suite.
For recruiters, the main benefit is that a candidate's record carries over when they become an employee. When someone moves to a new internal role or comes back as a rehire, their history is already in the system. The question is whether a large HR suite slows down the recruiting tasks you do every day.
During the demo, ask the vendor to move a test candidate from one stage to the next, such as from phone screen to interview, and count the steps. You'll do this many times a week, so extra clicks add up. If your hiring managers approve offers from their phones, ask to see that step on a phone too.
4. Lever: for teams that want ATS and CRM in one
Lever fits recruiters who nurture passive candidates over months before a role opens. Lever's site calls it "a modern applicant tracking system (ATS) and recruiting CRM" for small, mid-sized, and enterprise organizations. A recruiting CRM is the tool you use to keep in touch with people who haven't applied yet.
Having both in one place matters when a role you've been sourcing for in advance finally opens. Say you've kept in touch with a dozen potential controllers for months. When the job goes live, you want them in the hiring pipeline without re-entering notes or losing past conversations.
In the demo, ask the vendor to move someone from your CRM contact list into an open job. Check whether their outreach history moves with them or stays behind in the CRM.
5. Ashby: for data-focused startups and scale-ups
Ashby fits teams that report on funnel metrics every week. Ashby's site calls it "all-in-one recruiting software" that combines ATS, CRM and sourcing, scheduling, and analytics. It says it serves teams "from Startups to Enterprises" and is built for structured hiring.
Maybe you already track how many candidates move from each stage of your recruiting funnel to the next. Built-in analytics can replace the spreadsheet you keep for it. That matters most when a founder or VP asks why offers are stalling and wants an answer today.
In the demo, build one custom report yourself instead of watching the rep do it. Pick a metric you already use, such as source of hire, from our sourcing metrics guide.
6. Workable: for small and mid-size teams that post widely
Workable fits teams that rely on job board reach to fill roles. Workable's site highlights one-click posting to many job boards and an AI agent that sources, screens, and engages candidates. It also lists HR features like onboarding, time off, and employee records, and offers a free trial with no credit card.
Among the top applicant tracking systems, this mix suits a growing company hiring drivers, support reps, and accountants at once. Posting to many boards brings in more applicants, so reviewing them quickly becomes the main work.
Before you buy, check whether the HR features overlap with an HRIS you already pay for. If both systems track time off or employee records, someone on your team ends up entering the same information twice.
7. JazzHR: for small businesses with lean teams
JazzHR fits a solo recruiter or a small HR team that hires a few roles at a time. JazzHR's site describes easy-to-use software that covers the path from job post to offer letter. It calls JazzHR "The Best ATS for Small Businesses" and says it's built for lean teams.
If you're searching for the best applicant tracking system for small business, simple setup can matter more than depth. You want a restaurant manager or office assistant hired without weeks of training on a new tool.
Ask how far it can scale before you'd need to switch. Find out what happens to your candidate records and history if you outgrow it.
8. Bullhorn: for staffing and recruiting agencies
Bullhorn fits agencies that track clients, jobs, and placements in one place. Bullhorn's site says agencies can run "from prospect to placement on one system" by pairing applicant tracking with CRM. That puts business development and client relationships alongside candidate sourcing. In North America, its site says it also covers middle- and back-office work, the operations that happen beyond recruiting itself.
Agencies need this because every placement connects a candidate, a client contact, and a fee. An applicant tracking system for recruiters on the agency side has to show which clients bring repeat business, not only who applied.
Ask how placements, fees, and client records report together. Compare the answer with the numbers you already track in your agency recruitment analytics.
How to choose an applicant tracking system
Choose an ATS by matching it to how your team hires, then testing it on your real work before you sign. SHRM's ATS buying advice says to compare customization, ease of use, candidate experience, automation, integrations, and reporting. Work through these checks with every vendor on your shortlist.
- Fix your process first: Map your recruitment process and remove steps that slow you down. New software can't fix a flawed workflow, so you'd only automate the problem.
- Match the system to your setup: An enterprise team, a startup, a small business, and a staffing agency need different things. Start with the two or three options above that fit how you hire.
- Build a report yourself: Reporting is a common frustration for recruiters. In the demo, build one report on a metric you already track, and ask whether you'd need the vendor's support team to make new ones.
- Ask what "integration" means: It can mean anything from a data file someone uploads by hand to an API, a live connection that syncs data automatically. Ask which kind links the ATS to your background check provider, HR system, and calendar.
- Count the steps: Move a test candidate from one stage to the next and count the clicks, on a laptop and on a phone. You'll repeat that task many times a week.
- Apply as a candidate: Fill out a test application yourself. Check that the form is short and that candidates get updates as they move through stages.
- Meet your support contact: Ask the vendor to bring the support person assigned to your account to the demo. They're the one you'll call after the sales team moves on.
- Call references at your size: Talk to customers who grew from your current size, so you know the system scales with you.
- Run a real trial: Put one of your open roles through a trial instead of watching a demo account filled with sample data.
Start with a shortlist before you book demos
The right ATS is the one that fits how your team hires and keeps your day moving. Pick the two or three top applicant tracking systems above that match your setup, then run each one through the same checks with a real open role. Bring your hiring managers into at least one demo, since they'll use the system too. Testing carefully now can save you a painful switch later.
Find candidates before they reach your ATS
Book a demoFrequently asked questions
What's the difference between an ATS and a recruiting CRM?
An ATS manages people who've applied to a job, from screening to offer. A recruiting CRM manages relationships with people who haven't applied yet. Some systems, like Lever, Ashby, and Bullhorn, combine both.
What's the best ATS for recruiting agencies?
Look for a system that tracks clients, jobs, candidates, and placements together. An ATS built for in-house teams may stop at the hire. Ask whether the ATS tracks fees and client accounts before you sign.
What's the difference between an ATS and an HRIS?
An ATS handles hiring, from job posting to offer. An HRIS (human resources information system) holds employee records once someone is hired, such as time off and personnel files. Some systems, like Workable and Workday, cover parts of both.
About the author

Founder & CEO of Rotto, building tools that help tech recruiters source better candidates, faster.





