Bullhorn ATS & CRM vs Sirenum Comparison
Bullhorn ATS & CRM
Starting at Contact for pricing
- Individuals
- Freelancers / Consultants
Bullhorn staffing software (ATS) and client relationship management (CRM) are designed for businesses to effectively manage the entire recruiting process. ATS is highly customizable, letting user choose the features that…
Sirenum
Starting at Contact for pricing
- Large Enterprises
- Medium Business
Sirenum is the leading staff management software solution for hourly and temp workers. With its tools, you can build compliance rules and manage certifications, credentials, and permits for improved safety and performanc…
Sirenum leads on user satisfaction with a 4.2-star rating across 6 reviews.
Bullhorn ATS & CRM vs Sirenum — at a glance
| Feature | Bullhorn ATS & CRM | Sirenum |
|---|---|---|
| Rating | 3.9 / 5 | 4.2 / 5 |
| Reviews | 1,173 | 6 |
| Starting price | Contact for pricing | Contact for pricing |
| Free trial | No | No |
| Free version | No | No |
| Best for | Individuals, Freelancers / Consultants, Large Enterprises | Large Enterprises, Medium Business, Small Business |
| Category | Staffing Software | Workforce Management Software |
| Integrations | — | 5+ apps |
| Platforms | SaaS/Web/Cloud, Mobile - Android, Mobile - iOS | SaaS/Web/Cloud, Mobile - Android, Mobile - iOS |
| API | Available | — |
| Support modes | 24/7 (Live rep), Business Hours, Online | Online |
| Certifications | SOC 2, GDPR | GDPR |
| Data residency | US | US |
Key differences between Bullhorn ATS & CRM and Sirenum
- Target audience: Bullhorn ATS & CRM is built for Individuals and Freelancers / Consultants, while Sirenum targets Large Enterprises and Medium Business.
- User satisfaction: Sirenum scores higher with a 4.2-star average.
- Deployment: Bullhorn ATS & CRM supports SaaS/Web/Cloud, Mobile - Android, Mobile - iOS; Sirenum supports SaaS/Web/Cloud, Mobile - Android, Mobile - iOS.
Bullhorn ATS & CRM vs Sirenum — find the better fit before you commit.
Which tool fits your team best
Which is actually cheaper for your team size
Where each product wins, per real buyers
Most Staffing Software tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.
Biggest differences
Features
Pricing
Buying details
Security
Buyer feedback
Integrations
Product tour
Other options
Talk to an expert Talk to an expert |
Free PDF comparison
Download this Bullhorn ATS & CRM vs Sirenum comparison
Get the full side-by-side as a PDF — these picks plus the top Staffing Software tools, with verified ratings, pricing and features.
- Side-by-side on pricing, features & ratings
- Plus the category top 10, scored & ranked
- Emailed to you — no on-screen download
No file downloads on screen — we email it to you. One-click unsubscribe anytime.
Biggest differences
Start here before you go deeper into features.
Best for customizable ATS and CRM in small to medium staffing firms.
- You need a highly customizable ATS to tailor recruitment workflows.
- Your team values an easy-to-use interface with minimal training required.
- You require seamless integration with SAP and other external tools.
- Your organization demands highly stable software with minimal glitches.
- You need extensive user support and onboarding resources.
Best for managing large, regulated hourly and temp workforce compliance and scheduling.
- You need scalable workforce management for 1,000+ employees across multiple sites.
- Your industry requires strict compliance tracking for certifications, permits, and labor laws.
- You want integrated time and attendance data linked directly to payroll processing.
- You have a small team with simple scheduling needs and want minimal setup complexity.
- You require a highly intuitive, user-friendly interface for non-technical staff.
Bullhorn ATS & CRM: Best for customizable ATS and CRM in small to medium staffing firms. Sirenum: Best for managing large, regulated hourly and temp workforce compliance and scheduling.
Description | Bullhorn staffing software (ATS) and client relationship management (CRM) are designed for businesses to effectively manage the entire recruiting process. ATS is highly customizable, ... Read More about Bullhorn ATS & CRM | Sirenum is the leading staff management software solution for hourly and temp workers. With its tools, you can build compliance rules and manage certifications, credentials, and permits for ... Read More about Sirenum |
|---|---|---|
Free Trial Availability |
|
|
User RatingsBased on verified Spotsaas reviews | ||
Best Company Size | Small BusinessMedium Business | 1,001–5,000 employeesLarge Enterprises |
Get pricing help | Get pricing help |
Where each option fits best
See where each product is strongest, which teams it fits, and what causes buyers to keep looking — before you commit.
Based on buyer reviews and verified product data collected by Spotsaas.
Key strengths
No key benefits available yet.
- Integrated Payroll & Labor Data: Sirenum links time and attendance with payroll and HR systems to automate wage calculation, overtime, and labor cost allocation. This reduces manual reconciliation, helps prevent payroll errors, and supports financial accuracy and reporting for large teams in complex labor structures.
- Compliance & Certification Management: Sirenum tracks employee certifications, licenses, and compliance requirements, alerting managers to expirations or missing credentials. This ensures organizations stay compliant with industry standards, protect safety, avoid penalties, and maintain workforce readiness for regulated work environments.
- Time & Attendance Tracking: The platform captures employee clock-in/out, hours worked, and attendance data across devices. This streamlines time capture, improves accuracy, reduces time theft, and feeds reliable data into payroll and compliance systems, helping organizations control labor costs and reduce errors.
Best fit
No best-fit guidance available yet.
- 1,001–5,000 employees
- Workforce Management, Security Services, Healthcare Staffing, Facilities Management, Logistics & Transportation, Retail Operations, Hospitality
- Workforce Manager, Operations Director, HR Manager, Scheduling Administrator, Field Service Manager, Payroll Specialist, Compliance Officer, Labor Analyst
Reasons buyers look elsewhere
No alternatives guidance available yet.
- Some users seek workforce systems that include robust employee self-service portals for time requests, preferences, and accessibility, reducing administrative workload and improving autonomy for staff.
- Some users prefer software with deeper analytics and visual dashboards that include predictive forecasting and customizable reporting without needing additional business intelligence tools.
- Some users look for solutions with more advanced mobile engagement features, such as in-app messaging, notifications, and self-service options for shift swaps and requests directly from field staff.
Software Demo
Demo |
|---|
Need a second opinion?
Get shortlist help from a software advisor
Share your priorities, budget, and team needs, and we’ll help you narrow the options and understand the tradeoffs before you talk to vendors.
- Independent advice — matched to your business
- Understand the tradeoffs before you talk to vendors
- Free 15-min call with a software advisor.
Step 1 of 4
How big is your team?
We tailor recommendations to companies your size.
How do Bullhorn ATS & CRM and Sirenum Compare on Features?
Total Features | 0 Features | 15 Features |
|---|---|---|
Unique Features | No features | No unique features |
Get Quote | Get Quote |
Compare Bullhorn ATS & CRM and Sirenum on pricing
Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.
Pricing Option | ||
|---|---|---|
Pricing Plans |
|
|
Other Details
Organization Types supported |
|
|
|---|---|---|
Platforms Supported |
|
|
Modes of support |
|
|
API Support |
|
|
Get help choosing | Get help choosing |
Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
SOC 2 | ✓ Yes | — |
|---|---|---|
HIPAA | ✗ No | ✗ No |
GDPR | ✓ Yes | ✓ Yes |
Single Sign-On (SSO) | ✓ Yes | ✓ Yes |
Multi-Factor Auth (MFA) | ✓ Yes | — |
Data Encryption | ✓ Yes | ✓ Yes |
Audit Logs | ✓ Yes | — |
Data Residency | 🇺🇸 US | 🇺🇸 US |
Bullhorn ATS & CRM User Reviews & Rating Comparison
User Ratings | ||
|---|---|---|
Rating Distribution | ||
Spotsaas Editor’s POV generated by AI | Buyer sentiment Users generally appreciate Bullhorn ATS & CRM for its ease of use and customization, though some report stability issues and limited support. What buyers like
Common complaints
| Buyer sentiment Buyers appreciate Sirenum's scalability and compliance features but note a steep learning curve and complexity in setup. What buyers like
Common complaints
|
Pros and Cons |
|
|
Positive Reviews | No reviews available for the product | No reviews available for the product |
| Negative Reviews | No reviews available for the product | No reviews available for the product |
Integrations
Integration with other apps | No Integration information available. |
|---|
List of Customers
Customers | No Customers information available. |  Randstad  Manpower Group  Interiman Group |
|---|
Media and Screenshots
Screenshots |  7 Screenshots |  1 Screenshots |
|---|---|---|
Videos |  2 Videos |  3 Videos |
Top Alternatives to Bullhorn ATS & CRM and Sirenum in 2026
Alternatives |
|---|
Add another option to compare side by side
Search by product name to compare pricing, fit, and buyer feedback in one view.Compare similar software options
Related Blogs and Articles for Workforce Management Software
Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].
Frequently asked questions
- Which is better, Bullhorn ATS & CRM or Sirenum?
- Sirenum edges out the other on user ratings (4.2 vs 3.9). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do Bullhorn ATS & CRM and Sirenum offer a free trial?
- Neither Bullhorn ATS & CRM nor Sirenum currently lists a free trial.
- What is the starting price of Bullhorn ATS & CRM vs Sirenum?
- Bullhorn ATS & CRM starts at Contact for pricing. Sirenum starts at Contact for pricing.
- What are the top alternatives to Bullhorn ATS & CRM?
- Top alternatives to Bullhorn ATS & CRM include monday.com, CleverStaff, ApplicantStack, Recruit CRM, Recruiterflow.
- What are the top alternatives to Sirenum?
- Top alternatives to Sirenum include SignFlow, Staffcloud, CoreStaff, StaffAny, Shyftplan.