CoStar icon

CoStar

★★★★ 4.1
VS

Rent Manager

★★★★ 4.1
Feature CoStar Rent Manager
Pricing Contact sales From $1/mo
Free Plan ✗ No ✗ No
Rating 4.1 / 5 4.1 / 5
Best For commercial-brokers, property-investors, asset-managers, appraisers property-managers, landlords, real-estate-investors, multi-unit-owners
Founded 1987 1982
Property Data
Market Analytics
Tenant Information
Comparable Sales
Mapping
Forecasting
Alerts
Accounting
Maintenance Tracking
Tenant Portal
Screening
Marketing
Reporting

✓ CoStar Pros

  • Most comprehensive commercial real estate database
  • Detailed property and tenant information
  • Advanced analytics and market forecasting
  • Verified data with dedicated research teams

✗ CoStar Cons

  • Very expensive subscription costs
  • Primarily focused on commercial real estate
  • Steep learning curve for new users

✓ Rent Manager Pros

  • Full double-entry accounting
  • Customizable reports and dashboards
  • Built-in tenant portal
  • Scales from 10 to 10,000+ units

✗ Rent Manager Cons

  • Dated interface compared to newer tools
  • Steep learning curve
  • Per-unit pricing adds up quickly

The Verdict

CoStar is built for commercial brokers and property investors, with a focus on property-data and market-analytics. Rent Manager targets property managers and landlords and leads with accounting and maintenance-tracking.

CoStar uses custom enterprise pricing, while Rent Manager starts at $1/mo — a tangible advantage for teams with a fixed budget.

Neither tool offers a free plan, so factor the subscription cost into your decision from the start.

Feature-wise, CoStar offers broader built-in capabilities (7 features vs 6), while Rent Manager takes a more focused approach — which can mean a simpler, faster onboarding experience.

This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.

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