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Head-to-head · Property Maintenance Software

Prism by Building Engines vs One by Lessen

  • Updated Oct 2026
  • Both researched from official sources
  • 7 checks side by side
Higher score Prism by Building Engines #2 in Property Maintenance Software 8.8/10 Pricing on request ✓ 7 of 7 features Visit site
One by Lessen #14 in Property Maintenance Software 7.6/10 Pricing on request ✓ 7 of 7 features Visit Lessen

Prism by Building Engines leads on 0 checks, One by Lessen on 0, and 7 are even. Who comes out ahead on the 7 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scorePrism by Building Engines · 8.8/10

Prism by Building Engines scores higher on our rubric for property maintenance software: 8.8 against 7.6 out of 10; our editors rank them #2 and #14.

Prism by Building Engines is the better fit for mature commercial-property operations. One by Lessen is the better fit for property managers needing vendor and spend control.

  • Prism by Building Engines fits best

    Mature commercial-property operations

  • One by Lessen fits best

    Property managers needing vendor and spend control

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Side by side

Feature Prism by Building Engines 8.8/10 Visit ↗ One by Lessen 7.6/10 Visit ↗
At a glance
Editor score 8.8 7.6
Ranking #2 in Property Maintenance Software #14 in Property Maintenance Software
Best for Mature commercial-property operations Property managers needing vendor and spend control
Pricing model Paid Paid
Starting price Pricing on request Pricing on request
Free plan Not checked yet Not checked yet
Free trial — —
Deployment Cloud, Mobile Cloud, Mobile
Platforms Web Web
Support Phone, Tickets, Docs Email, Phone, Docs · 24/7
Built for Mid-market, Enterprise Mid-market, Enterprise
Features Prism by Building Engines 7/7 · One by Lessen 7/7
Recurring maintenance ✓ ✓
Work order management ✓ ✓
Inspection tools ✓ ✓
Vendor management ✓ ✓
Tenant request portal ✓ ✓
Asset history ✓ ✓
Mobile app ✓ ✓
Our review
Pros
  • Covers work orders, preventive maintenance, inspections and vendors
  • Routes failed inspection findings into work orders automatically
  • Supports tenant portals, mobile workflows, offline work and enterprise APIs
  • Covers work orders, vendors, proposals, invoices, and maintenance lifecycles
  • Combines asset history, preventive maintenance, and repair-versus-replace analysis
  • Adds resident requests, mobile workflows, approvals, and spend tracking
Cons
  • Pricing is customized and requires contacting sales
  • Broader portfolio functionality may exceed narrow maintenance needs
  • AI features are included without published feature-level detail
  • Pricing requires contacting sales rather than selecting a published plan
  • Its broad scope may exceed the needs of smaller property operators
  • Open APIs may require technical work to connect customer systems
Our verdict

Prism by Building Engines is a commercial real estate operations platform for property managers, engineers, tenants and vendors. It brings work orders, preventive maintenance, inspections, tenant service requests, vendor workflows,…

Read the review →

One by Lessen is a property services management platform for residential and commercial portfolio operators. It brings work-order creation, assignment, tracking, vendor sourcing, proposals, invoices, asset records, maintenance history,…

Read the review →
  1. Prism by Building EnginesProperty Maintenance Software 8.8Pricing on request
  2. One by LessenProperty Maintenance Software 7.6Pricing on request

Strengths and trade-offs

  • Prism by Building Engines — where it wins

    • Covers work orders, preventive maintenance, inspections and vendors
    • Routes failed inspection findings into work orders automatically
    • Supports tenant portals, mobile workflows, offline work and enterprise APIs

    Where it doesn't

    • Pricing is customized and requires contacting sales
    • Broader portfolio functionality may exceed narrow maintenance needs
    • AI features are included without published feature-level detail

  • One by Lessen — where it wins

    • Covers work orders, vendors, proposals, invoices, and maintenance lifecycles
    • Combines asset history, preventive maintenance, and repair-versus-replace analysis
    • Adds resident requests, mobile workflows, approvals, and spend tracking

    Where it doesn't

    • Pricing requires contacting sales rather than selecting a published plan
    • Its broad scope may exceed the needs of smaller property operators
    • Open APIs may require technical work to connect customer systems
  • Prism by Building Engines8.8/10 · Pricing on request

    A broad maintenance platform for mature commercial-property operations.

    Visit siteFull verdict →
  • One by Lessen7.6/10 · Pricing on request

    A broad maintenance platform for managers controlling vendors, work orders, assets, and spend.

    Visit LessenFull verdict →

More comparisons

All property maintenance software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update