Comparison

Supplement Tool vs. Xactimate

Xactimate is the adjuster's tool — built to write estimates that minimize what they pay you. Supplement Tool is the contractor's tool — built to write letters that dispute those estimates and recover what you're owed.

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Feature comparison

Feature
Xactimate
Supplement Tool
Primary user
Insurance adjusters
Contractors (auto body, roofing, restoration)
Purpose
Build the initial insurance estimate
Write supplement letters to dispute low estimates
Generates supplement letters
No — adjusters use it to write estimates against you
Yes — complete letters in under 60 seconds
Adjuster-ready letter output
No — it IS the adjuster's tool
Yes — formatted for insurance desk adjusters
Denial rebuttal letters
No
Yes — full rebuttal generator included
OEM / manufacturer citations
No — uses Xactimate pricing database
Yes — auto-cited based on damage type
Works from your existing estimate
Requires Xactimate license and training
Yes — enter your numbers, get a letter
Training required
Yes — 40+ hour certification course
No — use it in minutes
Monthly cost
$150-$250/month (contractor license)
From $97/month
Time to produce output
Hours of estimate entry
Under 60 seconds
Mobile-friendly
Desktop software, limited mobile
Mobile-first, no download needed
Covers auto body, roofing, restoration
Roofing and restoration only
All 3 verticals

At a glance

FeatureXactimateSupplement Tool
Writes the supplement letter for you
Designed for contractors, not adjusters
No training or certification required
Works in under 60 seconds
Covers auto body, roofing, and restoration
Industry-standard estimating platform
Accepted by all major insurers
Generates denial rebuttal letters

Adjusters have Xactimate. Now contractors have Supplement Tool.

3 free letters. No card required.

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