Buildxact vs CostOS:Which is more popular?
In September 2026, CostOS had more branded searches than Buildxact among construction estimating software worldwide. CostOS had about 201,000 branded searches, while Buildxact had 9,900. CostOS made up 37.7% of all construction estimating software searches we track, and Buildxact accounted for 1.9%. When we asked ChatGPT and Google AI Overviews about construction estimating software, Buildxact appeared in four of the five answers and CostOS in none.
Who do people search for more?
CostOS, about 20 searches for every 1 for Buildxact
Who does AI mention more?
Buildxact, mentioned in 4 of 5 answers, CostOS in 0
Who does AI recommend more?
Buildxact, the only one of the two named
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Top construction estimating software in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Buildxact was mentioned in four out of five: in two of the three ChatGPT answers and in both Google AI Overviews. CostOS did not appear in any of the five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Buildxact1st
STACK2nd
Clear Estimates3rd
Procore4th
JobTread5th
Buildertrend6th
PlanSwift7th
Contractor Foreman8th
Bluebeam9th- CostOS–
- +1 more
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
STACK5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Procore5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
PlanSwift4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Buildxact4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Buildertrend3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Clear Estimates3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
JobTread2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Contractor Foreman2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Bluebeam1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers- CostOS0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about construction estimating software
5 answers
Asked ChatGPT
“Which construction estimating software should I use?”
Asked ChatGPT
“What are the best construction estimating software options?”
Asked ChatGPT
“What's the best construction estimating software for job cost estimates?”
Searched Google, AI Overview
“construction estimating software”
Searched Google, AI Overview
“building estimate software”
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is Buildxact or CostOS more popular in search?
This chart shows how often people search Google for Buildxact and CostOS by name. Each line represents a brand's share of searches for all 11 construction estimating software we track, month by month, from English-language searches worldwide.
Share of searches by month for CostOS, Buildxact. The figures are in the table below the chart.
View monthly share of searches table
| Month | CostOS | Bluebeam | Buildertrend | Cubit | JobTread | PlanSwift | Contractor Foreman | Buildxact | STACK | Clear Estimates | Procore |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 47.2% | 21.2% | 11.6% | 9.5% | 3.5% | 2.8% | 1.3% | 1.9% | 0.32% | 0.3% | 0.38% |
| Nov 2025 | 50.7% | 18.5% | 10.2% | 10.2% | 3% | 3% | 1.2% | 2% | 0.29% | 0.27% | 0.49% |
| Dec 2025 | 45.9% | 20.5% | 11.3% | 11.3% | 4.1% | 2.8% | 1.3% | 1.5% | 0.32% | 0.35% | 0.54% |
| Jan 2026 | 40.4% | 22.2% | 12.2% | 12.2% | 4.5% | 3.6% | 1.4% | 2% | 0.36% | 0.31% | 0.89% |
| Feb 2026 | 37.4% | 25.1% | 11.3% | 11.3% | 5% | 4.1% | 1.6% | 2.3% | 0.41% | 0.3% | 1.2% |
| Mar 2026 | 41.5% | 22.8% | 12.5% | 8.3% | 5.6% | 3.7% | 1.8% | 2% | 0.39% | 0.32% | 1.1% |
| Apr 2026 | 16% | 8.8% | 4.8% | 65.1% | 1.8% | 1.4% | 0.69% | 0.79% | 0.14% | 0.12% | 0.35% |
| May 2026 | 43.5% | 23.9% | 10.7% | 8.8% | 4.8% | 3.2% | 1.9% | 2.1% | 0.3% | 0.28% | 0.51% |
| Jun 2026 | 37.2% | 25% | 13.7% | 9.2% | 6.1% | 3.4% | 2% | 2.2% | 0.37% | 0.3% | 0.54% |
| Jul 2026 | 39.2% | 26.3% | 11.8% | 7.9% | 6.4% | 3.5% | 1.8% | 1.9% | 0.34% | 0.31% | 0.56% |
| Aug 2026 | 38.6% | 25.9% | 11.6% | 9.5% | 6.4% | 3.5% | 1.7% | 1.9% | 0.33% | 0.31% | 0.31% |
| Sep 2026 | 37.7% | 25.3% | 11.4% | 11.4% | 6.2% | 3.4% | 2% | 1.9% | 0.32% | 0.24% | 0.24% |
How has the Buildxact and CostOS comparison changed over the last 12 months?
3 findings
- CostOS was ahead of Buildxact in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Buildxact’s share of searches among construction estimating software worldwide held steady at 1.9%, and its estimated monthly branded searches moved from 12.1K to 9.9K.
- Across the 12 months ending September 2026, CostOS’s share of searches among construction estimating software worldwide moved from 47.2% to 37.7%, and its estimated monthly branded searches moved from 301K to 201K.
How did search popularity change for construction estimating software worldwide in September 2026?
2 changes
In September 2026, CostOS lost share of searches among construction estimating software worldwide, from 38.6% to 37.7%.

In September 2026, Buildxact fell from 7th to 8th among construction estimating software worldwide.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Buildxact’s and CostOS’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Other head-to-heads among construction estimating software

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