Best Project Estimation Software in 2026
Updated
In short: HCSS is ranked #1 of 18 as of 2 October 2026, ahead of DESTINI Estimator and CausewayOne Estimating. The best-ranked option with a free plan is Buildxact. The lowest first paid tier on this page is Estimate Rocket at $139/mo.
18 project estimation software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | Platform | Score | Why | From | Free plan | Paid from | Estimation method | |
|---|---|---|---|---|---|---|---|---|
| 1 |  HCSS | 8.2 | RecognisedAPIDocumented | — | — | — | — | View |
| 2 |  DESTINI Estimator | 7.0 | RecognisedAPIDocumented | — | No | — | parametric | View |
| 3 | CausewayOne Estimating | 6.5 | RecognisedAPIDocumented | — | — | — | — | View |
| 4 |  Buildxact | 6.4 | RecognisedAPIDocumented | $169/mo | Yes | — | — | View |
| 5 |  PlanningPoker.live | 6.3 | RecognisedAPIDocumented | Free | Yes | — | agile | View |
| 6 | ConEst IntelliBid | 6.1 | RecognisedAPIDocumented | — | — | — | — | View |
| 7 |  Estimate Rocket | 6.1 | RecognisedAPIDocumented | $139/mo | No | — | — | View |
| 8 |  McCormick Systems | 6.0 | RecognisedAPIDocumented | — | — | — | — | View |
| 9 | Bid4Build | 6.0 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 10 |  AASHTOWare Project Estimator | 5.9 | RecognisedAPIDocumented | — | No | — | — | View |
| 11 | Procore | 5.6 | RecognisedAPIDocumented | — | No | — | — | View |
| 12 |  Planning Poker Online | 5.6 | RecognisedAPIDocumented | — | Yes | — | agile | View |
| 13 | Clear Estimates | 5.5 | RecognisedAPIDocumented | — | No | — | — | View |
| 14 | Jestimate | 5.3 | RecognisedAPIDocumented | — | Yes | — | agile | View |
| 15 |  Planning Poker | 5.3 | RecognisedAPIDocumented | — | Yes | — | agile | View |
| 16 |  UltimatePlanningPoker | 5.2 | RecognisedAPIDocumented | — | Yes | — | agile | View |
| 17 | Float | 5.1 | RecognisedAPIDocumented | — | No | — | — | View |
| 18 | TeamRetro | 5.1 | RecognisedAPIDocumented | — | No | — | agile | View |
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which project estimation software is ranked first on Inferse?
HCSS is ranked #1 of 18 with a score of 8.2. DESTINI Estimator is second and CausewayOne Estimating third.
How many of these have a free plan?
2 of the 18 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Estimate Rocket has the lowest first paid tier we found: $139/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.