Best Project Estimation Software in 2026
Updated
In short: Buildxact is ranked #1 of 26 as of 4 October 2026, ahead of STACK and Trimble Quadri. The best-ranked option with a free plan is STACK. The lowest first paid tier on this page is TeamRetro at $1.74/mo.
Planning a project means making estimates you can use to weigh cost, effort, and available resources. Compare the agile and cost estimation options, the methods each entry uses, and whether historical data, resource capacity, or scenario planning are included. Free-plan availability and paid-from pricing provide additional points of comparison. Buildxact and STACK are among the entries, alongside Trimble Quadri and Planning Poker Online. If you are choosing software for a particular workflow, consider which estimation approach and planning capabilities are relevant to your work, then weigh those against the listed cost details.
26 project estimation software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
5 of the 25 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | BuildxactWeb · Android · iPhone | Three bars | — | 3 of 6 | $169/mo | 6.4 | |
| 2 | STACKWeb · Windows · Android · iPhone | Two bars | — | 4 of 6 | Free | 6.4 | |
| 3 | Trimble QuadriWeb · Windows · Self-hosted · API | Two bars | — | 2 of 6 | Free | 6.4 | |
| 4 | Planning Poker OnlineWeb | Two bars | — | 1 of 6 | $30/mo | 6.3 | |
| 5 | PlanningPoker.liveWeb · Extension | Two bars | — | 1 of 6 | Free | 6.3 | |
| 6 | Trimble Viewpoint VistaWeb · Windows · Android · iPhone · Self-hosted · API | Two bars | — | — | 4 of 6 | — | 5.7 |
| 7 | ConEst IntelliBidWeb · Windows · Mac · Android · iPhone | Two bars | — | — | 5 of 6 | — | 5.6 |
| 8 | HCSSWeb · Windows · Android · iPhone · API | Two bars | — | — | 4 of 6 | — | 5.5 |
| 9 | Bid4BuildWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 10 | CausewayOne EstimatingWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 11 | DESTINI EstimatorWeb · Windows · Mac | Two bars | — | — | 3 of 6 | — | 5.1 |
| 12 | Estimate RocketWeb · Android · iPhone | Two bars | — | — | 3 of 6 | $139/mo | 5.1 |
| 13 | JestimateWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 14 | McCormick SystemsWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 15 | Planning PokerWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 16 | ProcoreWeb · Android · iPhone · API | Two bars | — | — | 3 of 6 | — | 5.1 |
| 17 | Sage EstimatingWindows | No signal | — | — | 1 of 6 | — | 5.1 |
| 18 | SEER for Software (SEER-SEM)No platforms listed | No signal | — | — | 0 of 6 | — | 5.1 |
| 19 | UltimatePlanningPokerWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 20 | Clear EstimatesWeb · Windows · Mac · Android · iPhone | One bar | — | — | 5 of 6 | — | 4.9 |
| 21 | datapine (now RIB BI+)Windows | One bar | — | — | 1 of 6 | — | 4.9 |
| 22 | FloatWeb · Android · iPhone | One bar | — | — | 3 of 6 | $7/mo | 4.9 |
| 23 | AASHTOWare Project EstimatorWindows | No signal | — | — | 1 of 6 | — | 4.7 |
| 24 | ProPricerNo platforms listed | No signal | — | — | 0 of 6 | — | 4.7 |
| 25 | TeamRetroWeb · API | No signal | — | — | 1 of 6 | $1.74/mo | 4.7 |
Is your app 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 Freedom251?
Buildxact is ranked #1 of 26 with a score of 6.4. STACK is second and Trimble Quadri third.
How many of these have a free plan?
5 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, TeamRetro has the lowest first paid tier we found: $1.74/mo.
How is this list ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation. Paid placements never change a rank.