Best STACK Alternatives in 2026
Updated
20 apps from project estimation software ranked against STACK on the same published basis.
- 1STACK vs Buildxact
- 3STACK vs Trimble Quadri
- 4STACK vs Planning Poker Online
- 5STACK vs PlanningPoker.live
- 6STACK vs UltimatePlanningPoker
- 7STACK vs Trimble Viewpoint Vista
- 8STACK vs ConEst IntelliBid
- 9STACK vs HCSS
- 10STACK vs Jestimate
- 11STACK vs Bid4Build
- 12STACK vs CausewayOne Estimating
- 13STACK vs DESTINI Estimator
- 14STACK vs Estimate Rocket
- 15STACK vs McCormick Systems
- 16STACK vs Planning Poker
- 17STACK vs Procore
- 18STACK vs Sage Estimating
- 19STACK vs SEER for Software (SEER-SEM)
- 20STACK vs Clear Estimates
- 21STACK vs datapine (now RIB BI+)
STACK alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Buildxact | 6.4 | Free plan | $169/mo | Android, iOS, Web |
| 3 | Trimble Quadri | 6.4 | Free plan | Free | API, self-hosted, Web, Windows |
| 4 | Planning Poker Online | 6.3 | Free plan | $30/mo | Web |
| 5 | PlanningPoker.live | 6.3 | Free plan | Free | Browser, Web |
| 6 | UltimatePlanningPoker | 6.3 | Free plan | Free | Web |
| 7 | Trimble Viewpoint Vista | 5.7 | No | — | Android, API, iOS, self-hosted, Web, Windows |
| 8 | ConEst IntelliBid | 5.6 | No | — | Android, iOS, Mac, Web, Windows |
| 9 | HCSS | 5.5 | No | — | Android, API, iOS, Web, Windows |
| 10 | Jestimate | 5.3 | No | — | Web |
| 11 | Bid4Build | 5.1 | No | — | Web |
| 12 | CausewayOne Estimating | 5.1 | No | — | Web |
| 13 | DESTINI Estimator | 5.1 | No | — | Mac, Web, Windows |
| 14 | Estimate Rocket | 5.1 | No | $139/mo | Android, iOS, Web |
| 15 | McCormick Systems | 5.1 | No | — | Web |
| 16 | Planning Poker | 5.1 | No | — | Web |
| 17 | Procore | 5.1 | No | — | Android, API, iOS, Web |
| 18 | Sage Estimating | 5.1 | No | — | Windows |
| 19 | SEER for Software (SEER-SEM) | 5.1 | No | — | — |
| 20 | Clear Estimates | 4.9 | No | — | Web, Windows, Mac, iOS, Android |
| 21 | datapine (now RIB BI+) | 4.9 | No | — | Windows |
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Questions about STACK alternatives
What is the best alternative to STACK?
Buildxact, number 1 in project estimation software with a score of 6.4 out of 10. The others here: Trimble Quadri, Planning Poker Online, PlanningPoker.live and 16 more.
What is the best free alternative to STACK?
Buildxact is the best-ranked alternative with a free plan. 5 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.