OpenProject vs Trello: Which Project Management Is Better in 2026?
Compare pricing, features, integrations, verified reviews, AI capabilities, security, and customer satisfaction — side by side, with no marketing spin.
The Short Answer
OpenProject vs Trello, in 15 seconds
Choose OpenProject if…
- You prefer OpenProject's approach and ecosystem
Choose Trello if…
- You want deeper AI and automation features
- You need the broader feature set
Head-to-Head Scorecard
How OpenProject and Trello score
Trello leads on 2 of 9 measured dimensions.
- Even
Customer Rating
Average score from verified user reviews
OpenProjectNo reviewsTrelloNo reviews - Even
Review Volume
Number of verified reviews — a proxy for adoption
OpenProject0Trello0 - Even
Entry Pricing
Lowest published starting price (free plan = lowest)
OpenProject$0/moTrello$5/mo - Even
Free Access
Availability of a free plan and/or free trial
OpenProjectFree plan + trialTrelloFree plan + trial - Even
Integrations
Number of listed third-party integrations
OpenProject8Trello8 - Trello
Features
Number of listed product capabilities
OpenProject8Trello11 - Trello
AI Features
Capabilities mentioning AI, automation or ML
OpenProject—Trello2 - Even
Security & Compliance
Number of listed compliance certifications
OpenProject3Trello3 - Even
Platforms & Deployment
Supported platforms and deployment options
OpenProject6Trello6
Feature Comparison
OpenProject vs Trello feature breakdown
Search or filter the full feature matrix — core features, AI, integrations, APIs, security and compliance.
Pricing Comparison
OpenProject vs Trello pricing
Entry pricing, plan tiers and the cost factors that shape total cost of ownership.
OpenProject
$0/mo to start- Free open source
- On-premises
- Core project management
- Gantt and boards
- Per user
- Enterprise add-ons
- Email support
- Cloud or on-premise
- Per user
- Phone support
- Onboarding training
- Training materials
- Per user
- On-premises
- From 100 users
- Advanced enterprise features
Trello
$5/mo to start- Unlimited cards
- 10 boards per workspace
- Unlimited Power-Ups
- 250 Butler runs/month
- Unlimited boards
- Advanced checklists
- Custom fields
- 1,000 Butler runs
- Calendar, Timeline, Table, Dashboard
- Unlimited Butler runs
- AI content generation
- Admin & security controls
- Organization-wide permissions
- SSO & SCIM
- Advanced admin
- Attachment controls
Total cost of ownership factors
Beyond list price, factor in implementation, training, add-ons and per-seat scaling when estimating total cost of ownership.
Pros & Cons
OpenProject vs Trello: strengths and trade-offs
OpenProject
Pros
- Free plan available
- Free trial offered
- Lower starting price ($0/mo)
- Compliance: GDPR, ISO 27001, SOC 2
- Public API available
Cons
Trello
Pros
- Free plan available
- Free trial offered
- Compliance: SOC 2 Type II, ISO 27001, GDPR
- Stronger AI / automation features
- Public API available
Cons
- Higher starting price ($5/mo)
Buyer Fit
Who should use OpenProject vs Trello?
Startups
Either
Either keeps early-stage costs lowest with its entry tier.
Small businesses
Either
Either offers the most accessible pricing for lean teams.
Agencies
Trello
Trello connects to more tools for multi-client workflows.
Enterprises
Trello
Trello leads on compliance and breadth for complex needs.
Ecommerce
Trello
Trello integrates with more of the commerce stack.
SaaS companies
Trello
Trello is the more developer- and automation-friendly choice.
Integration overlap
Shared integrations (3)
Only in OpenProject (5)
Only in Trello (5)
Keep Exploring
Other alternatives worth considering
Similar project management products buyers compare alongside OpenProject and Trello.
Ask SIA which solution fits your business
SIA, Saaskart's AI buying assistant, weighs OpenProject and Trello against your team size, budget, integrations and compliance needs — then recommends the right fit and the questions to ask each vendor.
Get a personalised recommendationOpenProject vs Trello — Frequently Asked Questions
What is the difference between OpenProject and Trello?
OpenProject and Trello are both Project Management solutions. OpenProject is rated 0.0/5 by 0 users, while Trello is rated 0.0/5 by 0 users. The main differences lie in pricing, features, and target audience.
Which is better, OpenProject or Trello?
Based on user ratings, OpenProject scores higher at 0.0/5. The best choice depends on your team size, budget, and specific requirements.
Which is cheaper, OpenProject or Trello?
OpenProject is the more affordable option, starting at $0/month.
Does OpenProject or Trello have a free plan?
OpenProject offers a free plan. does not have a free tier but does offer a free trial.
Can I switch from OpenProject to Trello?
Switching between OpenProject and Trello is possible. Both support data export. Check integration compatibility and plan for data migration to minimise disruption to your team.
Who should use OpenProject vs Trello?
OpenProject is best suited for teams that prioritise enterprise features. Trello works well for teams looking to start free and scale.
Our Verdict
The bottom line on OpenProject vs Trello
Best Overall
Either
It's a tie balances user satisfaction and proven adoption.
Best for Startups
Either
It's a tie has the friendliest entry point for new teams.
Best for Enterprise
Trello
Trello leads on compliance and feature breadth.
Best Value
Either
It's a tie delivers the lowest cost to get started.
Best AI Features
Trello
Trello ships more AI and automation.
Highest Rated
Either
Both earn equal user ratings.
