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Head-to-head · User Flow Software

Overflow vs Slickplan

  • Updated Sep 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Overflow #2 in User Flow Software 8.5/10 14-day trial ✓ 3 of 5 features Visit Overflow
Slickplan #6 in User Flow Software 7.2/10 Free plan · paid from $10.79/mo (annual) · 14-day trial Free plan✓ 4 of 5 features Visit Slickplan

Overflow leads on 1 check, Slickplan on 3, and 2 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreOverflow · 8.5/10
  • Free planonly Slickplan
  • Most featuresSlickplan · 4 of 5

Overflow scores higher on our rubric for user flow software: 8.5 against 7.2 out of 10; our editors rank them #2 and #6.

Slickplan offers free plan; Overflow doesn't. Slickplan offers real-time collaboration; Overflow doesn't publish it. Overflow offers interactive prototypes; Slickplan doesn't publish it. Slickplan offers flow templates; Overflow doesn't publish it.

Overflow is the better fit for design teams presenting detailed user flows. Slickplan is the better fit for website teams combining flows and content planning.

  • Overflow fits best

    Design teams presenting detailed user flows

  • Slickplan fits best

    Website teams combining flows and content planning

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature Overflow 8.5/10 Visit ↗ Slickplan 7.2/10 Visit ↗
At a glance
Editor score 8.5 7.2
Ranking #2 in User Flow Software #6 in User Flow Software
Best for Design teams presenting detailed user flows Website teams combining flows and content planning
Pricing model Paid Free plan + paid
Starting price Not published Not published
Free plan — ✓ (best)
Free trial — —
Free trial length 14 days · no card needed 14 days · no card needed
Deployment Cloud, Desktop Cloud
Platforms Web, Windows, macOS Web
Support Email, Live chat, Community, Docs Email, Live chat, Phone, Docs · 24/7
Integrations 9 integrations 8 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Overflow 3/5 · Slickplan 4/5
Real-time collaboration Not published ✓ (best)
Interactive prototypes ✓ (best) Not published
Version history ✓ ✓
Flow templates Not published ✓ (best)
Screen imports ✓ ✓
Specs
Export formats PDF, PNG PDF, Image, Slickplan XML
Supported platforms macOS, Windows, web browsers web
Our review
Pros
  • Imports designs from Figma, Sketch, Adobe XD, and Photoshop
  • Interactive presentations, prototypes, hotspots, and annotations
  • Unlimited version history with comments and team folders
  • Combines flows, journey maps, sitemaps, content, and mockups
  • Supports real-time editing, chat, comments, and version history
  • Exports diagrams and websites, with Figma sync and developer API
Cons
  • No permanent free plan
  • Paid pricing is not displayed in USD
  • AI features are not included
  • Its primary emphasis is broader website planning, not flow mapping alone
  • Basic supports 1 user and 3 active projects
  • The web-only platform may not suit teams needing desktop software
Our verdict

Overflow is a desktop and cloud-sharing tool for product and design teams that need to map, explain, and present user journeys. It supports user-flow diagrams with connectors, shapes, annotations, and device skins, then adds interactive…

Read the review →

Slickplan is a web-based website planning suite for UX designers, content strategists, marketers, project managers, developers, solo creators, sales teams, and agencies. It brings sitemap building, user-flow and journey diagramming,…

Read the review →
  1. OverflowUser Flow Software 8.514-day trial
  2. SlickplanUser Flow Software 7.2Free plan · paid from $10.79/mo (annual) · 14-day trial

Strengths and trade-offs

  • Overflow — where it wins

    • Imports designs from Figma, Sketch, Adobe XD, and Photoshop
    • Interactive presentations, prototypes, hotspots, and annotations
    • Unlimited version history with comments and team folders

    Where it doesn't

    • No permanent free plan
    • Paid pricing is not displayed in USD
    • AI features are not included
  • Slickplan — where it wins

    • Combines flows, journey maps, sitemaps, content, and mockups
    • Supports real-time editing, chat, comments, and version history
    • Exports diagrams and websites, with Figma sync and developer API

    Where it doesn't

    • Its primary emphasis is broader website planning, not flow mapping alone
    • Basic supports 1 user and 3 active projects
    • The web-only platform may not suit teams needing desktop software
  • Overflow8.5/10 · 14-day trial

    A focused tool for turning imported designs into shareable, interactive user flows.

    Visit OverflowFull verdict →
  • Slickplan7.2/10 · Free plan · paid from $10.79/mo (annual) · 14-day trial

    A broad website planning suite with capable flow mapping and collaboration.

    Visit SlickplanFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update