FluidUI vs ProtoPie: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for FluidUI and ProtoPie side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
FluidUI
Create interactive web and mobile prototypes quickly and easily with built-in libraries and collaboration.
Best for you if:
- • You want fast and easy to create prototypes
ProtoPie
Interactive prototypes without code
Best for you if:
- • You want highly realistic prototypes
| At a Glance | FluidUI | ProtoPie |
|---|---|---|
Starts at | Free plan, paid from $8.25/mo, billed yearly Solo plan | Free plan, paid from $25/mo flat, billed monthly Basic plan |
Category | UI/UX Design Prototyping | UI/UX Design Prototyping |
Rating | 4.4/5 SourceForge 4.3 · G2 4.1 · Capterra 5.0 93 reviews | 4.5/5 Capterra 4.5 · G2 4.4 70 reviews |
Free plan | Yes | Yes |
Choose FluidUI or ProtoPie?
Choose FluidUI if
- You want fast and easy to create prototypes
- You want extensive library of pre-built components
Choose ProtoPie if
- You want highly realistic prototypes
- You want sensor support
In-Depth Analysis
FluidUI
Create interactive web and mobile prototypes quickly and easily with built-in libraries and collaboration.
FluidUI's pricing is quite competitive, especially for individual users.
Strengths
- Pro: Fast and easy to create prototypes
- Pro: Extensive library of pre-built components
- Pro: Supports custom asset uploads
- Pro: Interactive prototypes with gestures and animations
- Pro: Clear visualization of page relationships (screenflow)
Weaknesses
- Con: Specific collaboration features like real-time editing are tied to higher-tier plans
- Con: Export and print features are not available on the free or Solo plan
Key features
ProtoPie
Interactive prototypes without code
ProtoPie's pricing is fair, offering a generous Free tier for basic needs.
Strengths
- Pro: Highly realistic prototypes
- Pro: Sensor support
- Pro: Team collaboration
Weaknesses
- Con: Steep learning curve
- Con: Expensive for teams
Key features
Plans and prices: FluidUI vs ProtoPie
| Tool | Plans and prices | Source |
|---|---|---|
| FluidUI |
| fluidui.com/pricing read Nov 1, 2026 |
| ProtoPie |
| protopie.io/pricing read Nov 2, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on FluidUI pricing and ProtoPie pricing.
Key Takeaways
FluidUI
- Choose if you want create interactive web and mobile prototypes quickly and easily with built-in libraries and collaboration
ProtoPie
- Choose if you want interactive prototypes without code
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- User ratings are within 0.2 points (4.4/5 from 93 reviews for FluidUI, 4.5/5 from 70 reviews for ProtoPie).
- Entry prices are not ranked, they are charged on different bases: FluidUI $8.25/mo, billed yearly; ProtoPie $25/mo flat, billed monthly.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do FluidUI and ProtoPie compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. User ratings are within 0.2 points (4.4/5 from 93 reviews for FluidUI, 4.5/5 from 70 reviews for ProtoPie). Entry prices are not ranked, they are charged on different bases: FluidUI $8.25/mo, billed yearly; ProtoPie $25/mo flat, billed monthly. Both have a free plan.
What are FluidUI and ProtoPie used for?
FluidUI: Create interactive web and mobile prototypes quickly and easily with built-in libraries and collaboration. ProtoPie: Interactive prototypes without code.
What does FluidUI cost vs ProtoPie?
FluidUI's cheapest paid plan is Solo at $8.25/mo, billed yearly; it also has a free plan. ProtoPie's cheapest paid plan is Basic at $25/mo flat, billed monthly; it also has a free plan. Prices read on the vendors' pricing pages, latest check Nov 2, 2026.
What's the main difference between FluidUI and ProtoPie?
FluidUI's main strength: fast and easy to create prototypes. ProtoPie's main strength: highly realistic prototypes.