Fluid UI vs ProtoPie Comparison
Fluid UI
Starting at $8.25 /Month
- Large Enterprises
- Medium Business
Fluid UI is the web-based wireframing dream. It gives full control over all the static, visual elements: fonts, colors, images, html elements, etc. Fluid UI › files can easily be opened and edited in any text editor as w…
ProtoPie
Starting at $11 /Month
- Free Trial
- Freelancers / Consultants
- Large Enterprises
ProtoPie is a brand new design tool that brings the power of visual design, rapid sketching and wireframing to non-designers. ProtoPie packs the flexibility of Visio & Balsamiq in one fun and simple tool. ProtoPie is a p…
ProtoPie leads on user satisfaction with a 4.8-star rating across 37 reviews.
SpotSaaS Analysis
Fluid UIProtoPie
The core difference between Fluid UI and ProtoPie lies in their focus: Fluid UI is designed for quick, simple wireframing and easy sharing, while ProtoPie emphasizes advanced prototyping with realistic interactions and animations. Ideal buyers for Fluid UI are small to medium-sized teams seeking a straightforward prototyping tool, whereas ProtoPie is best suited for teams that require high-fidelity prototypes and integration with design tools.
- Quick and interactive mobile and web app wireframing - Simple drag-and-drop interface - Easy sharing across web browsers - Suitable for small to medium-sized teams - Affordable pricing at $8.25 - Focus on basic prototyping needs
- Advanced, code-free prototyping capabilities - Realistic animations and interactions - Seamless integration with Sketch, Figma, and Adobe XD - Ideal for teams needing device interaction testing - Higher pricing at $11 - Best for teams focused on high-fidelity prototypes
Fluid UI vs ProtoPie — at a glance
| Feature | Fluid UI | ProtoPie |
|---|---|---|
| Rating | 4.2 / 5 | 4.8 / 5 |
| Reviews | 43 | 37 |
| Starting price | $8.25 /Month | $11 /Month |
| Free trial | No | Yes |
| Free version | No | No |
| Best for | Large Enterprises, Medium Business, Small Business | Freelancers / Consultants, Large Enterprises, Medium Business |
| Category | Wireframe Tools | Wireframe Tools |
| Platforms | SaaS/Web/Cloud, Mobile - Android, Mobile - iOS, Installed - Windows, Installed - Mac | SaaS/Web/Cloud, Mobile - Android, Mobile - iOS, Installed - Windows, Installed - Mac |
| API | — | — |
| Support modes | Business Hours, Online | Online |
| Certifications | — | GDPR |
| Data residency | Global | US |
Key differences between Fluid UI and ProtoPie
- Pricing: Fluid UI starts at $8.25 /Month, while ProtoPie starts at $11 /Month.
- Free trial: ProtoPie offers a free trial; Fluid UI does not.
- Target audience: Fluid UI is built for Large Enterprises and Medium Business, while ProtoPie targets Freelancers / Consultants and Large Enterprises.
- User satisfaction: ProtoPie scores higher with a 4.8-star average.
- Deployment: Fluid UI supports SaaS/Web/Cloud, Mobile - Android, Mobile - iOS, Installed - Windows, Installed - Mac; ProtoPie supports SaaS/Web/Cloud, Mobile - Android, Mobile - iOS, Installed - Windows, Installed - Mac.
Fluid UI vs ProtoPie — find the better fit before you commit.
Which tool fits your team best
Which is actually cheaper for your team size
Where each product wins, per real buyers
Most Wireframe Tools tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.
Biggest differences
Features
Pricing
Buying details
Security
Buyer feedback
Integrations
Product tour
Other options
Biggest differences
Start here before you go deeper into features.
Best for quick, interactive mobile and web app wireframing with easy sharing.
- You need a simple, drag-and-drop tool for mobile or web app prototyping.
- You want to share interactive prototypes easily across web browsers with clients.
- You require editable project files compatible with text editors and design apps like Photoshop.
- Your team needs advanced collaboration or complex prototyping features.
- You require support for complex UI conditions or non-Latin character sets.
Best for advanced, code-free prototyping with device interaction testing.
- You need realistic animations and interactions without coding skills.
- Your team uses Sketch, Figma, or Adobe XD and wants seamless integration.
- You require prototyping for mobile apps, websites, or software UI/UX.
- Your team depends heavily on real-time collaboration and component sharing.
- You need advanced layout features like auto layout or extensive font customization.
Fluid UI: Best for quick, interactive mobile and web app wireframing with easy sharing. ProtoPie: Best for advanced, code-free prototyping with device interaction testing.
Description | Fluid UI is the web-based wireframing dream. It gives full control over all the static, visual elements: fonts, colors, images, html elements, etc. Fluid UI › files can easily be opened and ... Read More about Fluid UI | ProtoPie is a brand new design tool that brings the power of visual design, rapid sketching and wireframing to non-designers. ProtoPie packs the flexibility of Visio & Balsamiq in one fun ... Read More about ProtoPie |
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Entry Level Pricing |
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Free Trial Availability |
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Spotsaas ScoreWhat's this? ↗ | 9.5/10 | 9.4/10 |
User RatingsBased on verified Spotsaas reviews | ||
Best Company Size | 1-50 employees51-500 employees | Small BusinessMedium Business |
Get pricing help | Get pricing help |
Software Demo
Demo |
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How do Fluid UI and ProtoPie Compare on Features?
Total Features | 9 Features | 9 Features |
|---|---|---|
Unique Features | No unique features | No unique features |
Get Quote | Get Quote |
Compare Fluid UI and ProtoPie on pricing
Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.
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Pricing Page | ![]() | ![]() |
Other Details
Organization Types supported |
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API Support |
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Get help choosing | Get help choosing |
Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
HIPAA | ✗ No | — |
|---|---|---|
GDPR | — | ✓ Yes |
Data Residency | 🌐 Global | 🇺🇸 US |
Fluid UI User Reviews & Rating Comparison
User Ratings | ||
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Rating Distribution | ||
Spotsaas Editor’s POV generated by AI | Buyer sentiment Users generally appreciate Fluid UI for its ease of use and interactive prototyping capabilities but note limitations in advanced features and pricing. What buyers like
Common complaints
| Buyer sentiment Users appreciate ProtoPie's powerful prototyping features and integrations but note a steep learning curve and limited collaboration tools as drawbacks. What buyers like
Common complaints
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Pros and Cons |
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Positive Reviews | No reviews available for the product | No reviews available for the product |
| Negative Reviews | No reviews available for the product | No reviews available for the product |
Media and Screenshots
Screenshots | ![]() 8 Screenshots | ![]() 1 Screenshots |
|---|---|---|
Videos | ![]() 3 Videos | ![]() 2 Videos |
Related Blogs and Articles for Wireframe Tools
Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].
Frequently asked questions
- Which is better, Fluid UI or ProtoPie?
- ProtoPie edges out the other on user ratings (4.8 vs 4.2). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do Fluid UI and ProtoPie offer a free trial?
- ProtoPie offers a free trial. Fluid UI does not.
- What is the starting price of Fluid UI vs ProtoPie?
- Fluid UI starts at $8.25 /Month. ProtoPie starts at $11 /Month.
- What are the top alternatives to Fluid UI?
- Top alternatives to Fluid UI include Miro, UX-App, HotGloo, Balsamiq, MockupTiger.
- What are the top alternatives to ProtoPie?
- Top alternatives to ProtoPie include Miro, Adobe XD, UX-App, Balsamiq, Axure RP.








