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Lovable

The world's first AI Fullstack Engineer

★★★★★ 4.6/5
FactScore™ 102.3
VS

Sparrow

The lightest and fastest API testing platform

★★★★★ 5.0/5
FactScore™ 61.5

Updated February 2026

Lovable Sparrow
Rating 4.6★ 5.0★
Reviews 161 16
Pros 14 21
FactScore™ 102.3 61.5

FactScore™ Comparison

FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.

👑
102.3
Lovable FactScore™
★ Lovable wins on FactScore™
61.5
Sparrow FactScore™

Pros & Cons

Only in Lovable — Pros

Fast prototyping Rapid application development No code Design capabilities MVP builder Frontend development GitHub integration Supabase integration Free plan Collaboration features Excellent prompt understanding Mcp support Visual logic

Both tools — Pros

User-friendly interface

Only in Sparrow — Pros

Effective API testing Lightweight tool Boosts productivity Fast performance Reliable tool Open source Team collaboration Improves development workflow Self-hosting support TestFlow feature Comprehensive documentation generation Collection and environment management Discoverable features No login required Robust security tools Customizable requests Minimal inputs required Real-time testing Supports multiple authentication methods Supports various content types

Only in Lovable — Cons

Buggy Complexity handling issues Limited prompts Expensive Poor customer support Limited backend support Slow performance Limited error handling Supabase integration

Both tools — Cons

—

Only in Sparrow — Cons

Error handling improvements needed Real-time collaboration improvements needed

Details

Lovable Sparrow
Categories AI Coding Agents, Vibe Coding Tools Automation tools, AI Coding Agents
Platforms Web Web
Became Popular January 4, 2024 July 22, 2024
Website lovable.dev sparrowapp.dev

Who Should Pick Which?

Choose Lovable if...

  • Fast prototyping
  • Rapid application development
  • No code

Choose Sparrow if...

  • Effective API testing
  • Lightweight tool
  • Boosts productivity

With a FactScore™ of 102.3 vs 61.5, Lovable leads in community reception. Lovable uniquely offers Fast prototyping and Rapid application development, while Sparrow stands out for Effective API testing and Lightweight tool.

3

What Users Say

Lovable

D
Divyansh Jun 17, 2025
★★★★★

Lovable was a game-changer for Brand Stori! We built our entire front-end UI/UX in weeks instead of months. The platform's intuitive understanding of design requirements and rapid prototyping capab...

V
Volo Aug 6, 2025
★★★★★

Lovable is my favorite AI app builder. It's the best way to get started or build simple tools that just work out of the box. Although I often end up using Cursor for bigger, more serious projects -...

M
marija Mar 12, 2025
★★★★★

I've been using Lovable to create experimentation landing pages, and the new Visual Edits feature takes it to the next level—giving me even more control! I've been able to export the code and deplo...

Sparrow

A
Astitva Oct 11, 2024
★★★★★

I’ve been using Sparrow for API testing, and it has truly impressed me with its versatility and ease of use. The tool offers a rich set of features, including API testing, seamless collaboration am...

N
Nagesh Aug 31, 2024
★★★★★

Sparrow provides an intuitive interface that makes API management straightforward, even for those who might not be deeply technical. It is a robust API management tool that offers a good blend of f...

N
Nayan Aug 22, 2024
★★★★★

Amazing UI and discoverable features. It can be used without login as well. This is for all those tired of Postman putting basic features behind a registration or paywall.

Frequently Asked Questions

Which is better, Lovable or Sparrow ?

Based on FactScore™, Lovable leads with a score of 102.3 vs 61.5. Lovable has a higher rating of 4.6★ compared to 5.0★.

What are the pros of Lovable compared to Sparrow ?

Lovable uniquely offers: Fast prototyping, Rapid application development, No code, Design capabilities, MVP builder.

What are the pros of Sparrow compared to Lovable?

Sparrow uniquely offers: Effective API testing, Lightweight tool, Boosts productivity, Fast performance, Reliable tool.

Is Lovable better rated than Sparrow ?

Lovable is rated 4.6★ from 161 reviews. Sparrow is rated 5.0★ from 16 reviews.

What is the FactScore™ of Lovable and Sparrow ?

FactScore™ weighs rating and review volume together. Lovable scores 102.3 and Sparrow scores 61.5.

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