Deciding between Bolt.new and Bubble? This comparison focuses on the details that actually separate these ai app builders tools, from content boundaries and pricing to voice, images, memory, customization depth, and overall fit.
The biggest differences show up in pricing model, image generation, and roleplay depth.

Bolt.new is StackBlitz's browser-based AI builder for generating and iterating on full-stack apps, prototypes, and websites directly from prompts with live code execution.
Very fast for prompt-to-prototype workflows
Watch for: Token usage can be unpredictable

Bubble remains one of the biggest no-code app platforms, now pairing visual workflows with AI-assisted generation for SaaS products, marketplaces, and internal tools.
its overall feature set
| Feature Set | Bolt.new | Bubble |
|---|---|---|
| NSFW Filter | Flexible (varies by mode) | Flexible (varies by mode) |
| Pricing Model | Tokens / Premium | Free & Premium |
| Voice Chat | No | No |
| Image Generation | No | Yes |
| Roleplay Depth | Medium | Very High |
| Long-term Memory | Medium | Medium |
| Custom Characters | Yes | Yes |
| API Support | No | No |
Bolt.new offers Tokens / Premium, while Bubble offers Free & Premium.
Bolt.new offers No, while Bubble offers Yes.
Bolt.new offers Medium, while Bubble offers Very High.
Choose Bolt.new if you care most about very fast for prompt-to-prototype workflows, with extra emphasis on browser ide, full-stack, and rapid prototyping.
Other leading ai app builders picks from our directory—useful if you want a different balance of features than this head-to-head.
Both Bolt.new and Bubble are top-tier platforms. We recommend Bolt.new for very fast for prompt-to-prototype workflows while Bubble stands out for its overall feature set. Both offer exceptional value for AI enthusiasts.
A: It depends on your needs. Bolt.new is stronger for very fast for prompt-to-prototype workflows, while Bubble stands out more for its overall feature set.
A: Pricing Model is the clearest separator: Bolt.new offers Tokens / Premium, while Bubble offers Free & Premium.
A: Bolt.new is listed around Flexible (varies by mode), while Bubble is listed around Flexible (varies by mode).
A: Bolt.new is closer to Tokens / Premium, while Bubble is closer to Free & Premium.
A: Choose Bolt.new if you care more about very fast for prompt-to-prototype workflows, especially around browser ide, full-stack, and rapid prototyping.
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