AI room design tool to preview furniture, colors, and styles in your own space before making changes
Visual height comparison tool for people, animals, objects, and characters
Stage
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Pricing model
Freemium
Freemium
Pricing
Free: 10 free generations every week with no sign-up required. Starter: $9 one time for 30 credits ($0.30 per image). Project: $19 one time for 100 credits ($0.19 per image). All paid credits never expire and one-time purchase with no subscription.
Free plan available with limited features. HowHeight Pro plans: Monthly $4.99, Quarterly $9.99 per 3 months (with permanent unlock of more object placements), Yearly $29.99 per year (with permanent unlock and lifetime compression after 7-day trial ends and annual payment succeeds).
Key features
Upload room photo and describe desired changes to generate AI previews
Try multiple design variations and regenerate as needed
Add reference images of products or materials to guide the design
Free AI room design without login to preview one result before signing up
Download and share generated design results
Choose between GPT Image 2 and Nano Banana 2 image generation models
Visual height comparison on a shared baseline scale
Support for centimeters and feet plus inches measurements
Compare people, celebrities, animals, objects, and fantasy characters
Save comparison boards with Pro subscription
Export comparisons as PNG images
Create shareable links for comparison boards
1,000+ built-in asset references
Custom names and editable entries
Ad-free workspace with Pro subscription
Unlimited objects on boards with Pro subscription
What makes it different
Realistic previews in your own photo before buying or renovating anything
One-time purchase model with no subscription and non-expiring credits
Keeps the rest of your room unchanged, focusing only on the specific modification you request
Independently operated service not affiliated with AI model providers
Over 1,000 built-in asset references with celebrity presets for instant comparisons
Single shared baseline makes height differences proportional and easy to understand at a glance
Simple three-step workflow with no signup required for basic use
Export and share results as PNG images or shareable links
AI Room Makeover
HowHeight