Design smarter.
Present beautifully.
Alterior is the all-in-one platform for interior designers. Manage projects, generate AI concepts, build mood boards, and share with clients.
Built for how designers actually work
Every feature is designed around the interior design workflow — from first client meeting to final approval.
Organize every detail of your design projects
Create projects for each client. Break them into rooms. Track budgets, timelines, and status. Upload photos and documents. Everything lives in one place.
- Client & project tracking
- Room-by-room organization
- Budget range tracking
- Status workflow
- Activity logging
Thompson Residence
142 Oak Avenue, Greenwich, CT
Generate design concepts in seconds
Describe the mood and style. Our AI generates complete design concepts with color palettes, materials, key furniture pieces, and layout notes. Refine and approve.
- Multiple style directions
- AI-generated color palettes
- Material recommendations
- Key furniture & decor pieces
- Budget-aware suggestions
Warm Modern Sanctuary
Warm, grounded, sophisticated. A living room that feels like a quiet exhale — natural materials, soft textures, and golden light.
Build visual inspiration on a freeform canvas
Drag and drop images, colors, and text onto an infinite canvas. Arrange freely. Save layouts. Present to clients alongside your concepts.
- Drag-and-drop canvas
- Images, colors, and text blocks
- Resize and position freely
- Link to project assets
- Auto-save layout
Living Room — Warm Modern
"Warm Modern Sanctuary — grounded luxury with natural materials, soft textures, and golden afternoon light"
Build polished client presentations
Create slide-by-slide presentations referencing your rooms, concepts, mood boards, and assets. Always shows the latest version. Publish to the client portal.
- Slide builder
- Reference rooms, concepts, boards
- Always-current content
- One-click publish
- Client portal integration
Thompson Residence — Design Proposal
Thompson Residence
Design Proposal — Modern Transitional
Prepared by Studio Atelier · 5 slides · Updated 2h ago
Share with clients — no login required
Generate secure access codes. Clients enter the code and instantly see published presentations. Leave real-time comments. Pin feedback to specific slides.
- Code-based access (no client accounts)
- Real-time comments via WebSocket
- Pin comments to slides
- Control what clients can see
- Track when clients visit
Client PortalLiving Room — Warm Modern Sanctuary
The living room anchors the ground floor. South-facing bay windows flood the space with golden light.
Love the warm tones! Can we see a darker oak option?
Absolutely! I'll add a walnut variant next week.
All your files, organized and accessible
Upload site photos, inspiration images, vendor quotes, and more. Auto-generate thumbnails. Tag and filter. Attach to rooms and mood boards.
- Drag-and-drop upload
- Auto thumbnails for images
- Filter by room, type, tags
- Presigned URLs for secure access
- Up to 200 GB on Studio plan
Project Assets
Uploadliving-room-01.jpg
kitchen-marble.jpg
fabric-swatch.jpg
brass-fixtures.jpg
entryway-01.jpg
floor-plan.pdf
inspiration-01.jpg
mood-ref.jpg
From kickoff to client approval
Three simple steps. One seamless workflow.
Set up your project
Create a project, define rooms, upload site photos and inspiration. Everything organized by space.
Generate & curate
Let AI generate design concepts. Build mood boards. Refine palettes and materials until it feels right.
Present & collaborate
Build polished presentations, share via the client portal. Collect feedback and approvals in real time.
Simple, transparent pricing
Start free. Scale when you're ready. No surprises.
Trial
Perfect for trying Alterior on a small project.
- 2 active projects
- Basic AI concepts
- Mood boards
- Client portal
- 5 GB storage
Pro
For independent designers and small studios.
- Unlimited projects
- Unlimited AI concepts
- Unlimited mood boards
- Presentation builder
- Client portal with comments
- 50 GB storage
- Priority support
Studio
For design firms that want a branded experience.
- Everything in Pro
- White-label client portal
- Custom branding
- Team management
- 200 GB storage
- Dedicated support
- API access
Frequently asked questions
Can I try before I buy?
Yes! The Trial plan is free forever for up to 2 active projects. Pro and Studio come with a 14-day free trial.
Do my clients need an account?
No. Clients access the portal with a simple access code. No signup, no passwords.
Can I switch plans?
Absolutely. Upgrade or downgrade anytime. Changes take effect immediately.
What AI model powers the concepts?
We use Anthropic Claude to generate design concepts with structured palettes, materials, and key pieces.
Alterior has completely transformed how I present to clients. What used to take days now takes hours. The AI concepts are genuinely inspiring.
Sarah Mitchell
Principal Designer, Studio Atelier
Ready to elevate your design workflow?
Request early access. We're onboarding designers now.