Mobile UI And UX Engineering — hobby stack.
For each requirement below, pick the option that fits your build — recommended first, then free and cheaper alternatives — or skip what your project doesn't need. Tap the info icon next to any requirement to see why it matters.
Design System Hosting / Collaboration
Where your code actually runs and serves requests. Picking the right host affects speed, scaling, and how much ops work you do.Pricing & free-tier limitsFigma Free: 3 projects + 3 files. Pro $15/editor/mo (2026). Org $45/editor/mo. Penpot self-host: ~$5-20/mo infra (VPS) + Free unlimited.
Component Library Registry (Private npm)
A piece of your stack you may or may not need, depending on scope. Pick the option that fits — or skip it if your project doesn’t require this capability yet.Pricing & free-tier limitsGitHub Packages: Free 500MB storage + 1GB transfer/mo. Pro $4/user/mo. Artifactory Cloud from $98/mo. npm public free unlimited public.
UI Asset Storage (Icons, Images, Illustrations)
Where you keep files users upload or you serve — images, videos, documents — and how fast they reach visitors around the world.Pricing & free-tier limitsCloudinary Free: 25 credits = 25GB storage + 25GB BW/mo. Plus $99/mo: 100GB storage/BW. S3: $0.023/GB storage + $0.09/GB transfer.
Storybook / Design System Docs Hosting
Where your code actually runs and serves requests. Picking the right host affects speed, scaling, and how much ops work you do.Pricing & free-tier limitsVercel Hobby Free: 100GB BW, 6000 execution hrs. Pro $20/seat/mo + $20/mo base. Netlify Free 100GB BW. Chromatic Free 5k snapshots.
Visual Regression Testing
A piece of your stack you may or may not need, depending on scope. Pick the option that fits — or skip it if your project doesn’t require this capability yet.Pricing & free-tier limitsChromatic Free 5k snapshots/mo, $149/mo for 35k snapshots (2026). Percy Free 5k snapshots, $99/mo for 10k snapshots. Lost Pixel self-host free.
Accessibility Testing Infrastructure
A piece of your stack you may or may not need, depending on scope. Pick the option that fits — or skip it if your project doesn’t require this capability yet.Pricing & free-tier limitsaxe-core Free OSS unlimited. Lighthouse CI Free. BrowserStack Accessibility $129/mo (1 user) Starter, $199/mo Team. Deque axe DevTools Pro $40/dev/mo.
Device Farm / Responsive UI Testing
Delivers properly sized, fast-loading images. Big impact on page speed and bandwidth cost.Pricing & free-tier limitsLambdaTest Free 60 min/mo live testing. AWS Device Farm $0.17/min ($10.20/hr) device. BrowserStack Live $29/mo solo (1 parallel), Team $129/mo (5 parallels).
CI/CD for UI Builds
Automates testing and deploying your code. Saves enormous time and prevents “works on my machine” releases.Pricing & free-tier limitsGitHub Free 2000 Linux min/mo + 500MB packages. Team $4/user/mo: 3000 min. CircleCI Free 6000 credits/mo (~1000 min). Paid $15/mo + $0.00008/credit overage.
Icon Delivery & Icon Font Hosting
Where your code actually runs and serves requests. Picking the right host affects speed, scaling, and how much ops work you do.Pricing & free-tier limitsIconify Free unlimited API, no limit. jsDelivr Free unlimited. Font Awesome Pro $99/year (1 seat), $199/year team. IcoMoon Free, $25 one-time removal.
Animation Asset Hosting (Lottie, Rive)
Where your code actually runs and serves requests. Picking the right host affects speed, scaling, and how much ops work you do.Pricing & free-tier limitsLottieFiles Free unlimited public. Pro $19.99/mo: 500 private files. Enterprise $149/mo: SAML + analytics. Rive Free 1 workspace, Pro $12/editor/mo. R2 storage Free 10GB.
UI Interaction Analytics
Understands your users and supports them. Drives product decisions and retention.Pricing & free-tier limitsPostHog Free 1M events/mo, then $0.248/1k events (2026). Mixpanel Free 100k MTU/mo, Growth from $28/mo. Umami self-host ~$5/mo infra, free unlimited.
How this hobby mobile ui and ux engineering checklist works.
Each requirement below is something a hobby mobile ui and ux engineering build typically needs. Pick one of the four researched options — recommended, free, cheaper or paid — add your own with "Other", or skip the requirement if your project doesn't need it. Nothing is mandatory; the plan on the right tracks what you've decided so nothing gets forgotten.
Your picks are saved in this browser automatically, so you can come back anytime. Options are researched per build level and refreshed as vendors change their plans — always verify details on the provider's page before committing.