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10 Best Free No-Code App Building Sites for Simple Solutions
Discover the 10 best free no-code app builders for simple solutions in 2025. Compare limits, publish targets, and lock-in—then ship your MVP today.
“Free” should help you ship something real—not just click around a demo. In this guide, each platform offers an always-free plan (not only a time-limited trial) with the ability to build, preview/share, and learn the workflow before you ever pay. We focus on simple-solution friendliness: ready-made templates and components, spreadsheet/Airtable/Supabase-style data connectors, and guided UX so a non-developer can get from idea to clickable app fast.
We rate tools on publish targets (Web/PWA/iOS/Android), free-tier limits (rows/users/screens), branding, data sources, export/lock-in, and learning curve—because those are the constraints you’ll hit on day one. To keep things discoverable, we also group comparisons and quick recipes so you can match a use case to a builder in minutes.
For readers surveying free app building sites, free app development sites, and the Best free app building sites, this is the practical, limitations-first view you need before committing time to a platform.
Quick Comparison (Free-Plan Realities)
The 10 Best Free No-Code App Builders
1. Glide — Spreadsheet-to-app speedrunner
Why it’s great for simple solutions: If your data already lives in Google Sheets, CSV, or Airtable, Glide’s components give you instant CRUD lists, detail views, filters, and forms. Sharing is quick, and the UX defaults are clean enough for internal use or lightweight portals.
Free-plan snapshot: Glide’s Free plan exists to let you start building for personal/learning use; recent updates maintained Free as the on-ramp while paid tiers add capacity and publishing options.
Best for: simple CRMs/directories, field checklists, inventory trackers.
2. Softr — Portals & web apps from Airtable/Sheets
Why: Softr’s opinionated blocks (lists, accounts, search, gated content) make client portals and knowledge libraries trivial; it pairs naturally with Airtable/Sheets and adds member-only pages without custom auth work.
Free-plan snapshot: The $0 Free plan lets you try the builder and publish on a Softr subdomain; higher tiers scale users, automations, and branding.
Best for: member/client portals, resource libraries, internal dashboards.
3. Adalo — Mobile & web apps with a visual database
Why: Adalo feels like a true app structure—collections, relationships, actions—so you can assemble flows quickly for mobile MVPs or simple internal tools.
Free-plan snapshot: “Build for free, pay to publish.” Free includes 200 records/app, unlimited screens, and unlimited test apps; publishing and higher capacities require paid.
Best for: simple mobile MVPs, prototypes, and lightweight internal tools.
4. Thunkable — Drag-and-drop native mobile
Why: If you want fast access to mobile device APIs with a visual builder, Thunkable is beginner-friendly and battle-tested for learning and prototypes.
Free-plan snapshot: The current Free plan provides 3 public projects, 5 screens per project, and limited test downloads; store publishing needs paid. (Policy clarified in official community updates.)
Best for: learning, proof-of-concepts, hackathons.
5. FlutterFlow — Visual Flutter with a path to code
Why: You can start visually and retain code/APK export and a path to one-click store deployment on paid tiers—great if you might graduate to custom dev later.
Free-plan snapshot: Free = 2 projects (with archival rules prompting you to pick two to keep editable); plan tables and pricing note code/APK download and deployment features on paid tiers.
Best for: simple apps that might later need full Flutter customization.
6. WeWeb — Pixel-perfect web apps (free subdomain publishing)
Why: WeWeb is a modern front-end builder with strong data bindings (REST, Airtable, Supabase) and fine-grained layout control—ideal when you want a polished web front end quickly.
Free-plan snapshot: As of Feb 2025, you can publish for free on a WeWeb domain; seat-based subscriptions unlock more.
Best for: front ends over existing data/services; landing + dashboard combos.
7. Bravo Studio — Turn Figma into mobile apps
Why: Designers love the Figma-first workflow. Map frames to screens, connect data, preview on device; upgrade later to publish to stores.
Free-plan snapshot: Free/Starter lets you explore and preview; paid plans (e.g., Olé/Solo) unlock publishing to iOS/Android and more screens per app.
Best for: content apps and design-driven prototypes where visuals lead.
8. Bubble — Database-first web apps (learn on Free)
Why: Bubble offers robust workflows, a deep plugin ecosystem, and serious customization if your simple tool later needs more logic.
Free-plan snapshot: Bubble maintains a Free $0 plan for building/learning (custom domains and production-grade features are paid). In 2025, Bubble also ran mobile publishing promotions on paid plans—useful if you plan to go native later.
Best for: CRUD web tools, internal utilities, and iterative prototypes.
9. MIT App Inventor — 100% free, education-friendly (Android)
Why: Blocks-based building with a huge learning community; perfect for classrooms and personal utilities.
Free-plan snapshot: You can build and export APKs for Android directly from the Build menu; live-testing is straightforward.
Best for: classroom apps, STEM learning, personal Android utilities.
10. Budibase — Free internal-tool builder (open-source option)
Why: Budibase shines for internal CRUD tools with forms, automations, and role-based access—and you can self-host.
Free-plan snapshot: Budibase lists a Free tier and explicitly supports self-hosting or Budibase Cloud; free is great for trying the platform, with paid tiers unlocking more users/controls.
Best for: approval flows, admin panels, back-office dashboards.
Lock-In & Export Score (What to Watch)
If you might “outgrow” no-code, prefer builders that keep the exit door open. FlutterFlow provides code and APK download paths (on paid tiers), and Budibase offers self-hosting, so you can own infra and avoid platform lock-in. Factor these into your TCO math—especially if your simple tool could become core to operations.
As you compare free app building sites, confirm whether exports are gated by plan, and whether you can keep data in a neutral store (e.g., Airtable/Supabase). When lining up free app development sites, check whether user/row limits block your pilot. And as you shortlist the best free app building sites, inspect branding rules and subdomain constraints before showing stakeholders anything.
Publish Targets Matrix (At a Glance)
Web/PWA: Glide, Softr, Bubble, WeWeb. (All support publishing to a hosted subdomain on free/entry tiers; custom domains and higher performance usually require paid.)
Android/iOS: Thunkable, FlutterFlow, Adalo, Bravo Studio, MIT App Inventor (Android only). (Store publishing generally requires paid.)
The Mini Buyer’s Guide (Choosing Your Starter)
Before diving into reviews, match tool to job:
- Spreadsheet → app/portal: Glide/Softr keep you in familiar data tools and let you add login, lists, and forms without schema headaches.
- Mobile prototype (fast): Thunkable/FlutterFlow/Adalo if you need device features or a native feel; expect to pay for store publishing.
- Front-end polish: WeWeb when layout precision and data binding matter more than deep business logic.
- Design-first mobile: Bravo Studio if you design in Figma and want quick on-device previews before investing in paid publishing.
- Internal tools with control: Budibase if you want OSS/self-host runway from day one.
This is the line-up of the Best free app building sites for getting a simple solution online quickly. Across these free app development sites, you’ll see consistent patterns: subdomains/branding on Free, modest resource caps, and clean upgrade paths.
3 Fast “Simple Solution” Recipes (copy-paste briefs)
Field checklist app (≈60 min)
Stack: Google Sheets → Glide → share link
Steps:
- Seed a Sheet with tasks, status, assignee, timestamp.
- Connect Sheet in Glide; use a Collection with filters (“My Tasks”).
- Add a Form to append rows; enable basic visibility by signed-in user.
- Share the app link internally; review completion in the Sheet.
Client portal (≈90 min)
Stack: Airtable → Softr (members + lists + search)
Steps:
- Create
Clients,Projects,Docstables in Airtable. - In Softr, enable user accounts; add List/Search blocks for Projects.
- Gate detail pages by logged-in user; publish to a Softr subdomain.
- Iterate on filters and tags; upgrade later for advanced quotas/branding.
Mobile prototype (≈90 min)
Stack: Figma frames → Bravo Studio → on-device preview
Steps:
- Design key flows in Figma (Home → List → Detail → Form).
- Import to Bravo; connect a simple API or mock JSON for content.
- Preview on device with Bravo Vision; tune tap targets and spacing.
- Upgrade when ready to push to stores.
These patterns work regardless of which tools you pick from the Best free app building sites. They also translate well if you move between free app development sites as your needs evolve.
FAQ
Can I remove platform branding or use a custom domain on the free tier?
Usually not. Free tiers are for validation on a hosted subdomain and typically include visible platform branding. Treat that as your sandbox: prove the core flow, gather feedback, and set a clear “upgrade trigger” (e.g., 1,000 monthly visits or your first paying customer). If you’re demoing, warn stakeholders about watermarks and rely on screenshots or recordings that de-emphasize them. For any public launch or press, plan to upgrade first so you don’t undermine trust with branded URLs or banners.
Do I own my data, and can I export it later without headaches?
You generally own your content, but how you export varies by platform and plan. Before investing, test three exits: 1) CSV export of records, 2) API access to pull live data, and 3) syncing into a neutral store (Airtable, Postgres, or Google Sheets). Keep assets (logos, JSON copy, icons) in a portable repo, and document the schema so you can reproduce it elsewhere. If the platform bundles authentication, confirm how users and passwords migrate. Favor tools with code export or open connectors to reduce lock-in.
Will my app be fast and reliable on free hosting?
Free hosting often runs on shared infrastructure with throttles, so ship lean. Paginate lists, lazy-load images, compress media, and cache expensive queries into a lightweight table. Use a simple checklist: first contentful action <3s on 4G, images <200KB, and <30 network requests on first load. Add basic event logging (timestamp, route, action) to spot bottlenecks. When comparing free app building sites, check whether the vendor provides a CDN, PWA support, and static asset optimization on the free tier.
Can my team collaborate securely on a free plan?
Often yes—within limits. Free tiers may cap collaborators and offer coarse roles (viewer/editor). Avoid shared logins; provision individual accounts and keep a one-page runbook covering invites/removals, rollback steps, and who approves data-model changes. Store API keys in a restricted configuration table, not inside components. Maintain a change log and weekly snapshots for quick recovery. As needs grow, budget for paid features like SSO, granular permissions, and audit trails that most free plans don’t include.
What’s the safest upgrade path without rebuilding later?
Design for change from day one. Separate content from layout, use stable slugs, and route integrations through a light service layer (Zapier/Make or native automations). Define “Phase One: Free” and “Phase Two: Paid” requirements now—custom domain, higher row caps, or store publishing—so budgets are pre-approved. Prefer platforms with importers, code or data export, and documented migration guides. If you’re curating the Best free app building sites or comparing free app development sites, prioritize transparent limits and a proven, one-click path to production features.
Conclusion
If you’re launching a simple tool, pick a platform based on publish target and free-tier reality first—then confirm the upgrade path. This guide highlights how the Best free app building sites balance easy starts with sensible paywalls, so you can validate quickly without painting yourself into a corner. Among today’s free app building sites, the differences are mostly in data limits, branding rules, and whether you can export code or self-host when it’s time to scale.
Next steps: choose one of these free app development sites, run a one-week prototype, and measure. If your test sticks, upgrade for a custom domain or store publishing—no rebuild required. By mapping your job-to-be-done to the tool’s strengths and known limits, you’ll ship a working solution faster and keep your long-term options open.
Écrit par
Kimmy
Publié le
Sep 1, 2025
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