Quick answer: Our top pick is Retool, followed by Glide and Softr. All 5 are compared below on price, strengths and the key trade-off of each, so you can match one to your needs.
Below are the options that actually earn their monthly fee. This guide rounds up the 5 tools we'd actually recommend for this job, with what each does best, what it costs, and who should pick it.
Each pick was judged on the job in this guide rather than a generic scorecard, weighing results, price and ramp-up time. Pricing is taken from public plans at the time of writing.
Free plan; usage/seat-based paid tiers (Team, Business, Enterprise custom) per retool.com/pricing; free Agency Plan (Business features up to 10 users) for qualified agencies
Free plan; reported Basic ~$49-59/mo, Professional ~$139-167/mo, Business ~$269-323/mo, Enterprise custom; ~17% off annual; costs rise with app users, AI credits and add-ons
Free plan (build/test, 500 records); reported Starter ~$36/mo, Professional ~$65/mo, Team ~$160/mo (payment processing tier), Business ~$200/mo (annual billing); AI Builder added in 2026
Free plan; Cloud Scale plans from ~$35/mo (unlimited developer seats); Partner Plan for agencies (up to 20 apps); Backendless Pro (on-premise) custom
full-stack-apps
The picks, ranked
1. Retool Internal Tool Builder
Market-leading platform for building internal tools, admin panels and workflows fast by connecting databases and APIs to a library of drag-and-drop components, with strong dev controls. Picked here for how cleanly it handles internal-tools.
Why it's on this list: The market default for developers building internal tools fast on top of databases and APIs. A natural fit for engineering and ops teams (developer-leaning) building internal admin tools and dashboards.
Standout features:
Drag-and-drop component library for internal tools, admin panels and dashboards
Connects databases and APIs (Postgres, MySQL, REST, GraphQL, etc.)
Standout strength: Free plan for up to 5 users; free Agency plan for qualifying agencies.
Worth knowing: Free plan is real (5 users); also a free Agency plan with Business features for qualified agencies.
Pricing: Free plan; usage/seat-based paid tiers (Team, Business, Enterprise custom) per retool.com/pricing; free Agency Plan (Business features up to 10 users) for qualified agencies
Spreadsheet- and AI-driven no-code builder that turns Google Sheets, Excel or its own Big Tables into polished web and mobile business apps, with strong templates for internal tools and customer portals. Picked here for how cleanly it handles internal-tools.
Why it's on this list: Spreadsheet-to-app speed with AI generation, ideal for non-technical teams shipping business tools fast. Aimed squarely at non-technical operators and small businesses building internal tools and customer portals from existing spreadsheets/Airtable.
Standout features:
Drag-and-drop builder turning Google Sheets, Excel, Airtable or native Glide Tables/Big Tables into apps
Glide AI and natural-language app generation
Standout strength: AI features built into all paid tiers.
Worth knowing: No source-code export; closed platform.
Pricing: Free plan; Explorer ~$19/mo (annual) / $25/mo, Maker ~$49/mo (annual) / $60/mo, Business ~$199/mo (annual) / $249/mo (30 users, extra seats ~$5-6/mo), Enterprise custom; usage metered with overages ~$0.02/update
No-code builder for client portals, internal tools and websites on top of Airtable, Google Sheets, Xano or its own database, with permissioned user access and blocks-based design. Best suited to teams that care most about client-portals.
Why it's on this list: The fastest path to a polished, permissioned client portal on top of Airtable data. Made for agencies, consultants and ops teams building client portals and internal tools on Airtable/Google Sheets.
Standout features:
AI Co-Builder that generates working apps from prompts
Real-time two-way Airtable sync
Standout strength: Among the easiest tools to stand up a secure, permissioned client portal.
Worth knowing: Web apps / portals (responsive), not native mobile store apps.
Pricing: Free plan; reported Basic ~$49-59/mo, Professional ~$139-167/mo, Business ~$269-323/mo, Enterprise custom; ~17% off annual; costs rise with app users, AI credits and add-ons
Visual no-code builder focused on native iOS/Android and web apps from a single project, with a relational database and direct publishing to the App Store and Google Play. A strong default when native-mobile-apps is the priority.
Why it's on this list: One of the few accessible no-code tools that ships genuinely native mobile apps to both app stores. A natural fit for startups and non-developers who need a native mobile MVP on iOS and Android.
Standout features:
X-Ray performance diagnostics
Visual multi-screen canvas for native iOS/Android and web from one project
Standout strength: AI generation included on every plan.
Worth knowing: Free plan is real (500 records, web publish), but native store publishing is paid only.
Pricing: Free plan (build/test, 500 records); reported Starter ~$36/mo, Professional ~$65/mo, Team ~$160/mo (payment processing tier), Business ~$200/mo (annual billing); AI Builder added in 2026
Visual app development plus a full no-code backend (database, APIs, real-time messaging, hosting), with cloud and on-premise (Backendless Pro) options for full-stack apps. Picked here for how cleanly it handles full-stack-apps.
Why it's on this list: A complete no-code backend (DB, APIs, real-time, auth) with a self-hostable Pro edition. Aimed squarely at developers and teams needing a full-stack backend behind their app, including self-hosting.
Standout features:
Real-time database with codeless data logic
User authentication and role/permission management
Standout strength: Real-time data, messaging and codeless logic included.
Worth knowing: Self-hosting available via Backendless Pro (on-premise, no functional limits) - not free, licensed.
Pricing: Free plan; Cloud Scale plans from ~$35/mo (unlimited developer seats); Partner Plan for agencies (up to 20 apps); Backendless Pro (on-premise) custom
Work backwards from the one job you most need done. Match it to the entry whose ‘why it's on this list’ lines up, sanity-check the pricing against your budget, then shortlist two and trial them on the same real task. Whichever clears your workflow with the least friction is your pick.
FAQ
What is the best option in this list?
Retool is our default recommendation here; that said, a lower pick can be the smarter buy if its strengths map more closely to your job.
Are there free options?
Yes — Retool, Glide, Softr, Adalo and Backendless offer a free plan or tier, so you can validate fit before paying. Check each entry's pricing line above.
How were these tools chosen?
Each pick is judged on fit for the specific job in this guide — its real strengths, pricing and who it suits — using features and facts drawn from independent reviews and the vendors' own documentation, cited in Sources below.
How often is this guide updated?
We revisit pricing and rankings regularly as vendors change plans and ship features.
Sources
The features, strengths and facts cited for each pick above are drawn from these independent reviews and vendor pages: