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AI App Builders Comparison

a0.dev vs. Caspio

At a glance

At a glance

a0.dev

Best for

Best for founders who want to ship a native mobile app to the App Store from a prompt.

  • Freelancers
  • Small and mid-sized

Caspio

Best for

Best for regulated organisations building database applications and portals where HIPAA, SOC 2 or GDPR compliance has to be certified.

  • Small and mid-sized
  • Enterprise

Cataleo does not name a winner. Both statements come from the vendors themselves.

Full Comparison

Criterion a0.dev Caspio
Starting price Not stated From $270 / month Team plan billed annually; $300 on monthly billing. Business is $540 annually or $600 monthly, and a separate HIPAA/Compliance Edition is $500 a month on a one-year term. All plans include unlimited app users.
Free trial Not stated Free trial with access to core features, no upfront cost
Output Native iOS and Android apps (React Native), plus web Online database applications, deployed standalone or embedded
API Yes Yes, a REST API with webhooks and an MCP server
Hosting Not stated Caspio-hosted on AWS, with data residency in the US, Canada, the EU, UK, Australia and South America
What it generates Native mobile apps for iOS and Android (plus web), from a prompt Online database applications generated from a description by the Caspi AI builder, then edited in the Flex drag-and-drop builder; automations cover scheduled tasks and triggered actions
Stack and frameworks React Native A SQL Server data core with role and record-level security, encryption and audit trails; apps are configured rather than written in a framework
Auth and database Managed backend with a choice of Convex or Supabase for the database, plus built-in push notifications SQL Server with user directories and SAML single sign-on; record-level security controls which rows a given user sees
Hosting and deploy One-click publishing to the App Store and Google Play (IPA/APK), with a web preview Caspio-hosted on AWS; apps deploy standalone or embed as components in a website, intranet or customer portal, with data residency across six regions
Payments Built-in monetization: subscriptions and one-time purchases via the App Store Yes, real-time payments inside a generated app through Stripe and PayPal, in the Bridge framework; the feature is listed on the Business and Enterprise plans and not on Team
Access to the code Projects are built on Expo and edited by the agent inside a0's own workspace. The documentation covers runtime and Expo SDK upgrades, over-the-air updates and store publishing, and documents no source-code download, GitHub sync or local development Apps run on the platform; access to the data is through a documented REST API, webhooks and an MCP server rather than an exportable codebase
MCP-ready No stated Yes
Deployment Cloud (SaaS), Browser-based Cloud (SaaS), Browser-based
Support Community forum more entries Email helpdesk, Phone, Chat, Community forum
Onboarding Documentation and knowledge base more entries Documentation and knowledge base, Video tutorials, Guided onboarding, Personal consulting
Company size Freelancers, Small and mid-sized Small and mid-sized, Enterprise
Integrations Convex, Supabase, App Store Connect, Google Play, Firebase Cloud Messaging more entries Zapier, Make, n8n, Keragon, Stripe, PayPal

Compare more tools

Row where the values differ The small markers point at the lower number, the longer list or the stated feature. They describe the data, they are not a verdict.

The short version

Key Differences

  • Company size a0.dev Freelancers, Small and mid-sized Caspio Small and mid-sized, Enterprise
  • Support a0.dev Community forum Caspio Email helpdesk, Phone, Chat, Community forum
  • MCP-ready a0.dev No Caspio Yes
  • Output a0.dev Native iOS and Android apps (React Native), plus web Caspio Online database applications, deployed standalone or embedded
  • API a0.dev Yes Caspio Yes, a REST API with webhooks and an MCP server

Every line is one datapoint from the table above, picked automatically. Nothing here is written text.

The trade-offs

Strengths and Limitations

a0.dev

Strengths

  • Generates a full React Native app and publishes it to the App Store and Google Play
  • Built-in monetization with subscriptions and one-time purchases
  • Convex backend and push notifications wired in

Limitations

  • Primarily a mobile app builder: it generates native iOS and Android apps, with web as a secondary target
  • Output is React Native on Expo, so you work within that stack rather than a framework of your choice

Caspio

Strengths

  • HIPAA, SOC 2 Type II and GDPR certified annually by independent audit, not self-attested
  • Unlimited app users on every plan, so cost does not grow with the audience
  • Phone, live chat and ticketing, staffed by in-house support engineers rather than outsourced

Limitations

  • Entry pricing starts at $270 a month, well above most tools in this category
  • Apps live on the platform rather than as an exportable codebase
  • Builder seats are capped on the Team plan at five app authors

Plans

Pricing

Caspio

  • Team $270 Per month billed annually ($300 monthly). 5 app authors, 250K data records, unlimited app users.
  • Business $540 Per month billed annually ($600 monthly). Unlimited app authors, 1M data records.
  • HIPAA / Compliance Edition $500 Per month on a one-year term, for workloads under a signed Business Associate Agreement.
  • Enterprise Custom Quoted by the vendor, for full governance, security and guaranteed performance.
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What users say

Review Scores · opens after launch

a0.dev

Ease of use
Not rated yet
User interface
Not rated yet
Onboarding
Not rated yet
Support and service
Not rated yet
Value for money
Not rated yet
Features
Not rated yet

No reviews yet. Be the first to review this tool. Every review is checked for fairness before it appears, and the vendor cannot have one removed.

Caspio

Ease of use
Not rated yet
User interface
Not rated yet
Onboarding
Not rated yet
Support and service
Not rated yet
Value for money
Not rated yet
Features
Not rated yet

No reviews yet. Be the first to review this tool. Every review is checked for fairness before it appears, and the vendor cannot have one removed.

Where this comes from

Where this comes from

a0.dev https://a0.dev · checked against the official source on 2026-09-02

Caspio https://www.caspio.com · no check date recorded yet

This table lists factual criteria taken from information the vendors publish themselves. For how we put it together, see the methodology.