Gravity vs ApparenceKit

A side-by-side comparison of two ways to ship a mobile app: Gravity Native (React Native + a bundled Node.js server, JavaScript end-to-end) and ApparenceKit (Flutter mobile-first, with Firebase or Supabase auto-configured by a CLI).

Last updated April 2026.

Overview

Gravity Native is a React Native SaaS boilerplate. It ships with a Node.js server, a React web client, a React Native mobile app, and an admin "Mission Control" app — a full JavaScript stack. It is a strong fit if your team lives in JavaScript end-to-end and you want a backend you control.

ApparenceKit takes a different shape. It is Flutter mobile-first: a CLI scaffolds a production-ready app and auto-configures the backend you bring (Firebase or Supabase). In-app purchases, subscriptions, push notifications and crash reporting are wired in. There is no Node.js server to run alongside it.

Both let you ship to iOS, Android and web. The decision usually comes down to three things: language preference, where you want the backend to live, and how much of the app's monetization layer you want pre-built.

Feature comparison

Comparison data as of April 2026.

Feature Gravity Native ApparenceKit
Mobile framework React Native / JavaScript Flutter / Dart
Native compilation JavaScript bridge ARM (no bridge)
Backend approach Bundled Node.js server Bring your own (Firebase / Supabase auto-setup)
Authentication Email + phone auth + social auth Firebase / Supabase Auth
In-app purchases
Subscriptions / paywalls
Push notifications
Crash reporting / analytics
CLI scaffolding apparence_cli setup
Bundled UI 16 views, 20+ components Onboarding, auth, paywall, settings, profile…
Web client included React web client + Astro template Flutter web (same codebase)
Code ownership Full Full
Pricing From $299 — includes 1 year of updates From €215 — lifetime updates

Pricing

Both products are paid licenses. Read the fine print on what comes after year one.

Gravity Native

4 tiers — all include the same core deliverables

  • Starter$299
  • Pro (popular)$399
  • Elite$599

All tiers include "1 year of updates". Renewal terms are not disclosed publicly — confirm with Gravity before committing.

ApparenceKit

One-time license — no renewal

  • Solo (1 app)€215
  • Studio (team)See pricing
  • UpdatesLifetime
  • Money-back guarantee10 days

Pay once, code is yours forever. No annual renewal.

Developer experience

How each tool feels day-to-day, from project setup to shipping updates.

Project setup

Gravity ships a full repo: Node.js server, React web client, React Native app, admin app, Astro marketing site. You provision your own infrastructure to run the server.

ApparenceKit generates a Flutter app via CLI (apparence_cli setup) and wires it to a Firebase or Supabase project you bring. No server to maintain.

Backend integration

Gravity uses its own Node.js server architecture. Auth, data, and APIs flow through code you own and run.

ApparenceKit integrates with managed backends (Firebase or Supabase) you already trust. The CLI configures auth, storage, and database wiring on first run.

Monetization

Gravity does not advertise in-app purchases or subscription support out of the box — you build that layer yourself.

ApparenceKit ships with IAP, subscriptions, paywalls, and free trial flows wired in.

Performance model

Gravity runs through React Native's JavaScript bridge — fine for most apps, but heavy UIs (dense lists, animation-rich screens, real-time data) can show overhead.

ApparenceKit ships Flutter, which compiles to native ARM code. No bridge between JS and native, so animations stay smooth at 60fps even on complex screens.

Why pick ApparenceKit?

Honest take: pick Gravity if you want a Node.js full-stack starter and your team prefers JavaScript end-to-end. Pick ApparenceKit if these things matter to you:

Native performance

Flutter compiles to native ARM. Charts, animations, and dense lists stay at 60fps without a JS bridge in the way.

Monetize on day one

In-app purchases, subscriptions, paywalls and free trials are wired in. With Gravity you build that layer yourself.

Use the backend you already trust

Firebase or Supabase configured by the CLI in one command. No Node.js server to ship, scale and maintain alongside your app.

One-time pricing

Pay once from €215 with lifetime updates. Gravity tiers ($299–$599) include "1 year of updates" — confirm renewal terms.

One language for mobile

Dart for the whole app. Hot reload is fast. Most React Native devs are productive in Flutter within a week.

Tested out of the box

Unit tests are included and the architecture is built to scale. Gravity does not advertise testing patterns publicly.

Frequently Asked Questions

Creating an app is easy.
Creating a successful app is not.

Mostly. Both ship pre-built screens, auth, and push notifications, and both publish to iOS, Android and web. The key differences: ApparenceKit is Flutter-native (no JS bridge), uses Firebase or Supabase as backend instead of a bundled Node.js server, and ships in-app purchases and subscriptions wired in.
Flutter compiles to native ARM code, which usually means smoother animations and faster startup — especially on heavy UIs (charts, animated lists, real-time data). React Native runs through a JavaScript bridge. If your team is JavaScript end-to-end, Gravity may feel more natural; if UI performance matters, Flutter is a strong fit.
No, and that is a deliberate choice. ApparenceKit auto-configures Firebase or Supabase via CLI so you skip the boilerplate without locking you into a backend the template maintains. You own the backend account, the data, and the scaling.
Gravity tiers start at $299 and include "1 year of updates" — confirm renewal terms on their pricing page. ApparenceKit is one-time from €215 with lifetime updates and no renewal.
Yes. The biggest lift is the language switch (JavaScript → Dart) and any custom backend logic in your Node.js server. Auth flows, navigation, and screens map concept-for-concept. We can help with migration guidance.
All comparison data is as of April 2026 and based on Gravity's public documentation. ApparenceKit pricing is on /pricing. If anything looks out of date, please tell us.

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