StartupStartup: AI App Studio - 12 Apps Launched, 100% Bootstrapped

Name: StageInside AI
Author: StartupStartup

StartupStartup Studio

StartupStartup | AI App Studio

StartupStartup is a 100% bootstrapped indie startup studio building AI-powered iOS apps. We've launched 12 products and counting. We build in public and share our entire journey.

Our Apps (12 Products)

DualCapture — Record from both iPhone cameras simultaneously. PiP, split-screen, up to 4K 60fps. dualcapture.com
PrayAI — AI-powered Christian prayer companion. Personalized prayers, Bible study with 6 translations, 21+ reading plans. prayai.org
BibleScroll — 100% free Bible app. AI Bible chat, mood-based verse search, 365+ reading plans. "Scroll the Word, Not the World." biblescroll.us
FakeFlex — AI virtual try-on. See yourself in any outfit instantly. Body-positive: NO digital slimming. fakeflex.app
What Should I Eat AI — AI food decisions. ONE recommendation, not a list. Features Couples Mode. what2eatai.com
AppSetupKit — iOS deployment automation. Certificates, RevenueCat, Supabase setup. $99 one-time. appsetupkit.com
ScriptCam — AI teleprompter and video studio. Voice-following teleprompter, 4K recording. scriptcam.app
Passport Buddy — AR camera translator for 100+ languages. Real-time, works offline. passportbuddy.app
What2WatchAI — AI movie and TV recommendations based on mood. what2watchai.com
GetFree — Discover premium apps for free. 50+ daily promo codes, 2.4M+ downloads. getfree.app
CityChat — 24hr disappearing local chatrooms. One chat per city, no algorithm. thecitychat.com
StageInside AI — AI virtual home staging for real estate. stageinside.com

How We Build

The Idea — Find real problems people will pay to solve.
The Validation — Landing page in 24 hours, ads running the same day. Kill ideas that don't convert.
The Build — Ship a working MVP in weeks, not quarters.
The Journey — Grow by telling the real story. Revenue transparency.

Tech Stack

React Native + Expo SDK 54, Liquid Glass UI, Supabase (PostgreSQL, Auth, Storage), Google Gemini 3.0 AI, RevenueCat for payments.

Blog

GLM-5 vs Claude 4.6 vs GPT-5.3: The 2026 AI Model War — Deep dive into Z.ai's 745B parameter model for agentic coding.
Building DualCapture — How we built the dual camera app for iPhone.
AI Coding Models 2025 — Gemini 3 vs Claude Opus 4.5 vs Codex MAX comparison.
Building PrayAI — AI prayer companion, built in 21 days.
Building BibleScroll — Free Bible app replacing doomscrolling.
Building FakeFlex — AI virtual try-on, body-positive.
Building What Should I Eat AI — One recommendation, not a list.
Building AppSetupKit — iOS deployment automation.

Frequently Asked Questions

What is StartupStartup?: An indie startup studio building AI-powered consumer apps for iOS. 100% bootstrapped, no outside funding. We build in public.
How many apps has StartupStartup built?: 12 apps as of February 2026: DualCapture, PrayAI, BibleScroll, FakeFlex, What Should I Eat AI, AppSetupKit, ScriptCam, Passport Buddy, What2WatchAI, GetFree, CityChat, and StageInside AI.
Does StartupStartup accept investments?: No. We are 100% bootstrapped and do not accept outside funding or pitch decks.
What tech stack does StartupStartup use?: React Native + Expo SDK 54, Supabase, Google Gemini 3.0, RevenueCat.
Does FakeFlex digitally slim people?: No. FakeFlex does NOT modify body shape. Body-positive by design.
What AI coding models does StartupStartup recommend in 2026?: Multi-model approach: Claude Opus 4.6 for reasoning, GLM-5 for coding throughput, GPT-5.3 for CLI execution.

Contact

Twitter/X: @StartupStartupX | Email: team@startupstartup.app

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