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Best free PDF scanner apps for Android
Compare no-account document scanners, offline OCR, privacy, and export limits.
Best free step counter apps for Android
Find simple pedometer apps that track daily steps without account setup.
Best free home workout apps with no equipment
Compare free bodyweight workout apps for training at home without gear.
How to scan documents with PDF Scanner
A practical walkthrough for turning paper documents into clean PDFs on Android.
PDF Scanner vs Adobe Scan
See how a no-account scanner compares with Adobe Scan for everyday PDFs.
What is OCR?
Learn how optical character recognition turns scanned images into searchable text.
Scan documents, convert photo to PDF, extract text with OCR - all offline.
Build muscle & burn fat with guided home workouts. No gym needed.
Scan NFC cards, read EMV data & validate card numbers with IBAN checker.
Try on a new hairstyle or hair color in seconds with AI-powered previews that look natural on your own photo. Hair Cut - Color Changer lets you test short cuts, long styles, bangs, curls, and bold shades before you book a salon visit or make a big change. ✂️ AI hairstyle try-on Upload a selfie and preview realistic haircut ideas instantly. The app maps your hairline, blends styles to your face shape, and helps you compare different looks without guesswork. 🎨 Hair color changer Switch between blonde, brunette, black, red, copper, pastel, and vivid fashion colors in one tap. Adjust tone and intensity to see which shade suits your skin tone and lighting best. 📱 Fast before-you-dye decisions Use it as a hairstyle simulator before a haircut, color treatment, wig purchase, or content shoot. Save multiple versions and compare styles side by side before committing. ✨ Built for quick experiments No design skills needed. Just upload, test styles, save your favorites, and share them with friends or your stylist for feedback. Hair Cut - Color Changer is a simple AI hairstyle try-on and hair color preview app for anyone who wants to explore new looks with less risk and more confidence.
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Built by one person.
iStack is an independent publisher building small, focused apps that solve real everyday problems — no bloat, no paywalls, no dark patterns. Every app in this portfolio is free to download and built with care.
45 apps published · 419K+ installs · 4.6★ avg rating
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Every app is free to download and use.
