Solve One ThingFastand Move On
Explore 45+ Android & iOS apps built for clear jobs like workouts, documents, utilities, creativity, and everyday phone tasks. Designed to feel useful from the first tap.
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Featured Picks
A few strong entry points into the portfolio across different categories.
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Showing 45 apps
Sweet Camera
Beauty filters & selfie cam
Photo Collage
Pic grid maker & 500+ layouts
Time Warp Scan
Warp camera & slow-motion art
Photo Vault
Calculator lock & private album
GPS Photo
Location stamp on every shot
Cut Paste Photo
Background eraser & editor
Sticker Maker
Photo & emoji stickers for WhatsApp
Forms
Google Forms manager with AI
Document Reader
Word & Docs viewer
Office Reader
PDF & document suite
PDF Scanner
Image to PDF & OCR
Signature Maker
Sign & annotate PDFs
Font Generator
Stylish text & typography
Translate
Voice & camera scan translator
Home Workout
No equipment gym & 500+ exercises
Step Counter
Pedometer & daily activity tracker
Speed Test
Download & upload checker
NFC Card Reader
EMV scanner & digital wallet
Speaker Cleaner
Water ejector & sound fix
Guitar Tuner
Chromatic pitch detector
AR Measure
Tape measure & AR ruler
Mirror
Phone mirror & flashlight
Color Picker
Color detector & identifier
GPS Speedometer
Speed & trip tracker
Screen Mirroring
Cast to TV via Miracast
Hearing Amplifier
Sound boost from a distance
Compass
GPS direction finder
Live Earth Map
Satellite GPS & world map
Watch Faces
Minimal Wear OS designs
Funky Smiles
Live wallpaper & animations
Kawaii Wallpaper
Aesthetic HD backgrounds
Birthday Cards
Maker, wishes & animated GIFs
Wedding Invitation
Card maker & designer
Neon Clock
Live wallpaper & clock widget
Edge Lighting
Live wallpaper & border glow
LED Banner
Text scroller & marquee display
Home Design 3D
Floor plan & interior designer
Voice Commands
Voice assistant & automation
AI Tanning & UV Index
Sunsafe time & SPF tips
TCG Scanner
Scan cards & track value
Hair Cut - Color Changer
AI hairstyle try-on
Math AI
Photo math solver & homework helper
Gimin - AI Photo Editor
Create polaroid-style images
Transparency: Magic Eraser
Remove background with AI
Currency Converter & Calc
Exchange conversion calculator
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Browse focused apps for workouts, files, utilities, creativity, and phone customization. Most are free to download and simple to try.
About iStack
Made to be useful on the first tap
iStack builds straightforward mobile apps for common jobs people want done quickly, from workouts and document reading to photo tools and device utilities. The goal is simple: clear value without bloated flows.