Solo app studio
iStack apps for everyday tasks.
A portfolio of free Android and iOS apps for photos, documents, utilities, fitness, voice tools, and customization.
Categories
Find the tool by the job.
free productivity apps
AI & Photo8 appsbest free ai photo apps
Utilities19 appsbest free phone utilities
Health & Fitness5 appsfree health apps no subscription
Education4 appsfree ai learning apps
Personalization10 appsfree wallpaper and clock apps
Voice & Commands1 appsvoice command apps android
Featured shelf
Focused products with a clean store path.
Why iStack
Simple apps, polished enough to keep.
Free to start
Every app has a clear free path, fast launch, and a focused job to do.
Low friction
No mandatory accounts for core workflows, no onboarding maze, no extra noise.
Made for daily tasks
Small tools across photos, utilities, fitness, documents, voice, and personalization.
Recently updated
Fresh builds from the catalog.
Built by one independent publisher.
iStack is a focused mobile app portfolio with 52 published apps, 419K+ installs, and a 4.6 average rating.
Complete catalog
All 51 apps.
Blood Pressure Diary: BP Log
Health
Period Tracker & Cycle Diary
Health
Ontario G1 Practice Test 2026
Education
Electrician Calc & Reference
Utilities
LGV Theory Test: 4 in 1 Kit UK
Education
Teleprompter: Script for Video
Utilities
DMV Practice Test 2026 - CDL
Education
Tanning UV Index - Sun Tracker
Health
TCG Scanner: Value Tracker
Utilities
Hair Cut - Color Changer
Photography
Math AI
Education
Gimin - AI Photo Editor
Photography
Transparency: Magic Eraser
Photography
Currency Converter & Calc
Utilities
Sweet Camera
Photography
Photo Collage
Photography
Time Warp Scan
Photography
Photo Vault
Photography
GPS Photo
Photography
Cut Paste Photo
Photography
Sticker Maker
Photography
Document Reader
Productivity
Office Reader
Productivity
PDF Scanner
Productivity
Signature Maker
Productivity
Font Generator
Productivity
Translate
Productivity
Home Workout
Health
Step Counter
Health
Speed Test
Utilities
NFC Card Reader
Utilities
Speaker Cleaner
Utilities
Guitar Tuner
Utilities
AR Measure
Utilities
Mirror
Utilities
Color Picker
Utilities
GPS Speedometer
Utilities
Screen Mirroring
Utilities
Hearing Amplifier
Utilities
Compass
Utilities
Live Earth Map
Utilities
Watch Faces
Personalization
Funky Smiles
Personalization
Kawaii Wallpaper
Personalization
Birthday Cards
Personalization
Wedding Invitation
Personalization
Neon Clock
Personalization
Edge Lighting
Personalization
LED Banner
Personalization
Home Design 3D
Personalization
Voice Commands
Utilities
