Features
Write App Store metadata that ranks and converts
Marteso helps indie developers turn keyword research into focused title, subtitle, keyword field, and description updates. Get AI-assisted suggestions while keeping every character and keyword placement under control.
How it works
Build metadata around the keywords that matter
1
Select keywords
Choose target terms from your research list, rank tracker, or competitor gaps.
2
Draft fields
Write titles, subtitles, keyword fields, and descriptions with live limits.
3
Review coverage
See which high-priority terms are included, missing, or repeated.
4
Ship a test
Save variants and compare ranking movement after release.
Metadata Optimizer
Use AI assistance without losing ASO discipline
The optimizer keeps copy, keyword placement, and App Store limits visible while you iterate. It is built for the short fields that decide discoverability.
- AI-generated title and subtitle variants
- Live character counts for App Store limits
- Keyword coverage and duplication checks
- Locale-ready copy review for international stores
Metadata Editor · My Productivity App
Ready to grow?
Start for free, no credit card required.