iOS App Store Keyword Ranking Intelligence
Previewly is a free iOS App Store ranking intelligence platform that tracks keyword positions across multiple countries.
Unlike paid ASO tools such as Sensor Tower or AppFollow — which charge hundreds of dollars per month —
Previewly provides daily ranking snapshots, breakout detection, rapid growth signals, and cross-country trend analysis at no cost.
No account is required to access the public dashboard.
Platform Stats
- Keywords tracked: updated live from real App Store data
- Countries monitored: US, Japan, Vietnam, and more
- Data refresh cycle: every 4 hours
- Cost: $0 per month — completely free
How It Works
- Choose a keyword — Browse tracked keywords like music, VPN, weather, or photo editor across US, Japan, and more.
- Track daily ranking changes — See position movements we monitor throughout the day.
- Detect breakout signals — Get alerted when an app enters the top 50 for the first time or gains 25+ positions in a single day.
- Compare cross-country trends — Analyze how the same keyword performs across US, Japan, Vietnam, and more.
- Receive Telegram alerts — Get notified instantly when an app gains 40+ positions or breaks into the top 30 for any tracked keyword.
Previewly vs. Paid ASO Tools
| Feature |
Previewly |
Sensor Tower |
AppFollow |
| Keyword ranking tracking |
✓ Free |
Paid ($$$) |
Paid ($$$) |
| Breakout detection |
✓ Free |
Paid |
Paid |
| Cross-country analysis |
✓ Free |
Paid |
Paid |
| No account required |
✓ Yes |
No |
No |