Plan comparison
Simple pricing
Start free, upgrade when you need more.
Free
For everyday savings
¥0
- 30-day price history
- Up to 3 alerts
- Current Amazon / Rakuten / Yahoo prices
- Chrome extension
Recommended
Premium
For shoppers who mean it
¥380/mo
- Full-history charts
- Unlimited alerts
- Cross-site comparison
- AI buy-timing
- Rakuten SPU effective price
- Sale-calendar reminders
| Feature | Free | Premium |
|---|---|---|
| Alert quota | Up to 3 | Unlimited |
| Price-history window | 30 days | Full history |
| Current Amazon / Rakuten / Yahoo! | ✓ | ✓ |
| Cross-site comparison | ✗ | ✓ |
| Rakuten SPU effective price | ✗ | ✓ |
| AI buy-timing verdict | ✗ | ✓ |
| Drop alerts (email / Web Push) | ✓ | ✓ |
| Sale-calendar reminders | ✗ | ✓ |