Price comparison is free forever. Premium tracks the market for you; Pro is for exporting at a profit.
| Feature | Free ¥0/mo New here, or thinking about selling | Premium ¥980/mo Never miss the right time to buy or sell | Pro ¥1,980/mo Export sellers and trade buyers (professional use) |
|---|---|---|---|
| Cross-marketplace comparison (Rakuten, Yahoo!, eBay) | ○ | ○ | ○ |
| Deal score (below-market detection) | ○ | ○ | ○ |
| Estimated net take (fees, shipping and FX included) | ○ | ○ | ○ |
| Watchlist | Unlimited | Unlimited | Unlimited |
| Price history charts | Last 90 days | Full history | Full history |
| Price alerts (target price notifications) | In-app | In-app (email coming soon) | In-app (email coming soon) |
| Arbitrage board (cross-market spreads) | Top 10 | All rows | All rows |
| CSV export (full arbitrage board) | — | ○ | ○ |
| Batch valuation (paste your model list → sell at home or export) | — | — | ○ |
| Bulk market-data CSV (all models × all markets × up to 3 years) | — | — | ○ |
| Start for free | Get Premium | Get Pro |
We currently hold 31 days of price history (since 2026-07-14) and 22 days of market data (since 2026-07-23). "Full history" and "up to 3 years" describe the ceiling, not what exists today.
Payment is accepted by credit card (Stripe).
Prices include tax. Plan details are subject to change without notice.