Price comparison is free forever. Premium tracks the market for you; Pro is for exporting at a profit.
Premium
Recommended¥980/mo
Never miss the right time to buy or sell
Everything in Free, plus:
Pro
Try free for 7 days¥1,980/mo
Export sellers and trade buyers (professional use)
Includes a 7-day free trial. Cancel anytime from My Page during the trial and you won't be charged. After the trial, ¥1,980/month (tax included).
Everything in Premium, plus:
Free
¥0/mo
New here, or thinking about selling
We currently hold 76 days of price history (since 2026-07-14) and 67 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.
| 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 | Try free for 7 days Includes a 7-day free trial. Cancel anytime from My Page during the trial and you won't be charged. After the trial, ¥1,980/month (tax included). |