KEIBAY vs 挖煤姬
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KEIBAY
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和器競売オークションとリアルタイムで繋がる、オンラインオークションサービス「KEIBAY」の公式アプリです。 和器競売オークションは、明治工芸など主に日本の古美術を専門に扱うオークションです。 オークションの情報はもちろん、現場オークションと繋がる「KEIBAY LIVE」への参加や、オンラインのみでの特別販売を行う「KEIBAY SALE」での売買も可能です。 ぜひ「KEIBAY」でしか出会えない古美術オークションをお楽しみください。 ＊出品・購入ともに身分証明書が必要です。未成年者契約は不可となります。 ＊出品には審査があります。
挖煤姬
Discover anime merchandise, figures, K-pop photocards, and handheld games from Japan. Enjoy a simplified international shopping experience with direct shipping and multiple logistics options, including a unique customs-cleared line.
- Wide selection of hobby goods
- Direct international shipping
- Alipay one-click ordering
- Multiple logistics options
- Exclusive customs-cleared line
- 24-hour customer support
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【云逛秋叶原，超多爱好者的选择】 从动漫周边、模玩手办到韩娱小卡、掌机游戏，新品中古实时同步，您的爱好我来守护！ 【超简单海淘，支付宝一健直邮到家】 还嫌海淘太麻烦？无需外卡和转运，支付宝一键下单直邮到家。海淘真的很简单！ 【多种物流选择，独家物流低价省心】 EMS，航空，SAL，海运等国际物流按需选择，更有独家包清关物流“竹蜻蜓专线”低至40元！ 【专业服务团队，售前售后无忧体验】 专业团队24小时极速秒切，在线人工客服响应迅速，售前售后给您无忧的购物体验！
Screenshots
Verdict
The clearest difference is in-app purchases: KEIBAY at none against 挖煤姬's 5. KEIBAY also leads on ads (none vs shown). 挖煤姬's advantage is update cadence (every 3 days vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. 挖煤姬 sells 5 one-off in-app purchases. KEIBAY asks for nothing beyond the download.
KEIBAY ships an update every 3 weeks, 挖煤姬 every 3 days. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.
| Parameter | KEIBAY | 挖煤姬 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.9 (619 ratings) — better |
| Positive reviews | — | 98.4% of reviews |
| Number of ratings | — | 619 — better |
| Update frequency | Every 3 weeks | Every 3 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 28 MB | 85 MB |
| Age rating | 12+ | 4+ |
| Developer | WAKI SHOKAI K.K. | Chengdu SIG Service Technology Co., Ltd |
Bugs and requests
KEIBAY
Not enough reviews yet to summarise bugs or requests.
挖煤姬
Reported bugs
2 issues- Occasional app crashes or freezes
- Inaccurate weight and cost calculations
Requested features
4 requests- Expand supported shopping platforms
- Improve order tracking and status updates
- Offer more shipping options and lower rates
- Enhance customer service and support
In-app purchases
KEIBAY
No in-app purchases
挖煤姬
- 3 Days: 50 JPY (one-time use)$0.29
- 7 Days: 150 JPY$0.99
- 30 Days: 600 JPY$3.99
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- 90 Days: 1620 JPY (10% off)$9.99
- 180 Days: 3000 JPY (15% off)$19.99
