KEIBAY vs TaiseiAuction
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。
TaiseiAuction
Discover and bid on numismatic items from around the globe. This platform offers a wide selection of gold and silver rarities, as well as banknotes, through annual and online auctions. It's a trusted source for collectors to find or sell valuable coins.
- Global numismatic item auctions
- Gold and silver rarities
- Banknote auctions
- Annual Tokyo International Coin Convention auctions
- Online auctions
- Trusted coin dealer services
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Taisei Auction specializes in auctioning numismatic items from all around the world. Numismatists and coin collectors can find a range of gold and silver rarities as well as banknotes in our annual auction during the Tokyo International Coin Convention (TICC) or via our online auctions held at various times during the year. Taisei is a trusted coin dealer of over 50 years, having worked with various government mints around the world, including the US, UK, Australia, Austria, Canada, China, Finland, France, Israel, Mexico, Netherland, New Zealand, Poland, Portugal, Russia, Singapore, South Africa, South Korea, Spain and more. Come find the rare item you have been looking for or let us sell your items at reasonable rates via our online auction service!
Screenshots
Verdict
The clearest difference is update cadence: KEIBAY at every 3 weeks against TaiseiAuction's every 8 months. On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
KEIBAY ships an update every 3 weeks, TaiseiAuction every 8 months. The most recent releases landed on October 26, 2026 and October 6, 2026 respectively.
| Parameter | KEIBAY | TaiseiAuction |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 weeks — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.0 |
| Further details — not scored | ||
| Size | 28 MB | 134 MB |
| Age rating | 12+ | 9+ |
| Developer | WAKI SHOKAI K.K. | Taisei Auction Corporation |
In-app purchases
KEIBAY
No in-app purchases
TaiseiAuction
No in-app purchases
