TaiseiAuction vs TRIGOMETRIC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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!
TRIGOMETRIC
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Trigometric Sdn. Bhd., located in Kuala Lumpur, was established in 1995. The house conducts 2 large public sale a year with focus on Malaysian Banknotes & Coins, in addition with various world banknotes & coins. Our auctions feature rare selections of Malaysian Banknotes and also China and Hong kong specialty banknotes.
Screenshots
Verdict
The clearest difference is update cadence: TaiseiAuction at every 8 months against TRIGOMETRIC's every 25 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.
TaiseiAuction ships an update every 8 months, TRIGOMETRIC every 25 months. The most recent releases landed on September 10, 2026 and August 27, 2026 respectively.
| Parameter | TaiseiAuction | TRIGOMETRIC |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 8 months — better | Every 25 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 134 MB | 135 MB |
| Age rating | 9+ | 9+ |
| Developer | Taisei Auction Corporation | TRIGOMETRIC SDN BHD |
In-app purchases
TaiseiAuction
No in-app purchases
TRIGOMETRIC
No in-app purchases
Questions
Is TaiseiAuction free?
Is TRIGOMETRIC free?
Do TaiseiAuction or TRIGOMETRIC have ads?
Which is updated more often, TaiseiAuction or TRIGOMETRIC?
Other comparisons
