TRIGOMETRIC vs Crown Currency Auctions
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Crown Currency Auctions
Participate in live auctions for world banknotes from your mobile device. Preview upcoming lots, receive push notifications for items of interest, and track your bidding history. Engage in sales conveniently while on the go.
- Live auction bidding
- Preview upcoming lots
- Push notifications
- Track bidding history
- Quick registration
- Mobile access
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Crown Currency Auctions, located in the Netherlands, hosts regular sales of world banknotes. With the Crown Currency Auctions app, you can preview, watch and bid in our auctions from your mobile / tablet device. Participate in our sales while on-the-go and gain access to our following features: Quick Registraion Following upcoming lots of interest Push notifications to ensure you engage on items of interest Track bidding history and activity Watch live auctions
Screenshots
Verdict
TRIGOMETRIC and Crown Currency Auctions are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
TRIGOMETRIC ships an update every 25 months, Crown Currency Auctions every 15 months. Both last shipped on November 3, 2026.
| Parameter | TRIGOMETRIC | Crown Currency Auctions |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 25 months | Every 15 months — better |
| 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 | 135 MB | 135 MB |
| Age rating | 9+ | 9+ |
| Developer | TRIGOMETRIC SDN BHD | Crown Currency |
In-app purchases
TRIGOMETRIC
No in-app purchases
Crown Currency Auctions
No in-app purchases
Questions
Is TRIGOMETRIC free?
Is Crown Currency Auctions free?
Do TRIGOMETRIC or Crown Currency Auctions have ads?
Which is updated more often, TRIGOMETRIC or Crown Currency Auctions?
Other comparisons
