TRIGOMETRIC vs NSA Auction
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.
NSA Auction
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Browse our auction catalog, bookmark your favorite and bid live on auction day.
Screenshots
Verdict
The clearest difference is update cadence: NSA Auction at every 10 days against TRIGOMETRIC's every 25 months. NSA Auction also leads on iOS requirement (13.0 vs 16.0). 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.
TRIGOMETRIC ships an update every 25 months, NSA Auction every 10 days. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.
| Parameter | TRIGOMETRIC | NSA Auction |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 25 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 135 MB | 92 MB |
| Age rating | 9+ | 17+ |
| Developer | TRIGOMETRIC SDN BHD | APTIV8 IT SOLUTIONS PTE. LTD. |
In-app purchases
TRIGOMETRIC
No in-app purchases
NSA Auction
No in-app purchases
Questions
Is TRIGOMETRIC free?
Is NSA Auction free?
Do TRIGOMETRIC or NSA Auction have ads?
Which is updated more often, TRIGOMETRIC or NSA Auction?
Other comparisons
