NUMA vs Monetarium Auction
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NUMA
This app helps collectors and traders of US notes by providing a reference catalog, image identification, and tools to build a personal collection. It's designed for users interested in cataloging and identifying currency.
- Browse US notes reference catalog
- Identify notes via photo
- Build personal collection
- Catalog currency
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Our new 2026 release is dedicated to US paper notes collectors. ‣ Browse Catalog - a detailed reference catalog of US notes ‣ Identify your notes - snap a picture and we’ll identify your note ‣ Manage Collection - build a personal collection of your notes ‣ NEW: Build a Wishlist - pick the notes you seek to acquire ‣ NEW: Sharing - send friends and dealers a link to your collections and/or your wish list Note: user login requires a Google account (more options coming soon). NUMA is completely free for now and we look forward to your feedback.
Monetarium Auction
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Monetarium, located in Singapore, was established in 1995. The auction house has regularly conducted auctions every year since 2008. We specialise in banknotes and coins, and we are also an authorised dealer of PMG, NGC, and PCGS grading.
Screenshots
Verdict
The clearest difference is iOS requirement: Monetarium Auction at 13.0 against NUMA's 16.0. On price, update cadence, ads and in-app purchases 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.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | NUMA | Monetarium Auction |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 69 MB | 94 MB |
| Age rating | 4+ | 17+ |
| Developer | NUMA Numismatics | APTIV8 IT SOLUTIONS PTE. LTD. |
In-app purchases
NUMA
No in-app purchases
Monetarium Auction
No in-app purchases
