# Precious Coin Tester vs UPMR Tools

The clearest difference is in-app purchases: UPMR Tools at none against Precious Coin Tester's 1. UPMR Tools also leads on rating (5.0 vs 4.5) and iOS requirement (12.0 vs 17.0). Precious Coin Tester's advantage is update cadence (fortnightly vs every 3 months) and ratings volume (536 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Precious Coin Tester sells 1 in-app purchase, starting at $2.99 per month. UPMR Tools asks for nothing beyond the download.

UPMR Tools holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Precious Coin Tester has 536 ratings behind it against 1, so its average is the more settled of the two.

Precious Coin Tester ships an update fortnightly, UPMR Tools every 3 months. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Precious Coin Tester | UPMR Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (536 ratings)](https://appshunter.io/ios/app/precious-coin-tester/id1474466880/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/upmr-tools/id6739284967/reviews)** |
| Number of ratings | **536** | 1 |
| Positive reviews | 47.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Freemium | **Free** |
| Size | 72 MB | 27 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [AUGer kit](https://appshunter.io/developer/1474466879) | [United Precious Metal Refining, Inc.](https://appshunter.io/developer/1784671872) |

## What reviewers say

### Precious Coin Tester

[App page](https://appshunter.io/ios/app/precious-coin-tester/id1474466880)

This app helps identify real gold or silver coins by analyzing their unique ring. It compares your coin's sound to a database of genuine coins, detecting fakes that might pass visual inspection. Access a large database of coins and their metal values, with options to add custom coins.

**Highlights:** Sound-based coin authenticity testing, Extensive database of gold and silver coins, Metal value estimation, Custom coin input, Save favorite coins, Sync data across devices

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all coins 1 month | $2.99 | per month |

**What reviewers like**

- ✅ Accurately detects counterfeit coins and fakes
- 💰 Saves money by preventing fraudulent purchases
- 🆓 Free version available with basic functionality
- 📱 Easy to use interface for most users
- 🎯 Works well with Pocket Pinger device

**What reviewers complain about**

- 💳 Subscription model frustrates users
- 🔐 Most coins locked behind paywall
- 🐛 Frequent network errors and crashes
- 🔍 Poor search functionality
- 📊 Inconsistent and unreliable results

**Reported bugs**

- Network error messages preventing app use
- App crashes frequently
- Search returns zero or inconsistent results
- Coin detection fails or gives wrong results
- Server downtime and connectivity issues

**Requested features**

- One-time purchase option instead of subscription
- Save frequently used coins for quick access
- Improved search with keyword table of contents
- Categorized coin database by region
- Updated coin database through 2023+


### UPMR Tools

[App page](https://appshunter.io/ios/app/upmr-tools/id6739284967)

This app provides essential tools and data for jewelry industry professionals. It includes calculators for scrap valuation, karat calculations, and conversions, along with real-time precious metal spot prices.

**Highlights:** Scrap valuation calculator, Karat calculation for casting, Unit conversions, Precious metal spot prices, Gold, Silver, Platinum, Palladium tracking

**In-app purchases:** none


## Frequently asked questions

### Is Precious Coin Tester free?

Precious Coin Tester is free to download, with in-app purchases available.

### Is UPMR Tools free?

UPMR Tools is free to download, with no in-app purchases.

### Which has better reviews, Precious Coin Tester or UPMR Tools?

UPMR Tools is rated higher. Precious Coin Tester averages 4.5 out of 5 from 536 ratings, while UPMR Tools averages 5.0 from 1 ratings.

### Do Precious Coin Tester or UPMR Tools have ads?

Neither Precious Coin Tester nor UPMR Tools shows ads.

### Which is updated more often, Precious Coin Tester or UPMR Tools?

Precious Coin Tester ships an update fortnightly, and UPMR Tools every 3 months. Most recently, Precious Coin Tester was updated on November 6, 2026 and UPMR Tools on November 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*