# Precious Coin Tester vs UP Switch | Data Transfer

The clearest difference is rating: Precious Coin Tester at 4.5 against UP Switch | Data Transfer's 3.0. Precious Coin Tester also leads on ratings volume (536 vs 4). UP Switch | Data Transfer's advantage is in-app purchases (none vs 1). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Precious Coin Tester sells 1 in-app purchase, starting at $2.99 per month. UP Switch | Data Transfer asks for nothing beyond the download.

Precious Coin Tester holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: Precious Coin Tester has 536 ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 48% of Precious Coin Tester's written reviews are positive against 50% of UP Switch | Data Transfer's, so the app with the better star average is not the one people write more warmly about.

Precious Coin Tester ships an update fortnightly, UP Switch | Data Transfer every 2 weeks. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Precious Coin Tester | UP Switch | Data Transfer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (536 ratings)](https://appshunter.io/ios/app/precious-coin-tester/id1474466880/reviews)** | [3.0 (4 ratings)](https://appshunter.io/ios/app/up-switch-data-transfer/id6739775961/reviews) |
| Number of ratings | **536** | 4 |
| Positive reviews | 47.5% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 72 MB | 7 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [AUGer kit](https://appshunter.io/developer/1474466879) | [Unplugged Technologies Ltd](https://appshunter.io/developer/1644037556) |

## What reviewers say

### Precious Coin Tester

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

This app helps you test the authenticity of gold and silver coins by analyzing the sound they make when pinged. It provides detailed results to distinguish genuine coins from fakes, helping you avoid costly mistakes.

**Highlights:** Test gold and silver coin contents, Detect counterfeit coins, Access large coin database, Full-text search of coin database, Customize coin parameters, High-precision results

**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+


### UP Switch | Data Transfer

[App page](https://appshunter.io/ios/app/up-switch-data-transfer/id6739775961)

Easily transfer essential data like contacts, documents, and passwords to your new UP Phone. This secure, official app ensures a stress-free setup, making your new device feel familiar from the start.

**Highlights:** Secure data transfer, Transfer contacts, Transfer documents, Transfer passwords, Step-by-step guidance, Intuitive interface

**Features:** macOS Compatibility

**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 UP Switch | Data Transfer free?

UP Switch | Data Transfer is free to download, with no in-app purchases.

### Which has better reviews, Precious Coin Tester or UP Switch | Data Transfer?

Precious Coin Tester is rated higher. Precious Coin Tester averages 4.5 out of 5 from 536 ratings, while UP Switch | Data Transfer averages 3.0 from 4 ratings.

### Do Precious Coin Tester or UP Switch | Data Transfer have ads?

Neither Precious Coin Tester nor UP Switch | Data Transfer shows ads.

### Which is updated more often, Precious Coin Tester or UP Switch | Data Transfer?

Precious Coin Tester ships an update fortnightly, and UP Switch | Data Transfer every 2 weeks. Most recently, Precious Coin Tester was updated on October 24, 2026 and UP Switch | Data Transfer on October 6, 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.*