# StackerTools Coin and Bar Test — Pocket Pinger: Gold and Silver > Sound-based counterfeit detection for gold, silver, and bullion coins and bars. (iPhone/iPad app by SoundMoneyMetals.) - Source: https://appshunter.io/ios/app/stackertools-coin-and-bar-test/id6502847897 (this page in markdown: same URL + `.md`) - Developer: [SoundMoneyMetals](https://appshunter.io/developer/1747030161) - Category: Lifestyle, Finance - Price: Free - Rating: 4.50/5 from 44 App Store ratings · 18 written reviews indexed - Age rating: 4+ - Requires: iOS 15.6 · 31 MB - Languages: American English - Released: 2025-01-28 - Data updated: 2026-10-24 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/stackertools-coin-and-bar-test/id6502847897/reviews.md ## What is StackerTools Coin and Bar Test? Counterfeit Detection: Verify Gold Coins, Silver Coins, Rounds and Bars with Sound. StackerTools is a coin and bar tester that listens to the “ping” of your precious metals. Gently tap a coin and the app compares its ring with verified genuine examples, or tests it against a physics-backed acoustic model. The app is 100% included with the Pocket Pinger. The password is in the Bonus Pack. WHAT YOU CAN TEST • Gold and silver bullion coins such as American Eagles, Maple Leafs, Krugerrands and more • Silver rounds and 1 oz silver bars • Many other items and tests available, with more coming HOW IT WORKS Pick your coin or bar from the catalog, or search for it. Tap Start and gently ping the item. See the result in seconds: PASS, OK, CAUTION, or FAIL, with tips when a retest is needed. TEST MODES • Peaks: checks the item’s key ring tones • Run: tests several pings in a row • Pro: adds ping-time checks plus size and weight • Acoustic Models: measure your items for custom tests MORE FEATURES • Bookmark Favorites to find the items you test most • Search the catalog, with “See All” keeping your search • Sync the catalog to your phone for offline testing • Get Paid: upload test data and photos, or post new items to the catalog Questions? We’re here to help: Support@StackerTools.com ## Key features - Counterfeit detection - Verify gold coins - Verify silver coins - Test bullion - Sound-based analysis - Bar and coin tester ## Is StackerTools Coin and Bar Test safe? StackerTools Coin and Bar Test appears mostly safe based on user ratings. The AppsHunter Safety Score for StackerTools Coin and Bar Test is 84 out of 100. This assessment is based on 44 user ratings, with an App Store average of 4.5 out of 5. Of 44 App Store ratings, 86.4% point to a safe experience, 2.3% suggest some concerns, and 11.4% point to a risky experience. ## Is StackerTools Coin and Bar Test legit? StackerTools Coin and Bar Test appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for StackerTools Coin and Bar Test is 65 out of 100 points across 7 verification signals from App Store and developer data. ## Recent user reviews (10 of 18) All indexed reviews: https://appshunter.io/ios/app/stackertools-coin-and-bar-test/id6502847897/reviews.md ### 5/5 — Must have for stackers *2026-10-16* Even if you buy every coin or bar from a trusted seller, you still should test every piece you at to your stack. Don’t take the chance of passing on a fake that could cost your children thousands. Get a pocket pinger and test every single coin or round. ### 1/5 — I pinged my wine glass and it passed as gold. *2026-09-06* I pinged my wine glass and it passed as gold. ### 5/5 — Great for keeping coin sellers honest *2026-05-29* Bought a new coin? Ping it to see if it’s real or not. This app lets you. Very easy & fun. Tech support is great too - answering my email within the hour. Highly recommended. ### 5/5 — Excellent Option! *2026-05-08* Excellent option for on the go or spot checking silver/gold! Cool to listen to the Eagles resonance!! ### 5/5 — Must have!!!! *2026-04-26* Pocket pinger has exceeded our expectations, being able to authenticate coins especially from eBay is a non worry anymore. Customer service is A++++, quality device (pocket pinger)and exceptional well engineered app. ### 5/5 — Wonderful Tool for Stackers *2026-03-06* I bought the “Pinger” not knowing what to expect and it has exceeded my expectations. It takes a little while to master using it but once you do it gives fast, accurate results. It is the most cost effective way I know to test coins, rounds and small bars. It also appears that they are also always working hard to improve it. I am a very satisfied customer. ### 5/5 — Game Changer *2026-02-15* This app is a game changer! It allows you to check your silver and gold coins very easily without the expense of a Sigma. Plus, it is very portable. You can put it in your pocket and take it to a coin show or your LCS to test the coins that you’re buying. 100% recommended! ### 5/5 — For enthusiasts and novices *2026-02-12* Developer/owner is passionate and cares very much about their product and user experience! ### 5/5 — 👌🏼 *2026-02-11* Just downloaded and explored the interface. The concept of acoustic testing for precious metals is really interesting, and the layout is clean and easy to navigate. Looking forward to trying it out more. ### 5/5 — Great Tool *2026-02-09* I wouldn’t want to be without this pocket pinger and the stacker tools app They work great !!!! ## Frequently asked questions about StackerTools Coin and Bar Test ### How does StackerTools App detect counterfeit coins? StackerTools App uses sound analysis to detect counterfeit precious metals. By pinging coins and bars, it analyzes the resulting sound waves to help determine authenticity. ### What types of precious metals can StackerTools App test? StackerTools App is designed to verify gold coins, silver coins, and bullion. It functions as a bar and coin tester for these valuable metals. ### Is StackerTools App free to use? Yes, StackerTools App is available for free. There are no costs associated with downloading or using its counterfeit detection features. ### What devices is StackerTools App compatible with? StackerTools App is compatible with iPhones, iPads, and iPods. It is designed for use on Apple mobile devices. ### What is the age rating for StackerTools App? StackerTools App has an age rating of 4+. This indicates it is suitable for users of all ages. ### How often is StackerTools App updated? The latest version of StackerTools App is 1.0.17, last updated on January 22, 2026. Updates aim to improve functionality and reliability. ### What do users think of StackerTools App? StackerTools App has an average rating of 4.3 stars from 19 ratings, suggesting a generally positive user sentiment regarding its functionality. ## Version history (last 5 releases) ### 1.0.22 — 2026-10-21 • Sync fixed and faster with progress shown on screen. • Post items directly to the Catalog. • Get Paid to Post items from the Get Paid section. • Bookmark Favorites to quickly find the items you test most. • Get Paid uploads: sharper photos, payment amounts shown, and Redo now re-does just that step and keeps the rest. • Search: “See All” keeps your search while you browse the catalogs. • Catalog improvements. • Camera and microphone: if access is turned off or denied, the app shows the exact steps for your phone to turn it back on. • Smoother screens, easier-to-read pop-ups, and many small improvements. ### 1.0.17 — 2026-01-22 Scoring updates, model improvements, Public Data Beta item model improvements, fast upload improvements, foundational improvements for the Catch All Model ### 1.0.16 — 2025-11-08 Improved matching quality for some items. Minor cosmetic enhancements. Corrected an issue that could cause testing to freeze or fail unexpectedly. ### 1.0.15 — 2025-10-31 Added elements for database growth, Members can now Get Paid to upload item pics directly, upload feature now includes orientation field, hidden metal composition fail beta, metal composition pass beta, peak detection improvements, other improvements ### 1.0.14 — 2025-09-10 Get Paid to Upload Pics improvements, Get Paid to Upload Pics from Test Page, Search improvements ## Apps similar to StackerTools Coin and Bar Test | App | Rating | Price | Category | | --- | --- | --- | --- | | [PCGS My Account](https://appshunter.io/ios/app/pcgs-my-account/id1349944330) | 4.3 (545) | Free | Lifestyle | | [The Numismatist](https://appshunter.io/ios/app/the-numismatist/id421841846) | 4.8 (9) | Free | Lifestyle | | [EasyStart](https://appshunter.io/ios/app/easystart/id1513065167) | 3.6 (46) | Free | Lifestyle | | [Auction Sniper](https://appshunter.io/ios/app/auction-sniper/id392335232) | 4.7 (1,661) | Free | Lifestyle | | [Dtecto: Metal Detecting](https://appshunter.io/ios/app/dtecto-metal-detecting/id6771476782) | 5.0 (10) | Free | Lifestyle | | [PSA Set Registry](https://appshunter.io/ios/app/psa-set-registry/id1218508459) | 4.8 (4,541) | Free | Lifestyle | ## Related topics [coin ping test](https://appshunter.io/ios/topics/coin-ping-test) · [silver ping test](https://appshunter.io/ios/topics/silver-ping-test) · [coin ping tester](https://appshunter.io/ios/topics/coin-ping-tester) · [silver coin ping tester](https://appshunter.io/ios/topics/silver-coin-ping-tester) · [pocket pinger coin](https://appshunter.io/ios/topics/pocket-pinger-coin) · [the pocket pinger](https://appshunter.io/ios/topics/the-pocket-pinger) · [bullion test](https://appshunter.io/ios/topics/bullion-test) · [isilver coin](https://appshunter.io/ios/topics/isilver-coin) · [tester gold](https://appshunter.io/ios/topics/tester-gold) · [sd bullion app](https://appshunter.io/ios/topics/sd-bullion-app) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-24.*