Comparison

StackerTools Coin and Bar Test vs XCHNGBL

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

StackerTools Coin and Bar Test

Detect counterfeit precious metals like gold, silver, and bullion using sound. This tool acts as a bar and coin tester, helping you verify authenticity.

Highlights
  • Counterfeit detection
  • Verify gold coins
  • Verify silver coins
  • Test bullion
  • Sound-based analysis
  • Bar and coin tester
Features
Read full description

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

About

XCHNGBL

Features
Read full description

Selling something? Trade it instead. That couch you listed. The bike in the garage. The camera you upgraded from. Plenty of people would happily trade you for it — you just haven't had a place built for that. Now you do. XCHNGBL is your local trading community, where neighbors swap items and skills directly. Trade what you have for what you want. That old guitar could become the bookshelf you need. The kayak gathering dust could turn into camping gear for your next trip. And when a trade needs balancing, you can add cash to make it fair. Here's where we fit: eBay is for selling nationwide. Marketplace and Craigslist are for selling locally. XCHNGBL is for trading locally — bringing what you have to the table, not just what's in your wallet. How it works: • List what you're offering — snap a photo, set your location, done. • Discover what neighbors near you have to trade. • Save items you want. When two people each have what the other's after, it's a match. • Propose a trade — items, skills, or a mix with cash to even things out — then meet up and make the swap. Why people love trading on XCHNGBL: • Trade-first. Get what you want using what you already have — add cash only if you want to. • Local. Real people in your area, not anonymous shippers. • A second life for your stuff. Your unused things become someone else's find, and theirs become yours. • Built for trust. Block, report, and manage your trades with tools made to keep the community safe. Whether you're moving something you'd otherwise sell, hunting for something specific, or you just love a good swap, XCHNGBL turns "I'm trying to get rid of this" into "exactly what I was looking for." Selling it? Trade it instead. Join your local trading community today.

Screenshots

StackerTools Coin and Bar Test4 screens
XCHNGBL4 screens

Verdict

The call

StackerTools Coin and Bar Test and XCHNGBL are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

StackerTools Coin and Bar Test ships an update every 2 weeks, XCHNGBL monthly. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

ScorecardNo meaningful differences
StackerTools Coin and Bar Test versus XCHNGBL: the parameters behind the verdict, then further details
ParameterStackerTools Coin and Bar TestXCHNGBL
PriceFreeFree
Rating4.5 (44 ratings) — better—
Positive reviews88.9% of reviews—
Number of ratings44 — better—
Update frequencyEvery 2 weeks — betterMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size31 MB9 MB
Age rating4+17+
DeveloperSoundMoneyMetalsXCHNGBL LLC

In-app purchases

None

StackerTools Coin and Bar Test

No in-app purchases

None

XCHNGBL

No in-app purchases

Questions

Is StackerTools Coin and Bar Test free?
StackerTools Coin and Bar Test is free to download, with no in-app purchases.
Is XCHNGBL free?
XCHNGBL is free to download, with no in-app purchases.
Do StackerTools Coin and Bar Test or XCHNGBL have ads?
Neither StackerTools Coin and Bar Test nor XCHNGBL shows ads.
Which is updated more often, StackerTools Coin and Bar Test or XCHNGBL?
StackerTools Coin and Bar Test ships an update every 2 weeks, and XCHNGBL monthly. Most recently, StackerTools Coin and Bar Test was updated on October 30, 2026 and XCHNGBL on October 25, 2026.

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