Comparison

StackerTools Coin and Bar Test vs Dtecto

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

Dtecto

This app helps metal detectorists track their hunts, log finds with photos and GPS data, and identify dug items. It also features a community for sharing discoveries and advanced LiDAR maps for terrain analysis.

Highlights
  • Track hunt distance, duration, and GPS routes
  • Log finds with photos, GPS, notes, and categories
  • Color-coded find map with private spot saving
  • Community feed for sharing and interacting with detectorists
  • LiDAR terrain maps for relic hunting
  • On-the-spot identification of dug items
  • Build a searchable library of hobby finds
Features
Read full description

Dtecto is the metal detectorist's field companion. Track your hunts, share your finds, and connect with detectorists who get it. Everything the hobby needs in one app. TRACK EVERY HUNT Start a hunt when you step on site. Dtecto records your steps, distance, and duration, and with Pro, your full GPS route on a map you can study later. Your hunt routes are private, always. EVERY FIND, SEARCHABLE FOREVER Photo, GPS, notes, category. Build the permanent record of your hobby and find that silver dime from two summers ago in seconds. YOUR MAP Every find pinned, color-coded by category. Save private spots on productive ground. With Pro, see community finds on the map. READ THE LAND, FIND THE HISTORY One Layers button switches the map between Map and Satellite and stacks the overlays that matter. Public lands color-coded by managing agency (USFS, BLM, NPS, and more) with detecting rules and agency links a tap away. Rivers, streams, and lakes. Historic places from the National Register and OpenStreetMap with photos and Wikipedia summaries. Civil War, Revolutionary War, and 1812 battlefield boundaries. USGS abandoned mines across the West and Midwest. Density bubbles show the productive country from any zoom, and map search flies you to any address or coordinates. TIME-TRAVEL THE GROUND: HISTORIC MAPS (PRO) Drape century-old maps over the modern world and fade between them with an opacity slider. The full USGS Historical Topographic collection (178,000 sheets, 1879 to the 2000s) covers the entire US, plus historic surveys across France, Switzerland, Spain, Norway, and Germany, and old GLO plats for Minnesota and Iowa. Find the mill, homestead, schoolhouse, or road that isn't there anymore. Try it free with a 4-minute preview. A COMMUNITY OF DETECTORISTS ONLY Post your finds, or just share the story of the hunt with a text update, photos optional. Follow diggers whose ground produces, like and comment without the noise of a generic social network. Earn your spot on the Top Detectorists leaderboard: every public find and every like moves you up the monthly and all-time boards. Report and block tools on every post and comment keep it civil. KNOW BEFORE YOU GO A quick pre-flight strip reads the day at a glance: daylight left, current weather, and a detecting-conditions verdict from Ideal to Poor. Tap it for the full breakdown so you know whether it's worth grabbing the shovel. SEE THE GROUND LIKE NEVER BEFORE: LIDAR TERRAIN (PRO) High-resolution LiDAR hillshade reveals old roadbeds, foundations, terraces, and forgotten paths that satellite imagery can't show. Three rendering modes tuned for relic hunters. IDENTIFY WHAT YOU DUG Not sure what you pulled from the ground? Snap a photo and get a likely ID in seconds: what it is, the era, and a confidence score. Coins, buttons, relics, and jewelry, identified on the spot and saved to your library. FREE VS PRO Free includes hunt logging, your find library, the community feed, text posts, the Top Detectorists leaderboard, daily conditions, your personal find map, public lands and waterway overlays, map search, and 3 identifications per month. Dtecto Pro unlocks LiDAR terrain, historic map overlays, historic places, battlefields, and abandoned-mine overlays, GPS route maps for every hunt, community find pins, unlimited identifications, and the Pro badge. $9.99/month or $79.99/year after a 14-day free trial. Cancel anytime. Terms of Use: https://dtecto.app/terms Privacy Policy: https://dtecto.app/privacy

Screenshots

StackerTools Coin and Bar Test4 screens
Dtecto4 screens

Verdict

The call

The clearest difference is rating: Dtecto at 5.0 against StackerTools Coin and Bar Test's 4.5. Dtecto also leads on review sentiment (100% vs 89%). StackerTools Coin and Bar Test's advantage is in-app purchases (none vs 2) and ratings volume (44 vs 10). On price, update cadence, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Dtecto sells 2 in-app purchases, starting at $9.99 per month. StackerTools Coin and Bar Test asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Dtecto holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 44 and 10 respectively. Written reviews point the same way: 89% of StackerTools Coin and Bar Test's written reviews are positive against 100% of Dtecto's.

UpkeepUpdate frequency

StackerTools Coin and Bar Test ships an update every 3 weeks, Dtecto fortnightly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
StackerTools Coin and Bar Test versus Dtecto: the parameters behind the verdict, then further details
ParameterStackerTools Coin and Bar TestDtecto
PriceFreeFree
Rating4.5 (44 ratings)5.0 (10 ratings) — better
Positive reviews88.9% of reviews100.0% of reviews — better
Number of ratings44 — better10
Update frequencyEvery 3 weeksFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size31 MB173 MB
Age rating4+4+
DeveloperSoundMoneyMetalsRICARDO ANDRES MEDINA SERRA

Customer experience

StackerTools Coin and Bar Test

All ratings44 ratings
Positive86.4%
Neutral2.3%
Negative11.4%
Written reviews18 reviews
Positive88.9%
Neutral5.6%
Negative5.6%

Dtecto

All ratings10 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

StackerTools Coin and Bar Test

No in-app purchases

2 purchases

Dtecto

Subscriptions2
  • Dtecto Pro Monthly14 Days trial$9.991 Month
  • Dtecto Pro Yearly14 Days trial$79.991 Year

Questions

Is StackerTools Coin and Bar Test free?
StackerTools Coin and Bar Test is free to download, with no in-app purchases.
Is Dtecto free?
Dtecto is free to download, with in-app purchases available.
Which has better reviews, StackerTools Coin and Bar Test or Dtecto?
Dtecto is rated higher. StackerTools Coin and Bar Test averages 4.5 out of 5 from 44 ratings, while Dtecto averages 5.0 from 10 ratings.
Do StackerTools Coin and Bar Test or Dtecto have ads?
Neither StackerTools Coin and Bar Test nor Dtecto shows ads.
Which is updated more often, StackerTools Coin and Bar Test or Dtecto?
StackerTools Coin and Bar Test ships an update every 3 weeks, and Dtecto fortnightly. Most recently, StackerTools Coin and Bar Test was updated on October 25, 2026 and Dtecto on October 24, 2026.

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