PASS National vs StackerTools Coin and Bar Test
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PASS National
Stay informed with the latest news, events, and critical updates from The Professional Aviation Safety Specialists. Receive push notifications and easily add events to your personal calendar. This free and powerful app keeps you connected.
- Latest news updates
- Event information
- Push notifications
- Add events to calendar
- Critical information access
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Introducing PASS National app. It is simple. It is free. It is powerful and connected. The app is the easiest way to stay up to date with The Professional Aviation Safety Specialists; get the latest news, events, and critical information. Receive push notifications. Get details, add events to your calendar, and more. Download the app today!
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.
- Counterfeit detection
- Verify gold coins
- Verify silver coins
- Test bullion
- Sound-based analysis
- Bar and coin tester
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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
Screenshots
Verdict
The clearest difference is rating: StackerTools Coin and Bar Test at 4.5 against PASS National's 3.8. StackerTools Coin and Bar Test also leads on review sentiment (89% vs 67%) and ratings volume (44 vs 4). On price, ads, in-app purchases and monetization model 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
StackerTools Coin and Bar Test holds the better App Store score, 4.5 against 3.8. That said, the two scores are not equally well evidenced: StackerTools Coin and Bar Test has 44 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 67% of PASS National's written reviews are positive against 89% of StackerTools Coin and Bar Test's.
PASS National ships an update every 5 weeks, StackerTools Coin and Bar Test every 2 weeks. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.
| Parameter | PASS National | StackerTools Coin and Bar Test |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (4 ratings) | 4.5 (44 ratings) — better |
| Positive reviews | 66.7% of reviews | 88.9% of reviews — better |
| Number of ratings | 4 | 44 — better |
| Update frequency | Every 5 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.2 | 15.6 — better |
| Further details — not scored | ||
| Size | 58 MB | 31 MB |
| Age rating | 17+ | 4+ |
| Developer | LetsAllDoGood, Inc. | SoundMoneyMetals |
Customer experience
PASS National
StackerTools Coin and Bar Test
In-app purchases
PASS National
No in-app purchases
StackerTools Coin and Bar Test
No in-app purchases
Questions
Is PASS National free?
Is StackerTools Coin and Bar Test free?
Which has better reviews, PASS National or StackerTools Coin and Bar Test?
Do PASS National or StackerTools Coin and Bar Test have ads?
Which is updated more often, PASS National or StackerTools Coin and Bar Test?
Other comparisons
