My Collection vs StackerTools Coin and Bar Test
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
My Collection
Effortlessly catalog your comic book collection by simply taking a photo. The app automatically identifies the volume and issue number, provides a guide value, and adds it to your digital library. Manage and value your entire collection from your phone or web browser.
- Image recognition for comic identification
- Automatic volume and issue number detection
- Guide value estimation
- Digital collection management
- Web and mobile access
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HipComic's My Collection is the fastest way to organize and value your comic book collection. With just a snap of a photo from your phone or tablet, HipComic's My Collection will automatically detect the Volume and Issue Number, provide a guide value, and add your comic to your collection. Snap A Picture Of Your Comics My Collection’s exclusive image recognition technology instantly recognizes your comic. No barcodes required. Value Your Collection Manage and value your entire comic book collection in one place, both on the web and on your phone or tablet. Completely Free Enjoy full access to all features and unlimited scans at no cost. No scan limits or features are locked behind paid tiers.
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 review sentiment: StackerTools Coin and Bar Test at 89% against My Collection's 20%. StackerTools Coin and Bar Test also leads on rating (4.5 vs 2.7) and monetization model (free vs free with in-app purchases). My Collection's advantage is ratings volume (204 vs 44). On price, ads, in-app purchases 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
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 2.7. Both are backed by a comparable volume of ratings — 204 and 44 respectively. Written reviews point the same way: 20% of My Collection's written reviews are positive against 89% of StackerTools Coin and Bar Test's.
My Collection ships an update every 2 months, StackerTools Coin and Bar Test every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | My Collection | StackerTools Coin and Bar Test |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (204 ratings) | 4.5 (44 ratings) — better |
| Positive reviews | 20.0% of reviews | 88.9% of reviews — better |
| Number of ratings | 204 — better | 44 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 25 MB | 31 MB |
| Age rating | 12+ | 4+ |
| Developer | Hip eCommerce | SoundMoneyMetals |
Customer experience
My Collection
StackerTools Coin and Bar Test
Bugs and requests
My Collection
Reported bugs
4 issues- App freezes or crashes on launch
- Inability to access previously scanned collections
- Incorrect recognition of comic variants and editions
- Compatibility issues on newer devices
Requested features
4 requests- Manual entry option for comics not recognized
- Sorting and filtering options for collections
- Grading and slab support
- Trending/analytics for collection value
StackerTools Coin and Bar Test
Not enough reviews yet to summarise bugs or requests.
In-app purchases
My Collection
No in-app purchases
StackerTools Coin and Bar Test
No in-app purchases
Questions
Is My Collection free?
Is StackerTools Coin and Bar Test free?
Which has better reviews, My Collection or StackerTools Coin and Bar Test?
Do My Collection or StackerTools Coin and Bar Test have ads?
Which is updated more often, My Collection or StackerTools Coin and Bar Test?
Other comparisons
