Stamp Value Stamp Identifier vs Bangon 345
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stamp Value Stamp Identifier
Instantly identify and appraise your stamps using advanced image recognition. Get detailed information on origin, issue date, denomination, and market value to enhance your collecting experience. Ideal for both new and experienced philatelists.
- Image recognition stamp identification
- Stamp appraisal and market value
- Detailed stamp information (origin, date, denomination)
- Intuitive user interface
- Educational resources for collectors
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STAMP VALUE STAMP IDENTIFIER Identify, value, and manage your stamp collection with ease. Stamp Value Stamp Identifier uses advanced AI image recognition to instantly identify stamps and provide detailed information, including country of origin, issue date, denomination, and estimated market value. Key Features: • AI Stamp Identification – Scan stamps from a photo in seconds. • Stamp Value Estimation – Discover the estimated value of individual stamps. • Market Price Comparison – Compare values with current market listings and trends. • Collection Management – Build, organize, and track your stamp collection. • Collection Valuation – See the estimated value of your entire collection. • Showcase Collections – Display your stamps in beautiful, organized showcases. • Export Data – Export your collection for backup, sharing, or record keeping. Whether you're a beginner, collector, or dealer, Stamp Value helps you make smarter collecting, buying, and selling decisions. Download Stamp Value today and take your stamp collecting experience to the next level. Subscription Information: Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Payment will be charged to your Apple ID account upon purchase confirmation. You can manage or cancel subscriptions through your Account Settings. Terms of Use: https://sites.google.com/view/stampvaluestampidentifier/terms-of-service Privacy Policy: https://sites.google.com/view/stampvaluestampidentifier/privacy-policy
Bangon 345
This construction calculator simplifies measurements with a unified keypad for imperial and metric units. It offers five specialized tools for concrete volume, stair layout, rafter calculations, and spacing, with a history of recent calculations.
- Unified keypad for imperial and metric
- Concrete volume calculation
- Stair layout tool
- Rafter calculation
- Spacing tool
- Calculation history
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Bangon is a construction calculator built for the way you measure on the job. Enter feet, inches, and sixteenths directly, or switch to metric. FIVE TOOLS, ONE KEYPAD Calc: add, subtract, multiply, and divide in feet-inch-sixteenths or metric. Volume: figure concrete in cubic yards for slabs, footings, walls, and piers. Stairs: lay out risers and treads from your total rise. Rafter: get rise, rafter length, and angle from a roof pitch. Spacing: space pickets, balusters, or joists evenly across any run. BUILT FOR THE WORK Imperial results rounded to the nearest 1/16″ History of your last 60 calculations Undo when you hit the wrong key Remembers your units and last tool ONE PRICE, NOTHING ELSE Pay once and it's yours. No subscriptions, no in-app purchases, no ads. PRIVATE BY DESIGN Bangon never connects to the internet. No accounts, no tracking, no analytics. Your history stays on your iPhone. Bangon is a calculating aid. Always check measurements before cutting or ordering, and confirm your work meets local building codes. Requires iOS 17 or later.
Screenshots
Verdict
The clearest difference is review sentiment: Bangon 345 at 100% against Stamp Value Stamp Identifier's 45%. Bangon 345 also leads on in-app purchases (none vs 6) and ads (none vs shown). Stamp Value Stamp Identifier's advantage is price (Free vs $3.99) and ratings volume (3.7K vs 3). On update cadence, device support and iOS requirement 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
Stamp Value Stamp Identifier is free to download; Bangon 345 costs $3.99 up front. Stamp Value Stamp Identifier sells 6 in-app purchases, starting at $4.99 per 7 days. Bangon 345 asks for nothing beyond the download.
Bangon 345 holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Stamp Value Stamp Identifier has 3.7K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 45% of Stamp Value Stamp Identifier's written reviews are positive against 100% of Bangon 345's.
Stamp Value Stamp Identifier ships an update weekly, Bangon 345 every 2 weeks. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.
| Parameter | Stamp Value Stamp Identifier | Bangon 345 |
|---|---|---|
| Price | Free — better | $3.99 |
| Rating | 4.6 (3.7K ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 45.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 3.7K — better | 3 |
| Update frequency | Weekly — better | Every 2 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Best chart rank | #118 — better | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 57 MB | 1 MB |
| Age rating | 4+ | 17+ |
| Developer | Ngoc Anh Pham Thi | Neil Shirley |
Customer experience
Stamp Value Stamp Identifier
Bangon 345
Bugs and requests
Stamp Value Stamp Identifier
Reported bugs
3 issues- App crashes after payment
- Unable to open app after subscription
- Incorrect stamp identification (e.g., identifying US stamps as from Cambodia)
Requested features
5 requests- Dark mode option
- Advanced stamp valuation tools
- Improved batch processing for adding multiple stamps
- More detailed historical and market data
- Enhanced community features for sharing insights
Bangon 345
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Stamp Value Stamp Identifier
- PRO WEEKLY$4.997 Days
- PRO MONTHLY$9.991 Month
- Premium Yearly Trial 7 day7 Days trial$39.991 Year
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- Premium Yearly First Month Sale1 Month trial$39.991 Year
- Premium Yearly Trial3 Days trial$39.991 Year
- PRO YEARLY$39.991 Year
Bangon 345
No in-app purchases







