Comparison

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.

Head to head
About

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.

Highlights
  • Image recognition stamp identification
  • Stamp appraisal and market value
  • Detailed stamp information (origin, date, denomination)
  • Intuitive user interface
  • Educational resources for collectors
Features
Read full description

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

About

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.

Highlights
  • Unified keypad for imperial and metric
  • Concrete volume calculation
  • Stair layout tool
  • Rafter calculation
  • Spacing tool
  • Calculation history
Features
Read full description

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

Stamp Value Stamp Identifier4 screens
Bangon 3454 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard8 real differences · 3 level
Stamp Value Stamp Identifier versus Bangon 345: the parameters behind the verdict, then further details
ParameterStamp Value Stamp IdentifierBangon 345
PriceFree — better$3.99
Rating4.6 (3.7K ratings)5.0 (3 ratings) — better
Positive reviews45.1% of reviews100.0% of reviews — better
Number of ratings3.7K — better3
Update frequencyWeekly — betterEvery 2 weeks
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
Best chart rank#118 — better—
DevicesiPhone, iPad — betteriPhone
Requires iOS18.017.0 — better
Further details — not scored
Size57 MB1 MB
Age rating4+17+
DeveloperNgoc Anh Pham ThiNeil Shirley

Customer experience

Stamp Value Stamp Identifier

All ratings3,621 ratings
Positive89.9%
Neutral4.7%
Negative5.3%
Written reviews142 reviews
Positive45.1%
Neutral4.9%
Negative50.0%

Bangon 345

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

6 purchases

Stamp Value Stamp Identifier

Subscriptions6
  • PRO WEEKLY$4.997 Days
  • PRO MONTHLY$9.991 Month
  • Premium Yearly Trial 7 day7 Days trial$39.991 Year
Show 3 more
  • Premium Yearly First Month Sale1 Month trial$39.991 Year
  • Premium Yearly Trial3 Days trial$39.991 Year
  • PRO YEARLY$39.991 Year
None

Bangon 345

No in-app purchases

Questions

Is Stamp Value Stamp Identifier free?
Stamp Value Stamp Identifier is free to download, with in-app purchases available.
Is Bangon 345 free?
Bangon 345 costs $3.99, with no in-app purchases.
Which has better reviews, Stamp Value Stamp Identifier or Bangon 345?
Bangon 345 is rated higher. Stamp Value Stamp Identifier averages 4.6 out of 5 from 3.7K ratings, while Bangon 345 averages 5.0 from 3 ratings.
Do Stamp Value Stamp Identifier or Bangon 345 have ads?
Stamp Value Stamp Identifier shows ads; Bangon 345 does not.
Which is updated more often, Stamp Value Stamp Identifier or Bangon 345?
Stamp Value Stamp Identifier ships an update weekly, and Bangon 345 every 2 weeks. Most recently, Stamp Value Stamp Identifier was updated on November 8, 2026 and Bangon 345 on October 31, 2026.

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