# Stamp Value Stamp Identifier vs Bangon 345

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.

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 12, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Stamp Value Stamp Identifier | Bangon 345 |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | [4.6 (3.7K ratings)](https://appshunter.io/ios/app/stamp-value-stamp-identifier/id6504604156/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/bangon-345/id6814321607/reviews)** |
| Number of ratings | **3.7K** | 3 |
| Positive reviews | 45.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | **#115** | — |
| Size | 57 MB | 1 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Ngoc Anh Pham Thi](https://appshunter.io/developer/1588013910) | [Neil Shirley](https://appshunter.io/developer/689626908) |

## What reviewers say

### Stamp Value Stamp Identifier

[App page](https://appshunter.io/ios/app/stamp-value-stamp-identifier/id6504604156)

**Currently charting:** #115 Top Grossing · Reference, #166 Top Free · Reference (US App Store)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO WEEKLY | $4.99 | per 7 days |
| PRO MONTHLY | $9.99 | per month |
| Premium Yearly Trial 7 day | $39.99 | per year |
| Premium Yearly First Month Sale | $39.99 | per year |
| Premium Yearly Trial | $39.99 | per year |
| PRO YEARLY | $39.99 | per year |

**What reviewers like**

- 🚀 Fast and accurate identification
- 👍 Intuitive and user-friendly interface
- 💡 Comprehensive stamp information
- 🔍 Impressive image recognition technology
- 🤝 Excellent community features

**What reviewers complain about**

- 🐛 Occasional crashes and compatibility issues
- 🤖 Inaccurate stamp identification in some cases
- 💸 Subscription model with high pricing
- 🤔 Excessive prompts to write reviews
- 🔄 Repetitive steps when adding stamps to collection

**Reported bugs**

- App crashes after payment
- Unable to open app after subscription
- Incorrect stamp identification (e.g., identifying US stamps as from Cambodia)

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/bangon-345/id6814321607)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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 12, 2026 and Bangon 345 on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*