# Stamp Value Stamp Identifier vs ONC Practice Test

The clearest difference is ads: ONC Practice Test at none against Stamp Value Stamp Identifier's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Stamp Value Stamp Identifier sells 6 in-app purchases, starting at $4.99 per 7 days and ONC Practice Test sells 1 in-app purchase, starting at $9.00 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Stamp Value Stamp Identifier | ONC Practice Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (3.5K ratings)](https://appshunter.io/ios/app/stamp-value-stamp-identifier/id6504604156/reviews)** | — |
| Number of ratings | **3.5K** | — |
| Positive reviews | 45.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | — |
| Monetization | Free with in-app purchases | — |
| Size | 75 MB | 3 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ngoc Anh Pham Thi](https://appshunter.io/developer/1588013910) | [Ambitionz Apps](https://appshunter.io/developer/1764753535) |

## What reviewers say

### Stamp Value Stamp Identifier

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

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


### ONC Practice Test

[App page](https://appshunter.io/ios/app/onc-practice-test/id6752501690)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ONC Practice Test | $9.00 | per month |


## Frequently asked questions

### Is Stamp Value Stamp Identifier free?

Stamp Value Stamp Identifier is free to download, with in-app purchases available.

### Is ONC Practice Test free?

ONC Practice Test is free to download, with in-app purchases available.

### Do Stamp Value Stamp Identifier or ONC Practice Test have ads?

Stamp Value Stamp Identifier shows ads; ONC Practice Test does not.

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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.*