# Stamp Analyser vs Crowncaps.Info

The clearest difference is price: Crowncaps.Info at Free against Stamp Analyser's $4.99. Crowncaps.Info also leads on review sentiment (100% vs 57%) and rating (5.0 vs 3.7). Stamp Analyser's advantage is in-app purchases (none vs 2). On ratings volume, update cadence, ads and device support there is nothing between them.

Crowncaps.Info is free to download; Stamp Analyser costs $4.99 up front. Crowncaps.Info sells 2 in-app purchases, starting at $8.99 per month. Stamp Analyser asks for nothing beyond the download.

Crowncaps.Info holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 10 and 4 respectively. Written reviews point the same way: 57% of Stamp Analyser's written reviews are positive against 100% of Crowncaps.Info's.

Stamp Analyser ships an update every 2 months, Crowncaps.Info monthly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Stamp Analyser | Crowncaps.Info |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [3.7 (10 ratings)](https://appshunter.io/ios/app/stamp-analyser/id777226676/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/crowncapsinfo/id1587475046/reviews)** |
| Number of ratings | **10** | 4 |
| Positive reviews | 57.1% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Paid | **Freemium** |
| Size | 7 MB | 20 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [rakium Inc.](https://appshunter.io/developer/525729465) | [Dmitry Dalimov](https://appshunter.io/developer/1089533113) |

## What reviewers say

### Stamp Analyser

[App page](https://appshunter.io/ios/app/stamp-analyser/id777226676)

This app digitally measures stamp perforations, frames, and margin balance to determine centering grades. It offers precise measurements for stamp analysis, with optional components for soundness and eye appeal based on established grading guides.

**Highlights:** Measures stamp perforations, Analyzes stamp frame, Calculates margin balance, Determines centering grade, Measures distance between points, Optional soundness and eye appeal grading

**Features:** Vision Pro support

**In-app purchases:** none


### Crowncaps.Info

[App page](https://appshunter.io/ios/app/crowncapsinfo/id1587475046)

Organize your crown cap collection with this app. Identify caps by country, producer, drink, and category. Discover trade partners and track your progress towards completing sets. Premium features offer advanced search and private lists.

**Highlights:** Organize crown cap collection, Identify caps by country, producer, drink, Search by category and color, Browse and complete cap sets, Find trade partners, Save advanced search filters, Create private cap lists

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (monthly) | $8.99 | per month |
| Premium (annual) | $89.99 | per year |


## Frequently asked questions

### Is Stamp Analyser free?

Stamp Analyser costs $4.99, with no in-app purchases.

### Is Crowncaps.Info free?

Crowncaps.Info is free to download, with in-app purchases available.

### Which has better reviews, Stamp Analyser or Crowncaps.Info?

Crowncaps.Info is rated higher. Stamp Analyser averages 3.7 out of 5 from 10 ratings, while Crowncaps.Info averages 5.0 from 4 ratings.

### Do Stamp Analyser or Crowncaps.Info have ads?

Neither Stamp Analyser nor Crowncaps.Info shows ads.

### Which is updated more often, Stamp Analyser or Crowncaps.Info?

Stamp Analyser ships an update every 2 months, and Crowncaps.Info monthly. Most recently, Stamp Analyser was updated on November 1, 2026 and Crowncaps.Info on November 3, 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.*