# Klirr vs Stamp Identifier

The clearest difference is in-app purchases: Klirr at none against Stamp Identifier's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Stamp Identifier sells 2 in-app purchases, starting at $9.90 per 7 days. Klirr asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Klirr | Stamp Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/stamp-identifier-value-range/id6758504782/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 4 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Albin Haglund](https://appshunter.io/developer/1793135532) | [Burak Guner](https://appshunter.io/developer/1776580422) |

## What reviewers say

### Klirr

[App page](https://appshunter.io/ios/app/klirr/id6741112210)

**In-app purchases:** none


### Stamp Identifier

[App page](https://appshunter.io/ios/app/stamp-identifier-value-range/id6758504782)

Instantly identify stamps using AI by snapping a photo. Discover their estimated market value, rarity score, and detailed analysis. Keep track of all your identified stamps in an unlimited scan history.

**Highlights:** AI-powered stamp identification, Estimated market value, Rarity score and analysis, Unlimited scan history, Supports stamps from any country/era, Fast, accurate results

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $9.90 | per 7 days |
| Yearly Premium | $49.99 | per year |


## Frequently asked questions

### Is Klirr free?

Klirr is free to download, with no in-app purchases.

### Is Stamp Identifier free?

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

### Do Klirr or Stamp Identifier have ads?

Neither Klirr nor Stamp Identifier shows ads.

### Which is updated more often, Klirr or Stamp Identifier?

Klirr ships an update every 3 weeks, and Stamp Identifier every 3 weeks. Most recently, Klirr was updated on October 25, 2026 and Stamp Identifier on October 28, 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.*