# Stamp Identifier vs Deep Stamp

The clearest difference is in-app purchases: Deep Stamp at none against Stamp Identifier's 8. Deep Stamp also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Stamp Identifier sells 8 in-app purchases, starting at $5.99 per 7 days. Deep Stamp asks for nothing beyond the download.

Stamp Identifier ships an update fortnightly, Deep Stamp weekly. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Stamp Identifier | Deep Stamp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/stamp-identifier-selloid/id6757689484/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 26 MB | 30 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mayank Yadav](https://appshunter.io/developer/1791519481) | [Mario Schlegel](https://appshunter.io/developer/1570045196) |

## What reviewers say

### Stamp Identifier

[App page](https://appshunter.io/ios/app/stamp-identifier-selloid/id6757689484)

Instantly identify stamps from a photo, getting details on value, origin, and history. Build a digital collection, track investments, and make informed decisions about your finds. Works offline for past identifications.

**Highlights:** Instant stamp identification via photo, Estimated value range, Catalog number and classification, Country of origin and issue date, Complete identification history, AI-powered accuracy, Offline access to past identifications

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $5.99 | per 7 days |
| Weekly Pro | $5.99 | per 7 days |
| Yearly Pro | $29.99 | per year |
| Yearly Pro | $29.99 | per year |
| Yearly Pro | $34.99 | per year |
| 30-day Pass | $9.99 | one-time |
| Lifetime Pro | $59.99 | one-time |
| Lifetime Pro | $99.99 | one-time |


### Deep Stamp

[App page](https://appshunter.io/ios/app/deep-stamp/id6790727820)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stamp Identifier free?

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

### Is Deep Stamp free?

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

### Do Stamp Identifier or Deep Stamp have ads?

Neither Stamp Identifier nor Deep Stamp shows ads.

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

Stamp Identifier ships an update fortnightly, and Deep Stamp weekly. Most recently, Stamp Identifier was updated on November 2, 2026 and Deep Stamp 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.*