# Safe Keeper vs Stamp Identifier

The clearest difference is in-app purchases: Safe Keeper at none against Stamp Identifier's 2. Safe Keeper also leads on iOS requirement (14.0 vs 16.6). 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 $2.99 per 7 days. Safe Keeper asks for nothing beyond the download.

Safe Keeper ships an update every 2 weeks, Stamp Identifier weekly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Safe Keeper | Stamp Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (6 ratings)](https://appshunter.io/ios/app/stamp-identifier-stamplet/id6756788107/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | — | Freemium |
| Size | 37 MB | 51 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Giga Technology SAPI de CV](https://appshunter.io/developer/1612890237) | [VIKSVA, MB](https://appshunter.io/developer/1821126705) |

## What reviewers say

### Safe Keeper

[App page](https://appshunter.io/ios/app/safe-keeper/id1550144079)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stamp Identifier

[App page](https://appshunter.io/ios/app/stamp-identifier-stamplet/id6756788107)

Instantly identify and value postage stamps with advanced AI. Get accurate appraisals, condition assessments, and detect rare errors from a single photo. Manage your collection and track its value over time.

**Highlights:** AI-powered stamp identification, Instant valuation and price guide, Professional condition assessment and grading, Detection of rare errors and varieties, Two-sided comprehensive analysis, Stamp collection management and portfolio tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium weekly | $2.99 | per 7 days |
| Yearly subscription | $34.99 | per year |


## Frequently asked questions

### Is Safe Keeper free?

Safe Keeper 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 Safe Keeper or Stamp Identifier have ads?

Neither Safe Keeper nor Stamp Identifier shows ads.

### Which is updated more often, Safe Keeper or Stamp Identifier?

Safe Keeper ships an update every 2 weeks, and Stamp Identifier weekly. Most recently, Safe Keeper was updated on October 27, 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.*