# Offline Compass Altimeter vs Silver Hallmark Identifier Pro

The clearest difference is in-app purchases: Offline Compass Altimeter at none against Silver Hallmark Identifier Pro's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Silver Hallmark Identifier Pro sells 2 in-app purchases, starting at $4.99 per 7 days. Offline Compass Altimeter asks for nothing beyond the download.

## The numbers

| Metric | Offline Compass Altimeter | Silver Hallmark Identifier Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 4 MB | 37 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [栋梁 刘](https://appshunter.io/developer/1888110676) | [Utku Gogen](https://appshunter.io/developer/1677858400) |

## What reviewers say

### Offline Compass Altimeter

[App page](https://appshunter.io/ios/app/offline-compass-altimeter/id6762721848)

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

**In-app purchases:** none


### Silver Hallmark Identifier Pro

[App page](https://appshunter.io/ios/app/silver-hallmark-identifier-pro/id6794490373)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Silver Hallmark Identifier Weekly | $4.99 | per 7 days |
| Silver Hallmark Identifier Yearly | $24.99 | per year |


## Frequently asked questions

### Is Offline Compass Altimeter free?

Offline Compass Altimeter is free to download, with no in-app purchases.

### Is Silver Hallmark Identifier Pro free?

Silver Hallmark Identifier Pro is free to download, with in-app purchases available.

### Do Offline Compass Altimeter or Silver Hallmark Identifier Pro have ads?

Neither Offline Compass Altimeter nor Silver Hallmark Identifier Pro shows ads.

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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.*