# Trieste | ترايستي vs بلاك ستامب | blackstamp

Trieste | ترايستي and بلاك ستامب | blackstamp are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Trieste | ترايستي | بلاك ستامب | blackstamp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Size | 58 MB | 109 MB |
| Requires iOS | 15.6 | **15.5** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Khayrat Co Ltd](https://appshunter.io/developer/1821143390) | [ORDER FOR INFORMATION TECHNOLOGY LLC](https://appshunter.io/developer/6775508061) |

## What reviewers say

### Trieste | ترايستي

[App page](https://appshunter.io/ios/app/trieste/id6807862166)

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

**In-app purchases:** none


### بلاك ستامب | blackstamp

[App page](https://appshunter.io/ios/app/blackstamp/id6808230708)

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

**In-app purchases:** none


## Frequently asked questions

### Is Trieste | ترايستي free?

Trieste | ترايستي is free to download, with no in-app purchases.

### Is بلاك ستامب | blackstamp free?

بلاك ستامب | blackstamp is free to download, with no in-app purchases.

### Do Trieste | ترايستي or بلاك ستامب | blackstamp have ads?

Neither Trieste | ترايستي nor بلاك ستامب | blackstamp 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.*