# Express Döviz vs İsterlin

The clearest difference is device support: İsterlin at 3 against Express Döviz's 1. İsterlin also leads on iOS requirement (12.0 vs 17.6). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Express Döviz ships an update every 3 weeks, İsterlin every 2 weeks. The most recent releases landed on September 17, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Express Döviz | İsterlin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 29 MB | 189 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [KAN YEKTAOGLU](https://appshunter.io/developer/1807827533) | [Black Point](https://appshunter.io/developer/1817222445) |

## What reviewers say

### Express Döviz

[App page](https://appshunter.io/ios/app/express-doviz/id6744463277)

**Features:** macOS Compatibility

**In-app purchases:** none


### İsterlin

[App page](https://appshunter.io/ios/app/isterlin/id6746509209)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Express Döviz free?

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

### Is İsterlin free?

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

### Do Express Döviz or İsterlin have ads?

Neither Express Döviz nor İsterlin shows ads.

### Which is updated more often, Express Döviz or İsterlin?

Express Döviz ships an update every 3 weeks, and İsterlin every 2 weeks. Most recently, Express Döviz was updated on September 17, 2026 and İsterlin on September 11, 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.*