# İsterlin vs SUN DOVIZ

The clearest difference is device support: İsterlin at 3 against SUN DOVIZ's 1. İsterlin also leads on iOS requirement (15.0 vs 17.0). 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.

İsterlin ships an update fortnightly, SUN DOVIZ every 3 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | İsterlin | SUN DOVIZ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 182 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Black Point](https://appshunter.io/developer/1817222445) | [umut zorlu](https://appshunter.io/developer/1848371941) |

## What reviewers say

### İsterlin

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

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

**In-app purchases:** none


### SUN DOVIZ

[App page](https://appshunter.io/ios/app/sun-doviz/id6754461645)

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

**In-app purchases:** none


## Frequently asked questions

### Is İsterlin free?

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

### Is SUN DOVIZ free?

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

### Do İsterlin or SUN DOVIZ have ads?

Neither İsterlin nor SUN DOVIZ shows ads.

### Which is updated more often, İsterlin or SUN DOVIZ?

İsterlin ships an update fortnightly, and SUN DOVIZ every 3 weeks. Most recently, İsterlin was updated on October 30, 2026 and SUN DOVIZ on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*