# SUNPKZ vs Birsan

The clearest difference is update cadence: Birsan at every 6 days against SUNPKZ's fortnightly. SUNPKZ's advantage is iOS requirement (12.0 vs 15.4). On price, ads, in-app purchases and device support there is nothing between them.

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

SUNPKZ ships an update fortnightly, Birsan every 6 days. The most recent releases landed on October 10, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | SUNPKZ | Birsan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 6 days** |
| Size | 30 MB | 72 MB |
| Requires iOS | **12.0** | 15.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [National Information Technologies JSC](https://appshunter.io/developer/541526187) | [PDMnet](https://appshunter.io/developer/1441127124) |

## What reviewers say

### SUNPKZ

[App page](https://appshunter.io/ios/app/sunpkz/id6468550263)

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

**In-app purchases:** none


### Birsan

[App page](https://appshunter.io/ios/app/birsan/id6737837920)

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

**In-app purchases:** none


## Frequently asked questions

### Is SUNPKZ free?

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

### Is Birsan free?

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

### Do SUNPKZ or Birsan have ads?

Neither SUNPKZ nor Birsan shows ads.

### Which is updated more often, SUNPKZ or Birsan?

SUNPKZ ships an update fortnightly, and Birsan every 6 days. Most recently, SUNPKZ was updated on October 10, 2026 and Birsan on October 19, 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.*