# SUNPKZ vs ESUTD Transport Docs

The clearest difference is iOS requirement: SUNPKZ at 12.0 against ESUTD Transport Docs's 15.5. 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.

SUNPKZ ships an update fortnightly, ESUTD Transport Docs every 11 days. The most recent releases landed on October 10, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | SUNPKZ | ESUTD Transport Docs |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 11 days** |
| Size | 30 MB | 30 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [National Information Technologies JSC](https://appshunter.io/developer/541526187) | [Av-Software](https://appshunter.io/developer/1204096916) |

## What reviewers say

### SUNPKZ

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

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

**In-app purchases:** none


### ESUTD Transport Docs

[App page](https://appshunter.io/ios/app/esutd-transport-docs/id6785009006)

**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 ESUTD Transport Docs free?

ESUTD Transport Docs is free to download, with no in-app purchases.

### Do SUNPKZ or ESUTD Transport Docs have ads?

Neither SUNPKZ nor ESUTD Transport Docs shows ads.

### Which is updated more often, SUNPKZ or ESUTD Transport Docs?

SUNPKZ ships an update fortnightly, and ESUTD Transport Docs every 11 days. Most recently, SUNPKZ was updated on October 10, 2026 and ESUTD Transport Docs on October 18, 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.*