# PK vs TestLink 2025

The clearest difference is update cadence: TestLink 2025 at every 3 weeks against PK's every 6 months. TestLink 2025 also leads on iOS requirement (13.0 vs 17.6). 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.

PK ships an update every 6 months, TestLink 2025 every 3 weeks. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | PK | TestLink 2025 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Size | 142 MB | 11 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [City of Poughkeepsie](https://appshunter.io/developer/1769025188) | [CENTER TECHNOLOGY CORP.](https://appshunter.io/developer/1858182680) |

## What reviewers say

### PK

[App page](https://appshunter.io/ios/app/pk-connect/id6745569374)

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

**In-app purchases:** none


### TestLink 2025

[App page](https://appshunter.io/ios/app/testlink-2025/id6756169175)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PK free?

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

### Is TestLink 2025 free?

TestLink 2025 is free to download, with no in-app purchases.

### Do PK or TestLink 2025 have ads?

Neither PK nor TestLink 2025 shows ads.

### Which is updated more often, PK or TestLink 2025?

PK ships an update every 6 months, and TestLink 2025 every 3 weeks. Most recently, PK was updated on October 13, 2026 and TestLink 2025 on October 3, 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.*