# K vs PL Fest

The clearest difference is iOS requirement: K at 8.0 against PL Fest's 15.0. On price, update cadence 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.

K ships an update every 14 months, PL Fest every 28 months. The most recent releases landed on October 14, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | K | PL Fest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/k-d-test-pro-reading/id1068456746/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Every 14 months** | Every 28 months |
| Monetization | Free | — |
| Size | 57 MB | 132 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | **iPad** | — |
| Age rating | 12+ | 4+ |
| Developer | [King-Devick Test, LLC](https://appshunter.io/developer/424793545) | [Northeastern University Information Services](https://appshunter.io/developer/455790172) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-d-test-pro-reading/id1068456746)

This application facilitates the administration of a rapid eye movement test for reading assessment. It compares performance against age-related norms for individuals aged 6-14+, helping to identify potential candidates for reading intervention programs.

**Highlights:** Reads numbers from test cards, Measures speed and accuracy, Compares results to age norms, Identifies candidates for intervention, Administered in under two minutes, Validated by peer-reviewed studies

**Features:** macOS Compatibility

**In-app purchases:** none


### PL Fest

[App page](https://appshunter.io/ios/app/pl-fest/id1527313171)

**In-app purchases:** none


## Frequently asked questions

### Is K free?

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

### Is PL Fest free?

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

### Which is updated more often, K or PL Fest?

K ships an update every 14 months, and PL Fest every 28 months. Most recently, K was updated on October 14, 2026 and PL Fest 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.*