# K vs Easy DEM

The clearest difference is price: K at Free against Easy DEM's $24.99. K also leads on iOS requirement (8.0 vs 17.6). Easy DEM's advantage is update cadence (weekly vs every 14 months). On ads, in-app purchases and device support there is nothing between them.

K is free to download; Easy DEM costs $24.99 up front. Neither carries in-app purchases, so what you see is what you pay.

K ships an update every 14 months, Easy DEM weekly. The most recent releases landed on June 26, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | K | Easy DEM |
| --- | --- | --- |
| Price | **Free** | $24.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/k-d-test-pro-reading/id1068456746/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Weekly** |
| Monetization | **Free** | Paid |
| Size | 57 MB | 5 MB |
| Requires iOS | **8.0** | 17.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 12+ | 17+ |
| Developer | [King-Devick Test LLC](https://appshunter.io/developer/424793545) | [Dokitek](https://appshunter.io/developer/1732067207) |

## 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


### Easy DEM

[App page](https://appshunter.io/ios/app/easy-dem/id6499210939)

This application assists in administering and scoring the DEM Test, designed for use with official Bernell materials. It offers patient management, test timing, and video recording capabilities for detailed analysis. Data is stored offline for enhanced privacy.

**Highlights:** Patient management, Test timing and administration, Manual test entry, Clinical diagnostic indication display, Video recording of examinations, Biometric locking (FaceID/TouchID)

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

**In-app purchases:** none


## Frequently asked questions

### Is K free?

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

### Is Easy DEM free?

Easy DEM costs $24.99, with no in-app purchases.

### Do K or Easy DEM have ads?

Neither K nor Easy DEM shows ads.

### Which is updated more often, K or Easy DEM?

K ships an update every 14 months, and Easy DEM weekly. Most recently, K was updated on June 26, 2026 and Easy DEM on September 16, 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.*