# Visual Motor Integration vs K

The clearest difference is price: K at Free against Visual Motor Integration's $1.99. K also leads on rating (5.0 vs 4.0) and iOS requirement (8.0 vs 12.0). Visual Motor Integration's advantage is in-app purchases (none vs 1). On ratings volume, update cadence, ads and device support there is nothing between them.

K is free to download; Visual Motor Integration costs $1.99 up front. K sells 1 in-app purchase, starting at $51.99 per year. Visual Motor Integration asks for nothing beyond the download.

K holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Visual Motor Integration ships an update every 51 months, K every 32 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Visual Motor Integration | K |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/visual-motor-integration/id1103738784/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/k-d-color-contrast-sensitivity/id1530827184/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 51 months | **Every 32 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 14 MB | 64 MB |
| Requires iOS | 12.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [TOUCHSCREEN LEARNING LTD](https://appshunter.io/developer/501694854) | [King-Devick Test, LLC](https://appshunter.io/developer/424793545) |

## What reviewers say

### Visual Motor Integration

[App page](https://appshunter.io/ios/app/visual-motor-integration/id1103738784)

This app helps children develop hand-eye coordination and fine motor skills through engaging tracing activities. It focuses on precision, confidence, and fluid movement with progressive exercises covering lines, curves, mazes, and letters.

**Highlights:** Hand-eye coordination development, Fine motor skill enhancement, Playful tracing activities, Progressive exercises, Pre-writing skill building, Distraction-free learning

**Features:** macOS Compatibility

**In-app purchases:** none


### K

[App page](https://appshunter.io/ios/app/k-d-color-contrast-sensitivity/id1530827184)

This application helps clinicians monitor and track the progression of Age-Related Macular Degeneration (AMD). It can be used by patients for home screening, with results remotely monitored by clinical staff. Early detection of wet AMD is crucial for timely treatment.

**Highlights:** Monitor AMD progression, Track dry to wet AMD, Home screening tool, Remote monitoring by clinicians, Early detection of wet AMD

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription | $51.99 | per year |


## Frequently asked questions

### Is Visual Motor Integration free?

Visual Motor Integration costs $1.99, with no in-app purchases.

### Is K free?

K is free to download, with in-app purchases available.

### Which has better reviews, Visual Motor Integration or K?

K is rated higher. Visual Motor Integration averages 4.0 out of 5 from 1 ratings, while K averages 5.0 from 1 ratings.

### Do Visual Motor Integration or K have ads?

Neither Visual Motor Integration nor K shows ads.

### Which is updated more often, Visual Motor Integration or K?

Visual Motor Integration ships an update every 51 months, and K every 32 months. Most recently, Visual Motor Integration was updated on November 2, 2026 and K on November 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.*