# Visual Motor Integration vs K

The clearest difference is price: K at Free against Visual Motor Integration's $1.99. K also leads on update cadence (every 3 months vs every 51 months) and ratings volume (3 vs 1). Visual Motor Integration's advantage is rating (4.0 vs 3.7) and iOS requirement (12.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

K is free to download; Visual Motor Integration costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Visual Motor Integration holds the better App Store score, 4.0 against 3.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Visual Motor Integration ships an update every 51 months, K every 3 months. The most recent releases landed on October 2, 2026 and September 23, 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)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/k-d-balance/id1389928582/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 51 months | **Every 3 months** |
| Monetization | Paid | **Free** |
| Size | 14 MB | 147 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, 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-balance/id1389928582)

This medical app helps healthcare professionals assess vestibular dysfunction by measuring balance stance metrics. It uses a device's accelerometer to objectively score balance after voice-guided exercises. Professionals can track patient progress over time.

**Highlights:** Vestibular dysfunction assessment, Measures balance stance metrics, Uses device accelerometer, Objective balance scoring, Longitudinal patient assessment, Voice-guided exercises

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

**In-app purchases:** none


## 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 no in-app purchases.

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

Visual Motor Integration is rated higher. Visual Motor Integration averages 4.0 out of 5 from 1 ratings, while K averages 3.7 from 3 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 3 months. Most recently, Visual Motor Integration was updated on October 2, 2026 and K on September 23, 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.*