# Kinetic Visual Acuity vs QUAD

The clearest difference is price: QUAD at Free against Kinetic Visual Acuity's $2.99. QUAD also leads on review sentiment (100% vs 69%) and update cadence (every 2 weeks vs every 10 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

QUAD is free to download; Kinetic Visual Acuity costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Kinetic Visual Acuity ships an update every 10 months, QUAD every 2 weeks. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Kinetic Visual Acuity | QUAD |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kinetic-visual-acuity/id315045189/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 69.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 2 MB | 49 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) | [SYNSETECH LTD](https://appshunter.io/developer/6792617372) |

## What reviewers say

### Kinetic Visual Acuity

[App page](https://appshunter.io/ios/app/kinetic-visual-acuity/id315045189)

Enhance your kinetic visual acuity by reading numbers on a rotating hex-head pillar. The app offers adjustable difficulty levels and two training modes to improve depth perception and directional tracking, beneficial for athletes.

**Highlights:** Rotating hex-head pillar exercises, Adjustable passing and rotational speeds, Dynamic orbit changes, Test Mode with fixed levels, Train Mode with selectable difficulty, Improves KVA and DVA

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

**In-app purchases:** none


### QUAD

[App page](https://appshunter.io/ios/app/quad-g-forcemeter-laptimer/id6792617370)

This app uses your phone's sensors and GPS to provide real-time lap timing, sector splits, and vehicle dynamics data like G-forces and four-wheel weight transfer. It also includes a data logger for post-drive analysis and alerts for understeer and oversteer.

**Highlights:** GPS lap and sector timing, Four-wheel load monitoring, Real-time G-G diagram, Understeer/oversteer alerts, Data logging and playback, Customizable UI themes and units

**In-app purchases:** none


## Frequently asked questions

### Is Kinetic Visual Acuity free?

Kinetic Visual Acuity costs $2.99, with no in-app purchases.

### Is QUAD free?

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

### Do Kinetic Visual Acuity or QUAD have ads?

Neither Kinetic Visual Acuity nor QUAD shows ads.

### Which is updated more often, Kinetic Visual Acuity or QUAD?

Kinetic Visual Acuity ships an update every 10 months, and QUAD every 2 weeks. Most recently, Kinetic Visual Acuity was updated on October 3, 2026 and QUAD on October 11, 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.*