# Kinetic Visual Acuity Lite vs ATHTRALog

The clearest difference is in-app purchases: Kinetic Visual Acuity Lite at none against ATHTRALog's 6. ATHTRALog's advantage is ads (none vs shown) and update cadence (every 5 days vs every 9 months). On price, review sentiment and iOS requirement there is nothing between them.

Both are free to download. ATHTRALog sells 6 in-app purchases, starting at $3.99 per month. Kinetic Visual Acuity Lite asks for nothing beyond the download.

Kinetic Visual Acuity Lite ships an update every 9 months, ATHTRALog every 5 days. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Kinetic Visual Acuity Lite | ATHTRALog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (69 ratings)](https://appshunter.io/ios/app/kinetic-visual-acuity-lite/id319026009/reviews)** | — |
| Number of ratings | **69** | — |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 5 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 7 MB | 121 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) | [MASANOBU SHINDOU](https://appshunter.io/developer/1861312872) |

## What reviewers say

### Kinetic Visual Acuity Lite

[App page](https://appshunter.io/ios/app/kinetic-visual-acuity-lite/id319026009)

This app helps improve kinetic visual acuity by presenting a rotating hex-head pillar with numbers to read. It offers training and test modes with varying difficulty levels and speeds. Useful for athletes, it focuses on enhancing depth perception and directional visual skills.

**Highlights:** Kinetic visual acuity training, Rotating hex-head pillar challenge, Adjustable difficulty levels, Test and Train modes, Improves depth perception, Enhances directional vision

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

**In-app purchases:** none


### ATHTRALog

[App page](https://appshunter.io/ios/app/athtralog/id6756546629)

This app quantifies training quality to maximize performance while preventing injuries. It visualizes fatigue with five key metrics and automatically assesses overtraining risk based on daily input. Offers over 23 training programs tailored to individual goals and experience levels.

**Highlights:** Quantify training quality, Visualize fatigue with 5 metrics, Automatic overtraining risk assessment, 23+ tailored training programs, Jump performance tracking, Video-based bar speed measurement

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ミドルプラン | $3.99 | per month |
| ATHTRALog 有料版 | $9.99 | per month |
| プレミアムプラス | $12.99 | per month |
| 柔術 初心者パック | $19.99 | one-time |
| 柔術 中級者パック | $29.99 | one-time |
| 柔術 上級者パック | $49.99 | one-time |


## Frequently asked questions

### Is Kinetic Visual Acuity Lite free?

Kinetic Visual Acuity Lite is free to download, with no in-app purchases.

### Is ATHTRALog free?

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

### Do Kinetic Visual Acuity Lite or ATHTRALog have ads?

Kinetic Visual Acuity Lite shows ads; ATHTRALog does not.

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

Kinetic Visual Acuity Lite ships an update every 9 months, and ATHTRALog every 5 days. Most recently, Kinetic Visual Acuity Lite was updated on October 29, 2026 and ATHTRALog on October 30, 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.*