# TreadReader vs Simple Comparison Chart App

The clearest difference is ads: TreadReader at none against Simple Comparison Chart App's shown. Simple Comparison Chart App's advantage is update cadence (every 2 days vs every 5 weeks) and iOS requirement (12.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TreadReader ships an update every 5 weeks, Simple Comparison Chart App every 2 days. The most recent releases landed on June 5, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | TreadReader | Simple Comparison Chart App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/treadreader/id1528184960/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 2 days** |
| Monetization | Free | — |
| Size | 109 MB | 42 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SNAP-ON EQUIPMENT INC](https://appshunter.io/developer/1375570882) | [MINERVA K.K.](https://appshunter.io/developer/1597905460) |

## What reviewers say

### TreadReader

[App page](https://appshunter.io/ios/app/treadreader/id1528184960)

This app controls a handheld scanner to perform 3D tire tread depth scans. It guides users through single or full vehicle scans, generating PDF summary reports that highlight uneven wear due to alignment, inflation, or suspension issues.

**Highlights:** Controls TreadReader Hand Held Scanner, Single and full vehicle tire scans, 3D tread depth measurements, Identifies uneven wear causes, Generates PDF Summary Reports, App setup and configuration

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple Comparison Chart App

[App page](https://appshunter.io/ios/app/simple-comparison-chart-app/id6596784180)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TreadReader free?

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

### Is Simple Comparison Chart App free?

Simple Comparison Chart App is free to download, with no in-app purchases.

### Do TreadReader or Simple Comparison Chart App have ads?

Simple Comparison Chart App shows ads; TreadReader does not.

### Which is updated more often, TreadReader or Simple Comparison Chart App?

TreadReader ships an update every 5 weeks, and Simple Comparison Chart App every 2 days. Most recently, TreadReader was updated on June 5, 2026 and Simple Comparison Chart App on May 17, 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.*