# Chromesthize vs Ready CDL Prep

The clearest difference is in-app purchases: Chromesthize at none against Ready CDL Prep's 3. Ready CDL Prep's advantage is update cadence (every 5 days vs every 2 months) and iOS requirement (16.4 vs 18.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Ready CDL Prep sells 3 in-app purchases, starting at $19.99 per month. Chromesthize asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Chromesthize against 5.0 for Ready CDL Prep. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Chromesthize ships an update every 2 months, Ready CDL Prep every 5 days. The most recent releases landed on October 19, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Chromesthize | Ready CDL Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/chromesthize/id6760590633/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/ready-cdl-prep-practice-test/id6800238994/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | **Free** | Freemium |
| Size | 4 MB | 50 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jeffrey Wescott](https://appshunter.io/developer/1882918265) | [Trucker Path Inc.](https://appshunter.io/developer/782709146) |

## What reviewers say

### Chromesthize

[App page](https://appshunter.io/ios/app/chromesthize/id6760590633)

This application transforms music into a dynamic visual experience by assigning unique colors to each musical note in real time. Explore a customizable, ever-changing canvas that reacts to any sound, offering a unique way to perceive audio.

**Highlights:** Real-time audio visualization, Customizable color mappings, Presets inspired by famous synesthetes, Built-in tone preview, Adjustable visual effects, Distraction-free interface

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

**In-app purchases:** none


### Ready CDL Prep

[App page](https://appshunter.io/ios/app/ready-cdl-prep-practice-test/id6800238994)

Prepare for your Commercial Driver's License (CDL) knowledge test with practice questions sourced directly from official state handbooks. This app provides detailed explanations for each answer, tracks your progress, and offers an exam simulator to gauge your readiness.

**Highlights:** State-specific practice questions, Source citation for every answer, AI-powered explanations, Readiness score estimation, Exam simulator, Offline study mode, Progress tracking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro Access | $19.99 | per month |
| Annual Pro Access | $59.99 | per year |
| Lifetime Pass | $79.99 | one-time |


## Frequently asked questions

### Is Chromesthize free?

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

### Is Ready CDL Prep free?

Ready CDL Prep is free to download, with in-app purchases available.

### Which has better reviews, Chromesthize or Ready CDL Prep?

Chromesthize and Ready CDL Prep are both rated 5.0 out of 5 on the App Store, from 2 and 3 ratings respectively.

### Do Chromesthize or Ready CDL Prep have ads?

Neither Chromesthize nor Ready CDL Prep shows ads.

### Which is updated more often, Chromesthize or Ready CDL Prep?

Chromesthize ships an update every 2 months, and Ready CDL Prep every 5 days. Most recently, Chromesthize was updated on October 19, 2026 and Ready CDL Prep on October 31, 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.*