# Plant Disease Identification vs CDL Prep 

The clearest difference is iOS requirement: CDL Prep  at 13.0 against Plant Disease Identification's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Plant Disease Identification sells 3 in-app purchases, starting at $3.99 per 7 days and CDL Prep  sells 4 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Plant Disease Identification ships an update weekly, CDL Prep  every 11 days. The most recent releases landed on October 1, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Plant Disease Identification | CDL Prep  |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (76 ratings)](https://appshunter.io/ios/app/cdl-prep/id6749817521/reviews)** |
| Number of ratings | — | **76** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 11 days |
| Monetization | — | Free with in-app purchases |
| Size | 148 MB | 129 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Faravaree lab](https://appshunter.io/developer/1732439357) | [KAHA INNOVATION COMPANY LIMITED](https://appshunter.io/developer/1807437678) |

## What reviewers say

### Plant Disease Identification

[App page](https://appshunter.io/ios/app/plant-disease-identification/id6511238059)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Week Access | $3.99 | per 7 days |
| Premium Month Access | $4.99 | per month |
| Premium Year Access | $29.99 | per year |


### CDL Prep 

[App page](https://appshunter.io/ios/app/cdl-prep/id6749817521)

Prepare for your Commercial Driver’s License (CDL) exam with a comprehensive and user-friendly app. It offers realistic simulations, flashcards, and AI-powered assistance to help you master all 50 states' requirements. Updated for 2025, it covers all necessary subjects for commercial drivers.

**Highlights:** Real exam simulation, Flashcards for memorization, AI Coach for questions, Traffic sign scanner, Progress tracking, Detailed explanations, Updated for 2025

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $7.99 | per 7 days |
| Weekly Trial | $7.99 | per 7 days |
| Monthly Trial | $19.99 | per month |
| Monthly | $19.99 | per month |


## Frequently asked questions

### Is Plant Disease Identification free?

Plant Disease Identification is free to download, with in-app purchases available.

### Is CDL Prep  free?

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

### Do Plant Disease Identification or CDL Prep  have ads?

Neither Plant Disease Identification nor CDL Prep  shows ads.

### Which is updated more often, Plant Disease Identification or CDL Prep ?

Plant Disease Identification ships an update weekly, and CDL Prep  every 11 days. Most recently, Plant Disease Identification was updated on October 1, 2026 and CDL Prep  on October 2, 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.*