# CDL Prep Permit Test vs CA School Bus Exam Prep

The clearest difference is update cadence: CA School Bus Exam Prep at every 3 weeks against CDL Prep Permit Test's every 4 months. CA School Bus Exam Prep also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. CDL Prep Permit Test sells 2 in-app purchases, starting at $29.99 per month and CA School Bus Exam Prep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

CDL Prep Permit Test ships an update every 4 months, CA School Bus Exam Prep every 3 weeks. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | CDL Prep Permit Test | CA School Bus Exam Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ca-school-bus-exam-prep/id6784749427/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 3 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nikhil Kumar](https://appshunter.io/developer/1783391273) | [MARIO MAURICE MARION](https://appshunter.io/developer/6784749429) |

## What reviewers say

### CDL Prep Permit Test

[App page](https://appshunter.io/ios/app/cdl-prep-permit-test/id6748701947)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CDL Pro Monthly | $29.99 | per month |
| CDL Pro Yearly | $99.99 | per year |


### CA School Bus Exam Prep

[App page](https://appshunter.io/ios/app/ca-school-bus-exam-prep/id6784749427)

Prepare for your California school bus driver exam with this comprehensive study and quiz app. It offers topic-based study, randomized quizzes, flashcards, and full practice exams to track your progress. A free demo is available, with an optional full unlock for complete access.

**Highlights:** Study by California school bus topic, Quiz Mode with randomized questions, Flashcards for quick review, Full practice exam options, Progress and accuracy tracking, Optional full unlock

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Version | $6.99 | one-time |


## Frequently asked questions

### Is CDL Prep Permit Test free?

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

### Is CA School Bus Exam Prep free?

CA School Bus Exam Prep is free to download, with in-app purchases available.

### Do CDL Prep Permit Test or CA School Bus Exam Prep have ads?

Neither CDL Prep Permit Test nor CA School Bus Exam Prep shows ads.

### Which is updated more often, CDL Prep Permit Test or CA School Bus Exam Prep?

CDL Prep Permit Test ships an update every 4 months, and CA School Bus Exam Prep every 3 weeks. Most recently, CDL Prep Permit Test was updated on October 8, 2026 and CA School Bus Exam Prep 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.*