# CristCDL.com Practice Test CDL vs CDL School Bus Exam Prep

The clearest difference is in-app purchases: CristCDL.com Practice Test CDL at none against CDL School Bus Exam Prep's 4. CDL School Bus Exam Prep's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 5 months). On price and device support there is nothing between them.

Both are free to download. CDL School Bus Exam Prep sells 4 in-app purchases, starting at $4.99 per 7 days. CristCDL.com Practice Test CDL asks for nothing beyond the download.

CristCDL.com Practice Test CDL ships an update every 5 months, CDL School Bus Exam Prep every 2 weeks. The most recent releases landed on September 26, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | CristCDL.com Practice Test CDL | CDL School Bus Exam Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.7 (123 ratings)](https://appshunter.io/ios/app/cristcdlcom-practice-test-cdl/id6738142291/reviews)** | — |
| Number of ratings | **123** | — |
| Positive reviews | 15.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 8 MB | 24 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [William Crist](https://appshunter.io/developer/1779566537) | [fly sky pty ltd](https://appshunter.io/developer/1838696534) |

## What reviewers say

### CristCDL.com Practice Test CDL

[App page](https://appshunter.io/ios/app/cristcdlcom-practice-test-cdl/id6738142291)

Prepare for your Commercial Driver's License (CDL) exams with state-specific practice tests. Access a comprehensive question bank, including specialized endorsements, and receive immediate feedback with explanations for each answer. Download your state manual for further study.

**Highlights:** State-specific practice tests, General Knowledge tests, Endorsement tests (Air Brakes, Tanker, etc.), Pre-Trip Inspection tests and videos, Immediate answer feedback with explanations, Downloadable state CDL manuals

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

**In-app purchases:** none


### CDL School Bus Exam Prep

[App page](https://appshunter.io/ios/app/cdl-school-bus-exam-prep/id6776221002)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CDL School Bus Endorsement Ful | $4.99 | per 7 days |
| CDL School Bus Endorsement Ful | $12.99 | per month |
| Unlock Full Question Bank | $4.99 | one-time |
| CDL School Bus Endorsement Ful | $39.99 | one-time |


## Frequently asked questions

### Is CristCDL.com Practice Test CDL free?

CristCDL.com Practice Test CDL is free to download, with no in-app purchases.

### Is CDL School Bus Exam Prep free?

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

### Do CristCDL.com Practice Test CDL or CDL School Bus Exam Prep have ads?

CristCDL.com Practice Test CDL shows ads; CDL School Bus Exam Prep does not.

### Which is updated more often, CristCDL.com Practice Test CDL or CDL School Bus Exam Prep?

CristCDL.com Practice Test CDL ships an update every 5 months, and CDL School Bus Exam Prep every 2 weeks. Most recently, CristCDL.com Practice Test CDL was updated on September 26, 2026 and CDL School Bus Exam Prep on September 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*