# Official CDL Test Prep: Iowa

> DOT Manual & Exam Questions

Canonical page: [https://chrome-stats.com/d/id1313483156](https://chrome-stats.com/d/id1313483156)

## Overview

- **ID:** `id1313483156`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Higher Learning Technologies
- **Category:** Education
- **Rating:** 4.50 / 5 (2,678 ratings)
- **Version:** 8.102.10743
- **Last updated:** 2022-11-17
- **First published:** 2017-12-03
- **Size:** 87 MB
- **Data as of:** 2026-09-10
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/official-cdl-test-prep-iowa/id1313483156)
- **Website:** [http://www.builtbyhlt.com](http://www.builtbyhlt.com/)
- **Privacy policy:** [http://builtbyhlt.com/Privacy](http://builtbyhlt.com/Privacy)

## Description

Official CDL Test Prep: Iowa is created in partnership with the Iowa DOT and AAMVA. It includes 600+ exam-style questions and the complete 13-chapter Iowa CDL Manual to help you study for every part of the CDL exam.

The app delivers detailed explanations, expert-developed tips, and strategies to boost your score. Subscriptions are auto-renewing and unlock all questions and the full manual for ongoing study anywhere.

## Rankings

- #35,896 — Overall
- #86 — testing

## Review summary

Reviews show the app provides substantial CDL study content and can help some users study and even pass. However, major downsides include its mismatch with real Iowa CDL tests, incomplete question coverage, frequent readability/formatting and loading issues, and recurring subscription/payments problems. Overall, it's a useful study aid but unreliable in practice.

### Pros

- Substantial CDL study content and practice questions.
- Helpful for studying; some users report passing after using it.
- Widely regarded by reviewers as a useful CDL study resource.

### Cons

- Inadequate alignment with the real CDL tests; limited and incomplete question coverage; many topics missing or outdated.
- Readability/formatting issues causing questions and answers to be cut off or unreadable; fonts and layout problems across devices.
- Frequent technical glitches and loading problems; not reliably mobile-friendly.
- Subscription and payment problems (locked content after purchase, charges after cancellation) are common.

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1313483156)