# ND CDL Prep Test vs ACE AI FLIGHT TRAINING

The clearest difference is rating: ND CDL Prep Test at 5.0 against ACE AI FLIGHT TRAINING's 4.2. ND CDL Prep Test also leads on iOS requirement (13.4 vs 16.0). ACE AI FLIGHT TRAINING's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 4 months). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. ND CDL Prep Test sells 1 one-off in-app purchase and ACE AI FLIGHT TRAINING sells 2 in-app purchases, starting at $17.99 per month. Whichever you choose, the download price is not the number that matters.

ND CDL Prep Test holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 4 and 5 respectively.

ND CDL Prep Test ships an update every 4 months, ACE AI FLIGHT TRAINING every 2 weeks. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | ND CDL Prep Test | ACE AI FLIGHT TRAINING |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/nd-cdl-prep-test/id1668788821/reviews)** | [4.2 (5 ratings)](https://appshunter.io/ios/app/ace-ai-flight-training/id6757252178/reviews) |
| Number of ratings | 4 | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 25 MB | 220 MB |
| Requires iOS | **13.4** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 9+ |
| Developer | [Altaf Mogal](https://appshunter.io/developer/1654308061) | [Agentic Learning Solutions, Inc.](https://appshunter.io/developer/1865575174) |

## What reviewers say

### ND CDL Prep Test

[App page](https://appshunter.io/ios/app/nd-cdl-prep-test/id1668788821)

Prepare for your North Dakota Commercial Driver's License exam with comprehensive study materials and practice tests. Track your progress, bookmark difficult questions, and review answers with explanations to focus your learning and improve your chances of passing.

**Highlights:** Comprehensive study topics, Practice multiple-choice questions, Progress tracking and weak question identification, Bookmark questions for later review, On-the-spot test results with scores, Review test questions with answers and explanations

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


### ACE AI FLIGHT TRAINING

[App page](https://appshunter.io/ios/app/ace-ai-flight-training/id6757252178)

Master FAA Ground School with an AI-powered instructor. Learn aviation concepts through engaging stories and simulated checkrides. Prepare for pilot knowledge tests and oral exams with expert-level instruction tailored to your pace.

**Highlights:** AI-powered flight instruction, DPE Simulation Mode for oral exams, Immersive storytelling for aviation concepts, Digestible, conversational lessons, Practice questions and exams, Whiteboard learning for complex systems, Flashcards and E6B calculator

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ace Pro Monthly Access | $17.99 | per month |
| Ace Pro Yearly Access | $119.99 | per year |


## Frequently asked questions

### Is ND CDL Prep Test free?

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

### Is ACE AI FLIGHT TRAINING free?

ACE AI FLIGHT TRAINING is free to download, with in-app purchases available.

### Which has better reviews, ND CDL Prep Test or ACE AI FLIGHT TRAINING?

ND CDL Prep Test is rated higher. ND CDL Prep Test averages 5.0 out of 5 from 4 ratings, while ACE AI FLIGHT TRAINING averages 4.2 from 5 ratings.

### Do ND CDL Prep Test or ACE AI FLIGHT TRAINING have ads?

ND CDL Prep Test shows ads; ACE AI FLIGHT TRAINING does not.

### Which is updated more often, ND CDL Prep Test or ACE AI FLIGHT TRAINING?

ND CDL Prep Test ships an update every 4 months, and ACE AI FLIGHT TRAINING every 2 weeks. Most recently, ND CDL Prep Test was updated on October 24, 2026 and ACE AI FLIGHT TRAINING on October 21, 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.*