Comparison

FAA ATP Written Test Prep vs 320 Guide

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

FAA ATP Written Test Prep

Prepare for FAA Airline Transport Pilot and Aircraft Dispatcher written exams with a comprehensive database of current questions and detailed explanations. Study actual FAA questions and ace your tests with flexible study modes and up-to-date content.

Highlights
  • Actual FAA questions
  • Up-to-date content with free updates
  • Detailed, illustrated explanations
  • Compatible with FAA ACS
  • Flexible study modes
  • Covers ATP and ADX tests
Features
Read full description

Spend less time studying and more time flying! This is the FAA Airline Transport Pilot (ATP Part 121, ATP Part 135, and Helicopter) and Aircraft Dispatcher (ADX) version of GroundSchool, our FAA knowledge (written) test preparation featuring up-to-date questions, free updates, and illustrated explanations written by a professional team of pilot examiners and instructors. GroundSchool is fully compatible with FAA ACS (Airman Certification Standards) and our editorial team is working to keep it so as ACS continues to evolve. Don't be fooled by imitators! Competing apps here in the AppStore use only the limited set of questions that the FAA publicly releases via its website - that is not enough to adequately prepare you for your test! Our GroundSchool app, on the other hand, features a much more comprehensive database (typically about 2-4 times the size of the demo FAA public one) of actual and current FAA questions that you likely can and will be asked on the actual test! This along with our detailed, professional explanations and easy to use interface are major reasons why pilots have come to trust GroundSchool. Study actual, up-to-date FAA questions and then ACE your FAA ATP written test the easy way with GroundSchool FAA Knowledge Test Preparation software by Dauntless Aviation, the trusted leader in FAA written test preparation. Features: * Actual FAA Questions Current and Valid for Right Now. As soon as you install the software, use the 'update' feature and the software will connect to our servers, grab the latest questions, images, figures, and explanation content, and you'll be good to go. * Detailed Explanations written by an experienced editorial team of examiner and instructor pilots. * All Charts and Figures Included * Several flexible study modes - fits the way you want to study! * Compatible with all FAA "ground school" classroom-based courses This ATP/ADX version of GroundSchool will prepare you for any or all of the following tests: * ATP - Airline Transport Pilot Airplane (Part 121) * ATA - Airline Transport Pilot Airplane (135) * ATH - Airline Transport Pilot Helicopter (135) * ADX - Aircraft Dispatcher * ARA - Airline Transport Pilot Airplane (135) (added rating) * ARH - Airline Transport Pilot Helicopter (135) (added rating) * Canadian Airline Transport Pilot to USA FAA Conversion With Dauntless Aviation's GroundSchool, you don't need to worry: * Our material is UP TO DATE. No matter what date is listed here in regarding the 'Release date', this date refers to the program itself only. Once you get the program on your device, use the built-in update feature and it will connect to our servers and download the latest and greatest version of the test prep content and our explanations that we have available. To learn more about this, please visit our website. * We pride ourselves on the quality of our explanations. This is not some idle boast - our explanations are more detailed and more illustrated than that of ANY other FAA knowledge test provider, period. * Tens of thousands of people have used our products to prepare for their FAA knowledge tests. Ours is a system that works. ATP 121 or 135? Some airplane pilots are not sure whether they should take the Part 121 or the Part 135 tests. In short, from the FAA's perspective, it doesn't matter - study for the one that is most interesting to you and perhaps the one that you envision as most relevant to your future career. for a more detailed description of this, please see our website. Remember, this software allows you to study both 121 and 135 and jump between them (and the other ATP tests) as you'd like with no restrictions. Good luck on your test!

About

320 Guide

This unofficial training tool simplifies complex aircraft systems with clear explanations and detailed 3D visuals. Designed by experienced instructors, it helps pilots prepare for type ratings, upgrades, and recurrent training.

Highlights
  • Clear, concise system explanations
  • Detailed 3D cutaways and animations
  • Targeted training for pilots
  • Expert insights from instructors
  • Visual learning beyond manuals
Features
Read full description

Unlock the A320’s complexities with this powerful, unofficial training tool. Created by experienced A320 instructors, this app transforms intricate systems into clear, practical knowledge. Whether you’re preparing for your initial type rating, command upgrade, or recurrent training, this app is designed to sharpen your understanding and boost your confidence. Features: • Clear, Concise Explanations: Complex A320 systems broken down into simple, digestible concepts. • Unmatched Visual Learning: Go beyond flat diagrams—experience detailed 3D cutaways and animations that reveal how systems truly work, giving you a depth of understanding manuals can’t provide. • Targeted Training: Tailored for pilots pursuing their type rating, upgrade, or recurrent training. • Expert Insight: Learn from instructors with thousands of hours of A320 flight time and instructional experience. Leverage nearly two decades of real-world A320 expertise. See the aircraft like never before. Master the systems, master your career. Disclaimer: This app is not affiliated with or endorsed by the aircraft manufacturer. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

FAA ATP Written Test Prep4 screens
320 Guide4 screens

Verdict

The call

The clearest difference is price: 320 Guide at Free against FAA ATP Written Test Prep's $79.99. 320 Guide also leads on review sentiment (100% vs 74%). FAA ATP Written Test Prep's advantage is iOS requirement (9.0 vs 14.0.0). On rating, ratings volume, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

320 Guide is free to download; FAA ATP Written Test Prep costs $79.99 up front. FAA ATP Written Test Prep sells 1 one-off in-app purchase and 320 Guide sells 8 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for FAA ATP Written Test Prep against 4.6 for 320 Guide. Both are backed by a comparable volume of ratings — 19 and 44 respectively. Written reviews are what separate them: 74% of FAA ATP Written Test Prep's written reviews are positive against 100% of 320 Guide's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 3, 2026 and October 17, 2026 respectively.

Scorecard3 real differences · 7 level
FAA ATP Written Test Prep versus 320 Guide: the parameters behind the verdict, then further details
ParameterFAA ATP Written Test Prep320 Guide
Price$79.99Free — better
Rating4.5 (19 ratings)4.6 (44 ratings) — better
Positive reviews73.9% of reviews100.0% of reviews — better
Number of ratings1944 — better
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better14.0.0
Further details — not scored
Size705 MB54 MB
Age rating4+4+
DeveloperDauntless SoftwareFluge, LLC

Customer experience

FAA ATP Written Test Prep

All ratings19 ratings
Positive89.5%
Neutral0.0%
Negative10.5%
Written reviews46 reviews
Positive73.9%
Neutral4.3%
Negative21.7%

320 Guide

All ratings44 ratings
Positive88.6%
Neutral4.5%
Negative6.8%
Written reviews15 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

FAA ATP Written Test Prep

One-time1
  • Audio Review$18.99
8 purchases

320 Guide

Subscriptions6
  • Premium Access$9.991 Month
  • Premium Access$12.993 Months
  • Type Rating Access$29.996 Months
Show 3 more
  • A320 Premium Yearly$29.991 Year
  • Premium Access$39.991 Year
  • A320 Premium Yearly$39.991 Year
One-time2
  • Premium Discount$39.99
  • Premium Access$79.99

Questions

Is FAA ATP Written Test Prep free?
FAA ATP Written Test Prep costs $79.99, and also offers in-app purchases.
Is 320 Guide free?
320 Guide is free to download, with in-app purchases available.
Which has better reviews, FAA ATP Written Test Prep or 320 Guide?
320 Guide is rated higher. FAA ATP Written Test Prep averages 4.5 out of 5 from 19 ratings, while 320 Guide averages 4.6 from 44 ratings.
Do FAA ATP Written Test Prep or 320 Guide have ads?
Neither FAA ATP Written Test Prep nor 320 Guide shows ads.
Which is updated more often, FAA ATP Written Test Prep or 320 Guide?
FAA ATP Written Test Prep ships an update monthly, and 320 Guide monthly. Most recently, FAA ATP Written Test Prep was updated on October 3, 2026 and 320 Guide on October 17, 2026.

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