Comparison

A320 CFDS Trainer Lite vs EASA Part 66 Modules Exam

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

Head to head
About

A320 CFDS Trainer Lite

Master the A320 Centralized Fault Display System with this mobile maintenance training app. Practice fault reporting, navigate menus, and access reference pages from related systems. Designed by aviation experts for professionals, it offers offline functionality and an ad-free experience.

Highlights
  • Practice PFR creation
  • Navigate CFDS menus
  • Access Normal and Menu Modes
  • View static reference pages
  • Offline functionality
  • Ad-free learning
Features
Read full description

A320 CFDS Maintenance Trainer Lite Master the A320 Centralized Fault Display System directly from your mobile device with this specialized maintenance training app. Designed by aviation maintenance experts for maintenance professionals, this app delivers an authentic learning experience of core CFDS functions. Not intended for pilot training. KEY FEATURES: - Practice PFR (Post Flight Report) creation with and without faults - Navigate CFDS menus and submenus - Access both Normal and Menu Modes - View static reference pages from related systems (FMS, ATSU, AIDS) - Optimized performance for older hardware - 100% ad-free learning experience - Full offline functionality Developed by ERM SIMS, specialists in aviation maintenance training simulations, this Lite version provides essential A320 CFDS navigation training in a user-friendly interface. FMS and other system pages are static view-only references to help maintenance personnel explore system relationships. Check out our Full version offering expanded capabilities and enhanced features. Disclaimer: This application serves as a reference tool only and does not replace official maintenance manuals, which remain the primary information source. Variations may exist due to different A320 configuration options.

About

EASA Part 66 Modules Exam

Prepare for aviation certification exams with this app. It offers practice tests covering 17 modules, with multiple-choice questions and a time limit. Users can access free modules or purchase additional content for comprehensive study.

Highlights
  • 17 exam modules
  • Multiple-choice questions
  • Timed tests
  • 75% passing score
  • Free and paid modules
  • Full access purchase option
Features
Read full description

The set of 17 modules, included in this application, will allow you to fully prepare for the examination. The test is based on popular conspectus. Each question in the test contains 3 answers. For successful test passing, the user has to complete it for a limited period of time and get 75% correct answers. Free modules: Module 1, Module 2, Module 9, Module 10 Paid modules: Module 3, Module 4, Module 5, Module 6, Module 7, Module 8, Module 11, Module 12, Module 13, Module 14, Module 15, Module 16, Module 17 You can pay for one module which you need or pay for full access for 14 days

Screenshots

A320 CFDS Trainer Lite4 screens
EASA Part 66 Modules Exam4 screens

Verdict

The call

The clearest difference is review sentiment: EASA Part 66 Modules Exam at 100% against A320 CFDS Trainer Lite's 25%. EASA Part 66 Modules Exam also leads on update cadence (every 6 weeks vs every 3 months). A320 CFDS Trainer Lite's advantage is in-app purchases (none vs 11). On price, ads, device support and iOS requirement 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

Both are free to download. EASA Part 66 Modules Exam sells 11 one-off in-app purchases. A320 CFDS Trainer Lite asks for nothing beyond the download.

UpkeepUpdate frequency

A320 CFDS Trainer Lite ships an update every 3 months, EASA Part 66 Modules Exam every 6 weeks. The most recent releases landed on October 12, 2026 and September 30, 2026 respectively.

Scorecard4 real differences · 6 level
A320 CFDS Trainer Lite versus EASA Part 66 Modules Exam: the parameters behind the verdict, then further details
ParameterA320 CFDS Trainer LiteEASA Part 66 Modules Exam
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews25.0% of reviews100.0% of reviews — better
Number of ratings—2 — better
Update frequencyEvery 3 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better13.4
Further details — not scored
Size69 MB23 MB
Age rating4+4+
DeveloperERM SIMS LLCSergei Vildanov

Customer experience

A320 CFDS Trainer Lite

Written reviews4 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

EASA Part 66 Modules Exam

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

A320 CFDS Trainer Lite

No in-app purchases

11 purchases

EASA Part 66 Modules Exam

One-time11
  • Module 3$2.99
  • Module 15$2.99
  • Module 14$2.99
Show 8 more
  • Module 17$2.99
  • Module 5$2.99
  • Module 6$2.99
  • Module 7$2.99
  • Module 8$2.99
  • Module 12$2.99
  • Module 16$2.99
  • 14 Days Full Access$14.99

Questions

Is A320 CFDS Trainer Lite free?
A320 CFDS Trainer Lite is free to download, with no in-app purchases.
Is EASA Part 66 Modules Exam free?
EASA Part 66 Modules Exam is free to download, with in-app purchases available.
Do A320 CFDS Trainer Lite or EASA Part 66 Modules Exam have ads?
Neither A320 CFDS Trainer Lite nor EASA Part 66 Modules Exam shows ads.
Which is updated more often, A320 CFDS Trainer Lite or EASA Part 66 Modules Exam?
A320 CFDS Trainer Lite ships an update every 3 months, and EASA Part 66 Modules Exam every 6 weeks. Most recently, A320 CFDS Trainer Lite was updated on October 12, 2026 and EASA Part 66 Modules Exam on September 30, 2026.

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