Comparison

E6BJA E6B Flight Computer vs Systems Trainer

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

Head to head
About

E6BJA E6B Flight Computer

This digital flight computer assists pilots with a wide range of aeronautical calculations, offering a modern, efficient, and less error-prone alternative to traditional whiz-wheels. It features an intuitive interface for speed and accuracy in flight planning and execution.

Highlights
  • Visual wind, GS, TAS calculations
  • Holding pattern computer
  • Wind triangle solver
  • Descent and fuel calculators
  • Weight and balance for multiple aircraft
  • Aviation units converter
  • Atmospheric calculations
Features
Read full description

The E6BJA Flight Computer is a powerful software-based digital computer for practising performing aeronautical and flight calculations speedily and easily. Inspired by the Whiz-wheel (e.g. E6B, CR-1, CRP-1, CRP-5 etc), an ingenious and excellent teaching tool, and designed to replace handheld electronic digital flight computers (e.g. CX-3), the E6BJA software app is rich in features, powerful and efficient. It can be installed on a phone or tablet --- for convenience --- and has a number of advantages over the whiz-wheel; calculations are simpler and quicker to perform, with less margin of error, better reproducibility and is less error-prone. It has a clear and intuitive user interface. The E6BJA calculator currently provides the following features: E6BJA Wind, GS,TAS Visualiser and Diversions Star Holding Pattern Visualiser/Computer Wind triangle, True Air Speed, Ground Speed Visualiser Wind Triangle solver Wind Correction Angle Descent Calculator Fuel Calculator Equivalent Time Point (ETP) and Point of No Return (PNR). Weight, Arm and Moment Calculator Pressure Altitude Density Altitude Cloud Base Dew Point and Relative Humidity ISA 1976 Atmosphere Mach Number True Air Speed (TAS) to Indicated Air Speed (IAS) Indicated Air Speed (IAS) from True Air Speed (TAS) Ground Speed (GS) Load Factor from Bank Angle Turns Calculator Aviation Units Converter Weight and Balance Calculators for the following aircraft: Beechcraft V35 Bonanza Beechcraft BE76 Duchess Cessna 150M (1977) Commuter Cessna 152 (1979/1980) Cessna 170B Cessna 172M (1976) Skyhawk Cessna 172S (1998) Skyhawk Cessna 177B Cardinal Cessna 180 Skywagon Cessna 185D Skywagon Cessna 210M Centurion Cessna 421 Golden Eagle Diamond DA-20 Diamond DA-42 Cirrus SR22 Piper PA28-151 Warrior Piper PA28-161 Warrior II (1977/1978) Piper PA28-180 Archer Piper PA28R-180 Cherokee Piper PA32R-301 Saratoga Piper PA-34-200 Seneca Piper PA-44 Seminole Piper PA46-310P Malibu Robin HR100/210 Robin HR200/120 Socata TB9 Tampico Socata TB200 Tobago

About

Systems Trainer

Features
Read full description

Systems Trainer – Challenger 3500 Systems Trainer Systems Trainer is the dedicated study companion for pilots flying or transitioning to the Bombardier Challenger 3500. Designed to help you build, maintain, and sharpen your aircraft systems knowledge, whether you're preparing for a recurrent check, an oral exam, or simply want to stay sharp between flights. COMPREHENSIVE SYSTEMS COVERAGE: Study all Challenger 3500 aircraft systems in one place: • Air Conditioning & Pressurization • Automatic Flight Control & Autothrottle • Auxiliary Power Unit • Communications • Electrical • Fire Protection • Flight Controls & Flight Instruments • Fuel & Hydraulics • Ice & Rain Protection • Landing Gear & Lighting • Limitations • Navigation • Oxygen & Emergency Equipment • Powerplant • Aural & Visual Alerts THREE QUIZ MODES: Challenge yourself the way that suits you best. Multiple Choice tests your recall against plausible alternatives. Flashcard mode lets you self-assess at your own pace. True/False sharpens your instinct for correct procedures and limitations. Mix and match modes or focus on a single system, the choice is yours. IMMEDIATE ACTION ITEMS: Train the procedures that matter most under pressure. The dedicated Immediate Action Items section lets you study and drill all emergency memory items with timed drills, step-by-step review, and a strict mastery standard: three consecutive correct answers within the target time. Because in a real emergency, there is no time to think. SMART PROGRESS TRACKING: Every question you answer contributes to your progress. Track mastery per system, monitor your overall accuracy, follow your daily study streaks, and earn points as you grow your knowledge. The Statistics view gives you a clear picture of where you stand and where to focus next. ACHIEVEMENTS: Stay motivated with a full achievement system spanning four categories. From your first question to mastering all systems and all Immediate Action Items, milestones reward consistent effort and depth of knowledge. BOOKMARKS: Flag questions you want to revisit. Build your own personal review list of tricky limitations, unfamiliar procedures, or topics you want to reinforce before your next flight. BUILT FOR PILOTS: Systems Trainer is built with technical accuracy as the top priority. All content has been independently compiled for study purposes and reflects publicly available aircraft systems knowledge. The app is designed as a study aid to complement your official training, not to replace it. Always refer to current approved documentation for operational use. Study smarter. Stay current. Know your aircraft. Systems Trainer is an independent study aid and is not affiliated with, endorsed by, or approved by Bombardier or any regulatory authority. All content is intended for study purposes only.

Screenshots

E6BJA E6B Flight Computer4 screens
Systems Trainer4 screens

Verdict

The call

The clearest difference is price: Systems Trainer at Free against E6BJA E6B Flight Computer's $9.99. E6BJA E6B Flight Computer's advantage is update cadence (weekly vs every 2 weeks) and iOS requirement (13.0 vs 17.6). On ads, in-app purchases and device support 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

Systems Trainer is free to download; E6BJA E6B Flight Computer costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

E6BJA E6B Flight Computer ships an update weekly, Systems Trainer every 2 weeks. The most recent releases landed on September 14, 2026 and September 9, 2026 respectively.

Scorecard3 real differences · 7 level
E6BJA E6B Flight Computer versus Systems Trainer: the parameters behind the verdict, then further details
ParameterE6BJA E6B Flight ComputerSystems Trainer
Price$9.99Free — better
Rating5.0 (6 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings6 — better—
Update frequencyWeekly — betterEvery 2 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.6
Further details — not scored
Size9 MB1000 MB
Age rating4+4+
DeveloperDr. Jamie Alnasir, Ph.DPatrick Heinrich

In-app purchases

None

E6BJA E6B Flight Computer

No in-app purchases

None

Systems Trainer

No in-app purchases

Questions

Is E6BJA E6B Flight Computer free?
E6BJA E6B Flight Computer costs $9.99, with no in-app purchases.
Is Systems Trainer free?
Systems Trainer is free to download, with no in-app purchases.
Do E6BJA E6B Flight Computer or Systems Trainer have ads?
Neither E6BJA E6B Flight Computer nor Systems Trainer shows ads.
Which is updated more often, E6BJA E6B Flight Computer or Systems Trainer?
E6BJA E6B Flight Computer ships an update weekly, and Systems Trainer every 2 weeks. Most recently, E6BJA E6B Flight Computer was updated on September 14, 2026 and Systems Trainer on September 9, 2026.

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