Comparison

HSI + ILS Trainer vs Comms

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

Head to head
About

HSI + ILS Trainer

Master core radio-navigation skills for instrument flight training. This app offers interactive lessons and practice drills for HSI and ILS interpretation, intercepts, and tracking. It includes a built-in HSI simulator for briefings and classroom use, designed with flight instructors.

Highlights
  • HSI interpretation and course setting
  • ILS localizer and glideslope tracking
  • Intercept and correction practice
  • Interactive lessons for quick learning
  • IFR drills and scenarios
  • Built-in HSI simulator
Features
Read full description

Train HSI and ILS the right way. HSI + ILS Trainer – IFR Pilot helps instrument students, IR candidates and instructors learn, practice and retain core radio-nav skills. ### What you’ll master - HSI (Horizontal Situation Indicator): interpretation, course setting, CDI deflection, TO/FROM, intercepts. - ILS (Instrument Landing System): localizer & glideslope tracking, intercepts, corrections and stabilization. ### Why pilots use it - Interactive lessons to grasp the basics fast. - IFR drills & scenarios to turn knowledge into muscle memory. - Built-in HSI simulator ideal for briefings, homework and classroom use. Designed and reviewed with flight instructors to ensure practical, checkride-ready training quality. Enjoy the app & FLY SAFE!

About

Comms

Practice realistic air traffic control radio communications using AI and speech recognition. Build confidence with over 35 scenarios, from basic taxi instructions to complex airspace transitions. Get instant feedback on your phraseology and accuracy.

Highlights
  • AI-powered speech recognition
  • Realistic ATC scenarios
  • Instant feedback on phraseology
  • Transcript review
  • Practice anytime, anywhere
  • Guided responses
Features
Read full description

Master Your Radio Skills. Fly with Confidence. Practice real ATC conversations by speaking into your phone. Comms uses AI and speech recognition to simulate realistic radio exchanges — so you can build confidence before keying the mic in the cockpit. Whether you're preparing for your first solo or sharpening your skills before a checkride, Comms helps you sound like you've been on frequency for years. 35+ Realistic ATC Scenarios - Taxi clearances, progressive taxi, and runway crossings - Takeoff, pattern work, and departures from towered and non-towered fields - VFR flight following — requesting, canceling, and handoffs - Class Bravo and Charlie airspace clearances and transitions - CRAFT clearances, IFR pop-ups, and holding instructions - Approaches, go-arounds, and missed approach procedures - Landing at towered and non-towered airports - Filing PIREPs, opening/closing flight plans, and requesting diversions - VFR into IMC emergency scenarios How It Works - Listen to ATC instructions with realistic controller audio - Respond by speaking your readback out loud - Get instant feedback on accuracy and phraseology - Review your full transcript after each session Built for Student Pilots - Designed for the calls that make new pilots nervous - Practice anytime — no airplane, no instructor, no pressure - Progress from basic taxi calls to complex airspace scenarios - Guided responses help you learn correct phraseology Perfect For - Student pilots preparing for solo or checkride - Private pilot candidates building radio confidence - Flight instructors looking for a training aid - Rusty pilots getting back on frequency Download Comms and take the stress out of talking to ATC. Focus on what matters most — flying the airplane. Terms of use - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

HSI + ILS Trainer4 screens
Comms4 screens

Verdict

The call

The clearest difference is review sentiment: HSI + ILS Trainer at 100% against Comms's 35%. HSI + ILS Trainer also leads on rating (5.0 vs 4.3) and in-app purchases (none vs 12). Comms's advantage is price (Free vs $9.99) and update cadence (every 9 days vs every 3 months). On ads 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

Comms is free to download; HSI + ILS Trainer costs $9.99 up front. Comms sells 10 in-app purchases, starting at $6.99 per 7 days. HSI + ILS Trainer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

HSI + ILS Trainer holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Comms has 303 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of HSI + ILS Trainer's written reviews are positive against 35% of Comms's.

UpkeepUpdate frequency

HSI + ILS Trainer ships an update every 3 months, Comms every 9 days. The most recent releases landed on October 9, 2026 and October 30, 2026 respectively.

Scorecard8 real differences · 2 level
HSI + ILS Trainer versus Comms: the parameters behind the verdict, then further details
ParameterHSI + ILS TrainerComms
Price$9.99Free — better
Rating5.0 (1 ratings) — better4.3 (303 ratings)
Positive reviews100.0% of reviews — better35.3% of reviews
Number of ratings1303 — better
Update frequencyEvery 3 monthsEvery 9 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.615.1 — better
Further details — not scored
Size151 MB69 MB
Age rating4+4+
DeveloperFlygo-Aviation LtdKHV Digital LLC

Customer experience

HSI + ILS Trainer

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Comms

All ratings302 ratings
Positive79.8%
Neutral4.6%
Negative15.6%
Written reviews68 reviews
Positive35.3%
Neutral13.2%
Negative51.5%

Bugs and requests

HSI + ILS Trainer

Not enough reviews yet to summarise bugs or requests.

Comms

Reported bugs

3 issues
  • App crashes and becomes unusable after account setup
  • Incompatible with latest iOS versions
  • Provides incorrect information that goes against FAA guidelines

Requested features

3 requests
  • More detailed and comprehensive pilot scenarios
  • Improved voice recognition and speech-to-text accuracy
  • Better alignment with FAA instructions and procedures

In-app purchases

None

HSI + ILS Trainer

No in-app purchases

10 purchases

Comms

Subscriptions4
  • Comms Premium Weekly2 variants$6.997 Days
  • Comms Premium Monthly2 variants$14.991 Month
  • Comms Premium Yearly3 Days trial$49.991 Year
Show 1 more
  • Comms Premium Yearly3 Days trial$79.991 Year
One-time6
  • Study Guide Private Pilot w/Premium$9.99
  • 25 Scan Credits$9.99
  • Pro - Unlock All Comms$12.99
Show 3 more
  • Study Guide Commercial Pilot$14.99
  • 50 Scan Credits$14.99
  • Study Guide Private Pilot$19.99

Questions

Is HSI + ILS Trainer free?
HSI + ILS Trainer costs $9.99, with no in-app purchases.
Is Comms free?
Comms is free to download, with in-app purchases available.
Which has better reviews, HSI + ILS Trainer or Comms?
HSI + ILS Trainer is rated higher. HSI + ILS Trainer averages 5.0 out of 5 from 1 ratings, while Comms averages 4.3 from 303 ratings.
Do HSI + ILS Trainer or Comms have ads?
Neither HSI + ILS Trainer nor Comms shows ads.
Which is updated more often, HSI + ILS Trainer or Comms?
HSI + ILS Trainer ships an update every 3 months, and Comms every 9 days. Most recently, HSI + ILS Trainer was updated on October 9, 2026 and Comms on October 30, 2026.

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