ATSim vs Comms
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ATSim
Practice air traffic control radio communication and phraseology with an AI-powered simulator. Learn through repetition and immediate feedback with realistic scenarios covering over 170 airports and various flight types.
- AI-powered pilot interaction
- Voice recognition and speech analysis feedback
- Practice radio communication
- Master aviation phraseology
- Over 170 airports simulated
- VFR and IFR flight control lessons
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The PlaneEnglish Air Traffic Simulator (ATSim) is an interactive air traffic control radio simulator created to enable air traffic controllers to learn and master radio communication and phraseology on their own time. ATSim provides a self-guided means to practice and master the radio through repetition and immediate feedback. AI-based pilots interact with the controller to make requests and respond to instructions. Instantaneous feedback through voice recognition and speech analysis will guide you, the controller, through realistic scenarios toward proficiency in aviation phraseology and communication. You can access more than 170 airports and step through lessons covering airport, terminal area, and in-transit control of VFR and IFR flights. Guided by the Federal Aviation Administration (FAA) and International Civil Aviation Organization (ICAO) phraseology, standards, and radiotelephony procedures the current version of the simulator focuses on the FAA phraseology standards. Upcoming improvements will enable users to switch between ICAO and FAA standards. Future releases and updates to ATSim will expand the training content, lessons, and scenarios.
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.
- AI-powered speech recognition
- Realistic ATC scenarios
- Instant feedback on phraseology
- Transcript review
- Practice anytime, anywhere
- Guided responses
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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
Verdict
The clearest difference is in-app purchases: ATSim at none against Comms's 12. ATSim also leads on review sentiment (63% vs 36%) and iOS requirement (12.1 vs 15.1). Comms's advantage is ratings volume (207 vs 15). On price, rating, 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
Both are free to download. Comms sells 10 in-app purchases, starting at $6.99 per 7 days. ATSim asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.1 for ATSim against 4.2 for Comms. That said, the two scores are not equally well evidenced: Comms has 207 ratings behind it against 15, so its average is the more settled of the two. Written reviews are what separate them: 63% of ATSim's written reviews are positive against 36% of Comms's.
| Parameter | ATSim | Comms |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (15 ratings) | 4.2 (207 ratings) — better |
| Positive reviews | 62.5% of reviews — better | 35.8% of reviews |
| Number of ratings | 15 | 207 — better |
| Update frequency | — | Every 4 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.1 — better | 15.1 |
| Further details — not scored | ||
| Size | 163 MB | 67 MB |
| Age rating | 4+ | 4+ |
| Developer | PlaneEnglish | KHV Digital LLC |
Customer experience
ATSim
Comms
Bugs and requests
ATSim
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
ATSim
No in-app purchases
Comms
- Comms Premium Weekly2 variants$6.997 Days
- Comms Premium Monthly2 variants$14.991 Month
- Comms Premium Yearly3 Days trial$49.991 Year
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- Comms Premium Yearly3 Days trial$79.991 Year
- Study Guide Private Pilot w/Premium$9.99
- 25 Scan Credits$9.99
- Pro - Unlock All Comms$12.99
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- Study Guide Commercial Pilot$14.99
- 50 Scan Credits$14.99
- Study Guide Private Pilot$19.99









