# Clearspar Radio Trainer — Practice pilot radio calls > Pilot radio communication trainer with graded scenarios and phraseology drills. (iPhone/iPad app by John Thomas.) - Source: https://appshunter.io/ios/app/clearspar-radio-trainer/id6781150292 (this page in markdown: same URL + `.md`) - Developer: [John Thomas](https://appshunter.io/developer/1896733361) - Category: Education, Travel - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 17.0 · 9 MB - Languages: American English - Released: 2026-07-06 - Data updated: 2026-07-23 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/clearspar-radio-trainer/id6781150292/reviews.md ## What is Clearspar Radio Trainer? Clearspar Radio Trainer turns the part of flight training every student dreads — the radio — into something you can drill until it's automatic. Hear a real ATC transmission, read it back (by voice or typing), and get graded instantly against the FAA standard. No instructor or flight time required. WHAT YOU GET • 75+ graded scenarios across every phase — ground, tower, pattern, departure, en route, IFR, and emergencies • Your real home field — enter your N-number's base and practice the actual frequencies, runways, and taxiways • Live Comms: voice readbacks graded element-by-element, with the textbook answer • Ground School: phonetic alphabet, numbers, and phraseology drills — free, offline • Listening drill: copy a fast controller call through realistic radio static • Mock oral: examiner-style questions for checkride prep • Helicopter, night, and Special VFR tracks • Readiness score, weak-spot tracking, and a shareable progress card WHY IT WORKS Every scenario is built against the FAA Aeronautical Information Manual (AIM) Chapter 4 — the same standard your CFI and examiner use. You learn the exact words, why each readback matters, and the mistakes that cause runway incursions. FREE TO START Ground School and 5 graded radio scenarios a day are free. Go unlimited with Solo Pilot; instructors get CFI Pro to assign scenarios and track every student. Built by pilots. Talk like you've done it a hundred times — because you will have. Subscription Terms: Solo Pilot is a monthly auto-renewing subscription. Payment is charged to your Apple ID account at confirmation of purchase. The subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple ID Account Settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://wilco.binnacleai.com/privacy ## Key features - 75+ graded scenarios - Real home field customization - Voice readback grading - Phonetic alphabet drills - Listening comprehension exercises - Mock oral exam prep - Progress tracking ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Solo Pilot | $9.99 | per month | ## Frequently asked questions about Clearspar Radio Trainer ### What is Clearspar Radio Trainer? Clearspar Radio Trainer is an educational app designed to help pilots practice radio communications. It simulates Air Traffic Control (ATC) transmissions and provides instant feedback on readbacks based on FAA standards. ### How does Clearspar Radio Trainer help with learning? It uses over 75 graded scenarios covering all flight phases, from ground to en route and emergencies. The app focuses on exact phraseology, why readbacks matter, and common mistakes to avoid. ### Can I practice with my own airport's frequencies? Yes, you can enter your N-number's base to practice with the actual frequencies, runways, and taxiways of your real home field. ### What kind of drills does Clearspar Radio Trainer offer? It includes Live Comms for voice readback grading, Ground School for phonetic alphabet and phraseology drills, and a Listening drill to copy calls through static. There's also a mock oral exam section for checkride preparation. ### Is Clearspar Radio Trainer free to use? Ground School and 5 graded radio scenarios per day are available for free. Unlimited access requires a 'Solo Pilot' subscription. ### What are the subscription options for Clearspar Radio Trainer? The 'Solo Pilot' subscription offers unlimited access and is a monthly auto-renewing subscription priced at $9.99. Instructors can opt for 'CFI Pro' to assign scenarios and track students. ### Does Clearspar Radio Trainer have ads? No, Clearspar Radio Trainer does not contain advertisements. The app is ad-free. ### What devices is Clearspar Radio Trainer available on? Clearspar Radio Trainer is available on Apple Watch, iPhone, and iPad, offering flexibility for practice on various devices. ## Version history (last 3 releases) ### 1.1.0 — 2026-07-22 What's new in 1.1.0: • Flashcards — quick phonetic, number, and call sign drills on iPhone and Apple Watch. Start a set on one, pick it up on the other. • Live Activities — keep an eye on your current scenario step right from the Lock Screen and Dynamic Island. • Refer a friend (or your CFI) — you both get a free month of Pro when they join. • Accessibility — VoiceOver improvements, Dynamic Type support, and a wider letter-and-line spacing reading option. • Assorted fixes and polish. ### 1.0.2 — 2026-07-14 Improved reliability of ATC call playback — scenario, listening, and mock-oral audio now plays instantly from the app itself instead of depending on a network call every time, with graceful fallbacks if it's ever needed. ### 1.0 — 2026-07-06 No release notes. ## More apps by John Thomas - [Aloha Calendar](https://appshunter.io/ios/app/aloha-calendar/id6770357686) - [Āina Atlas](https://appshunter.io/ios/app/aina-atlas/id6770377344) - [Last Frontier Events](https://appshunter.io/ios/app/last-frontier-events/id6770386034) - [Binnacle Harbor](https://appshunter.io/ios/app/binnacle-harbor/id6771552119) - [Binnacle Dockmaster](https://appshunter.io/ios/app/binnacle-dockmaster/id6771552759) - [Binnacle Arcade](https://appshunter.io/ios/app/binnacle-arcade/id6777791460) All apps by John Thomas: https://appshunter.io/developer/1896733361 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-23.*