Cockpit Log vs Kdiver
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cockpit Log
Automatically log your flights using your iPhone's sensors. Scan your boarding pass to pre-fill flight details and record takeoff to landing. View your flight path, key metrics, and build a personal aviation logbook.
- Boarding pass scanning
- Sensor-based flight recording
- Automatic flight phase detection
- GPS track mapping
- Personal aviation logbook
- Offline map packs
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Scan your boarding pass, tap Start, and your iPhone's own sensors record the flight from takeoff to landing. Your flight record is not copied from third-party flight data. It holds only what your GPS, barometer and motion sensors actually measured. It is a record that you were there. ■ Recording · Scan the boarding pass barcode to fill in flight number, route and seat · Or share a booking confirmation email to add the boarding pass · One sample per second, takeoff to landing · Altitude, ground speed, G-force, cabin pressure altitude · Automatic phases: taxi, takeoff, cruise, landing, taxi · Keeps recording with the screen off or another app open ■ Before you fly, after you arrive · Home shows your next flight with its route map and a to-the-second countdown · Flight briefing: your aircraft, gate, and weather at the destination · Arrival guide: baggage belt, arrival gate, immigration hall, and where to catch your rideshare (some details aren't available at every airport) ■ After you land · Measured takeoff and touchdown times, and time airborne · Peak altitude, speed and G-force · Your actual GPS track on a map · Takeoff and landing runway identification · Arrival airport stats and carbon footprint ■ Logbook · Your flights add up into a personal aviation logbook · Keeps the aircraft you flew (type, registration, photo), seat and gate · Search by flight number or route · Import past flights from another app's CSV, and export all your flights as CSV ■ Records: collections and habits · Airlines and alliances, airports and runways, countries, and every aircraft you've flown become collections · Aircraft details: photo, specs, registration history, and your flights on it · Cabin pressure profile and personal records · Your seat habits, on-time rate, and a year in review that opens each December ■ Your data stays yours · Raw GPS coordinates stay on this device and in your own iCloud. They are never sent to our server · Only your boarding passes and flight summaries (flight number, times, peak values) are backed up · Email import sends only the text of the email you share, to read the flight details · Delete everything, or your whole account, at any time ■ About GPS in the cabin Reception depends heavily on where you sit. In our own measurements, window seats recorded 95-100% of the flight while non-window seats managed 14-53%. Sitting by a window and keeping your phone near it makes a large difference. A gap in the GPS track is not a failed recording. Altitude, G-force and flight phases keep recording from the barometer and motion sensors. ■ BUSINESS · Offline route maps so you can follow the route with no internet in the air · A full PDF of each flight record, and watermark-free share cards · See where the aircraft you flew is flying today · An aircraft's full registration history, and on-time rates by airline · A single-flight pass is available if you would rather not subscribe Available in English, Korean and Japanese. Subscription details Cockpit-log BUSINESS · Monthly — $3.99 per month · Yearly — $39.99 per year A BUSINESS subscription unlocks the offline route map you can use in the air without internet, a full PDF of every flight record, watermark-free share cards, today's flights for aircraft you've flown, full registration history, and on-time rates by airline. Recording, boarding passes, the logbook, stats, collections and the visited-countries map are free. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period, and your Apple ID is charged for renewal. You can manage or cancel in Settings > Apple Account > Subscriptions after purchase. Business Single Flight Pass — $1.99 (one-time, non-renewing. Applies to a single flight and unlocks that flight's offline route map, PDF and watermark-free share card) Terms of Use: https://www.cockpit-log.com/v1/policy/terms Privacy Policy: https://www.cockpit-log.com/v1/policy/privacy
Kdiver
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바다를 지구본 하나로 봅니다. 국가를 갈아타지 않고 줌과 팬만으로 전 세계 다이브 사이트를 이어서 봅니다. 필리핀에서 몰디브로, 이집트에서 갈라파고스로 — 한 화면에서 이어집니다. ■ 담긴 것 · 다이브 사이트 2,500여 곳, 다이브 샵 1,000여 곳, 44개국 · 리브어보드 130여 척 — 배 이름, 운항 권역, 공항에서 오는 길 · 수심·난이도·시야, 그리고 그곳에서 만날 수 있는 생물 ■ 다이브컴퓨터를 연결합니다 Shearwater 다이브컴퓨터를 블루투스로 연결해 로그를 그대로 가져옵니다. 수심 프로파일, 수온, 잔압까지 옮겨 오고, 사이트와 샵을 붙이면 로그가 완성됩니다. 다른 컴퓨터도 파일(UDDF)로 불러올 수 있습니다. ■ 나의 다이빙이 쌓입니다 · 로그북 - 날짜별로 쌓이고, 다녀온 나라가 여권 지도에 채워집니다 · 생물 도감 282종 - 만난 종을 체크하면 내 도감이 채워집니다 · 장비 도감 664개 - 쓰는 장비를 옷장에 넣어 두고 로그마다 불러 씁니다 · 사진 - 로그에 붙이고, 원하면 그 사이트의 갤러리에 익명으로 남길 수 있습니다 ■ 함께하는 스쿠버 다이빙 · 같이가기 - 버디를 모집해 보세요. 리브어보드부터 수영장까지 어디든. · 동호회 - 팀을 만들거나 참여해보세요 · 샵 후기 - 다이버의 실질적인 리뷰가 담긴 후기 ■ 다이브 포인트의 정보를 한눈에 · 물때, 수온, 파고, 유속을 한눈에 스쿠버지수로 · 국가별 외교부 여행경보도 매일 업데이트 됩니다 ■ 기록은 당신의 것입니다 · 로그마다 공개 범위를 정합니다 - 전체 공개 / 익명 / 비공개 · 일기와 캡션을 나눠 씁니다. 남길 것과 남기지 않을 것을 스스로 정합니다 · 오픈 인증으로 안전하게 - 사이트에서 별도의 개인정보를 수집하지 않습니다 · 언제든 앱 안에서 탈퇴할 수 있고, 그때 개인 기록은 함께 사라집니다 로그인 없이도 지도와 정보는 전부 볼 수 있습니다.
Screenshots
Verdict
The clearest difference is update cadence: Kdiver at every 4 days against Cockpit Log's every 2 weeks. Kdiver also leads on iOS requirement (15.0 vs 18.2). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Cockpit Log ships an update every 2 weeks, Kdiver every 4 days. The most recent releases landed on October 21, 2026 and October 9, 2026 respectively.
| Parameter | Cockpit Log | Kdiver |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 2 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Freemium | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 18.2 | 15.0 — better |
| Further details — not scored | ||
| Size | 84 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | hyeongju park | Ahran Lee |
In-app purchases
Cockpit Log
No in-app purchases
Kdiver
No in-app purchases









