Tech Logbook By DCR vs PilotCalc Pro
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Tech Logbook By DCR
Read full descriptionHide full description
To be able to fill maintenance task on the logbook to show to aviation authorities proof of work. With PDF export of the entries and CV.
PilotCalc Pro
Read full descriptionHide full description
PilotCalc Pro is a fast, offline-first flight calculator built by a pilot, for pilots. 27 focused calculators across regulatory reference, core E6B, planning, and conversions โ each designed for the cockpit: large, readable outputs, dual Zulu/local times where it matters, and a keypad that never blocks a decimal point or a minus sign. Everything works offline. No account, no ads, no tracking. REGULATORY โข Max FDP โ maximum flight duty period (GCAA; advisory) โข Crew Rest โ in-flight rest timing with an on-device rest timer โข Converted Met Visibility โ from reported visibility CORE โข Pressure Altitude โ indicated altitude + QNH โ pressure altitude โข Density Altitude โ pressure altitude + OAT โ density altitude โข TAS / IAS / CAS / Mach โ four-way airspeed solver โข Wind Components โ crosswind, headwind & drift PLANNING โข Time ยท Speed ยท Distance โ solve any of the three โข Fuel โ burn, endurance & required fuel โข Fuel Uplift โ refuel cross-check; USG โ kg, uplift sum & discrepancy โข Climb Gradient โ gradient โ rate of climb โ ground speed โข Descent โ top of descent & crossing restrictions โข Glide โ engine-out glide range (still air) โข Cloud Base โ convective cloud base from temperature/dewpoint โข Holding Pattern โ entry, timing & geometry โข Sun Events โ sunrise, sunset & twilight โข Sun En Route โ sunrise/sunset along a route in flight โข Weight & Balance โ weight, CG & envelope โข NEO Crosswind on Ground โ A320/A321neo takeoff crosswind + tailwind envelope โข Oceanic Crossing โ North Atlantic & Pacific (PACOTS) oceanic tracks REFERENCE โข Converter โ length, speed, temperature, pressure, mass, volume โข Metric Altitude โ China/Russia metric levels โ feet โข RVR / Visibility โ RVR & visibility (FAA ft โ m) โข Currency โ offline currency converter โข Cold Temp Correction โ cold-day altitude correction (ICAO table) โข WX Decode โ read a METAR, TAF, D-ATIS or SNOWTAM in plain language โข Dangerous Goods โ decode a NOTOC drill code; look up a UN/ID number FASTER WEATHER INPUT Paste a raw METAR into the weather calculators โ or scan printed weather text with the camera โ to auto-fill the inputs. No manual transcription. PRIVACY No accounts. No ads. No tracking. No third-party analytics. No network. Your data never leaves your device. IMPORTANT โ ADVISORY USE ONLY PilotCalc Pro is a planning and educational aid. Its outputs โ including all regulatory figures such as flight-duty-time limits โ are advisory and are not a substitute for official aeronautical information, approved aircraft documentation, your operator's Operations Manual, or current charts and NOTAMs. Always verify against authoritative sources. The pilot in command is solely responsible for all operational decisions.
Screenshots
Verdict
The clearest difference is in-app purchases: PilotCalc Pro at none against Tech Logbook By DCR's 1. Tech Logbook By DCR's advantage is update cadence (monthly vs every 3 months) and iOS requirement (15.6 vs 18.6). On price, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Tech Logbook By DCR sells 1 in-app purchase, starting at $8.99 per year. PilotCalc Pro asks for nothing beyond the download.
Tech Logbook By DCR ships an update monthly, PilotCalc Pro every 3 months. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.
| Parameter | Tech Logbook By DCR | PilotCalc Pro |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly โ better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPad |
| Requires iOS | 15.6 โ better | 18.6 |
| Further details โ not scored | ||
| Size | 20 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | CYRIL DEPECKER | Vinayak Raghubir Sharma |
In-app purchases
Tech Logbook By DCR
- Premium Yearly14 Days trial$8.991 Year
PilotCalc Pro
No in-app purchases
Questions
Is Tech Logbook By DCR free?
Is PilotCalc Pro free?
Do Tech Logbook By DCR or PilotCalc Pro have ads?
Which is updated more often, Tech Logbook By DCR or PilotCalc Pro?
Other comparisons















