Comparison

Wing Loading Calculator vs Skydiving Logbook

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

Head to head
About

Wing Loading Calculator

Read full description

Wing Loading Calculator is a tool to help skydivers quickly calculate, or find there correct canopy sizing based of your experience level all in a clean, fast and easy to use interface. How it works: Enter Exit Weight (body weight + equipment) in KG or LBS Enter Canopy Size (sq ft) or use the slider to help identify canopy sizing / wing loading based of jumpers experience See your Wing Loading and recommended jump number experience levels instantly Why it matters Different canopies behave very differently at the same wing loading. This tool gives you a quick reference so you can have a better conversation with your canopy coach. Features KG/LBS toggle with a sleek segmented control Manual input or slider for canopy size Colour coded recommended jump number experience levels (Beginner / Intermediate / Advanced / Expert) with a marker Haptic feedback that feels great but not overbearing Dark Mode and offline support No account signup and no ads Disclaimer This tool is for educational reference only and does not replace professional instruction. Always consult a canopy coach before downsizing or progression decisions. Stay smart, fly safe.

About

Skydiving Logbook

Read full description

Your Skydiving Logbook Lives On If you loved logging your jumps digitally but lost your favorite app, this one's for you. Skydive Logbook is a faithful recreation of the discontinued Skydiving Logbook app, rebuilt from the ground up with thoughtful enhancements. Important: This app is not affiliated with, endorsed by, or connected to the original Skydive Logbook app or its developer. It was independently developed to fill the gap when that app left the App Store. — NEW IN 2.4 — PUSH YOUR JUMPS TO SKYDERBY Connect your Skyderby account and upload any FlySight jump's full-rate GPS track to skyderby.io straight from your logbook — jump kind, visibility, suit and comment included — with a synced "View on Skyderby" link on the jump. FLYSIGHT FILES IN ICLOUD DRIVE Every FlySight import saves the full-rate TRACK and SENSOR files to iCloud Drive, ready in the Files app on all your devices. REPORTS Filtered jump counts by date range, drop zone and jump type, shared as PDF or CSV — perfect for tandem instructors reconciling pay. — IMPORT FROM YOUR DEVICES — FLYSIGHT 2 AUTO-IMPORT Pair your FlySight 2 and pull every recording straight into your logbook. Exit altitude, deployment altitude, freefall time, and drop zone are detected automatically. Every FlySight jump gets a profile chart and a satellite freefall map. L&B AUDIBLE IMPORT Connect an L&B audible (Optima 3, Quattro 3 or ProTrack 3) over Bluetooth — exit and deployment altitudes, freefall time, and a reconstructed freefall profile graph for every jump. — WEATHER, BUILT FOR JUMPERS — A full Weather tab: 7-day and hourly forecasts with winds aloft at every altitude, cloud base from both the forecast model and live METAR reports, rain and cloud radar, a wind-direction map, live DZ webcams, and your choice of forecast model. — DROP ZONE DATABASE — A built-in, searchable database of 300+ drop zones worldwide. Star your regular drop zones to keep them at the top of every list. — FEDERATIONS & JUMPER PROFILE (OPTIONAL) — Connect your parachuting federation (starting with the APF) to view your licence, ratings, waivers and equipment permissions, and track expiries. — ICLOUD SYNC — Jumps, gear, drop zones, signatures, and photos sync between your iPhone and iPad via iCloud. — SKYDIVE LOGBOOK PRO — Log up to 25 jumps free, then unlock unlimited logging with Skydive Logbook Pro at $2.99 AUD/month. Everything else stays free forever. — SMART REMINDERS & STATS — GEAR REMINDERS — jump-based tracking for linesets, brakelines and closing loops, plus time-based repack and AAD reminders with early alerts GPS DROP ZONE DETECTION — pre-fills your nearest drop zone when logging SUMMARY DASHBOARD — total jumps, yearly activity, freefall time, cutaways, and personal bests — EVERYTHING YOU REMEMBER — COMPLETE JUMP LOGGING Jump number, date, drop zone, aircraft, jump type, altitudes, freefall time, cutaways — plus photos, diagrams, notes, and instructor signatures Quick Day bulk logging — a full day of tandems, AFF, or camera jumps in one save GEAR MANAGEMENT Multiple rigs with photos, components, and serial numbers SMART FEATURES Automatic freefall time in feet or metres, filters, statistics, personal records, wing loading calculator, light and dark themes DATA YOU CONTROL Export your complete logbook to CSV or PDF anytime Import from Paralog XML, CSV, or the Boogie app Data stays on your device, with optional iCloud sync — BUILT BY A SKYDIVER — Created by an active skydiver who relied on the original app. Auto-renewing Subscription Terms Skydive Logbook Pro is a monthly subscription priced at $2.99 AUD. It renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.pilot.ws/privacy-policy

Screenshots

Wing Loading Calculator4 screens
Skydiving Logbook4 screens

Verdict

The call

The clearest difference is in-app purchases: Wing Loading Calculator at none against Skydiving Logbook's 1. Wing Loading Calculator also leads on update cadence (every 2 days vs every 2 weeks). On price, ads, device support and iOS requirement 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

Both are free to download. Skydiving Logbook sells 1 in-app purchase, starting at $1.99 per month. Wing Loading Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

Wing Loading Calculator ships an update every 2 days, Skydiving Logbook every 2 weeks. The most recent releases landed on June 2, 2026 and October 12, 2026 respectively.

Scorecard2 real differences · 4 level
Wing Loading Calculator versus Skydiving Logbook: the parameters behind the verdict, then further details
ParameterWing Loading CalculatorSkydiving Logbook
PriceFreeFree
Update frequencyEvery 2 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhoneiPhone, iPad — better
Requires iOS17.617.0 — better
Further details — not scored
Size2 MB11 MB
Age rating17+4+
DeveloperRobin ClohessyJason Dodunski

In-app purchases

None

Wing Loading Calculator

No in-app purchases

1 purchases

Skydiving Logbook

Subscriptions1
  • Unlimited Jumps$1.991 Month

Questions

Is Wing Loading Calculator free?
Wing Loading Calculator is free to download, with no in-app purchases.
Is Skydiving Logbook free?
Skydiving Logbook is free to download, with in-app purchases available.
Do Wing Loading Calculator or Skydiving Logbook have ads?
Neither Wing Loading Calculator nor Skydiving Logbook shows ads.
Which is updated more often, Wing Loading Calculator or Skydiving Logbook?
Wing Loading Calculator ships an update every 2 days, and Skydiving Logbook every 2 weeks. Most recently, Wing Loading Calculator was updated on June 2, 2026 and Skydiving Logbook on October 12, 2026.

Other comparisons