Comparison

Skydive Book vs Altitude

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

Head to head
About

Skydive Book

Features
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- Accounting of all skydiving - Advanced statistics for all jumps - Accounting for parachute system resources - Parachute loading calculator - View the current weather forecast - Search for places to jump on the map - Backup of all data - Dates of validity of parachutes, insurance and medicine - The ability to print the entire book - Wingsuit flight calculator - Create notes Infographics, convenience, support for 20+ languages and community Everything a skydiver needs is in one place!

About

Altitude

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Your whole jump day, logged by itself. Press Start once when you get to the dropzone. Altitude watches the barometer and GPS, detects every jump — climb, exit, deployment, landing — and logs each one automatically with its full flight path. Ten loads, zero taps. EVERY JUMP, FULLY MEASURED • Exit and pull altitudes from the barometer • Freefall time, average and peak descent, ground speed • Opening analysis: snivel time and altitude used • Canopy: ride time, sink rate, final-turn altitude and direction • Winds aloft, measured from your own canopy drift SEE IT • Flight path on the satellite map, colored by phase • 3D flight path you can orbit • Animated replay with a scrubber • Wingsuit panel: glide-ratio curve and speed polar A REAL LOGBOOK • Dense, scannable list — your whole history at a glance • Signatures: hand your phone over, batch-sign with a finger • USPA license progress with per-requirement drill-down • Tag jumps for accuracy, night, and water requirements • Import from Skydive Logger and altimeter CSV exports • One-file full backup, CSV export, iCloud sync JUMP-DAY WEATHER • 7-day outlook with a jumpability call per day • Cloud layers with estimated base altitude • Winds-aloft forecast for your DZ AND THE FUN PART • Personal records that celebrate themselves on landing • Badges, streaks, a level ladder from Ground Level to HALO • The Altitude Bank: how many Everests you've fallen • A shareable year-end Wrapped card No accounts. No ads. No analytics. Your data stays on your device.

Screenshots

Skydive Book4 screens
Altitude3 screens

Verdict

The call

The clearest difference is in-app purchases: Altitude at none against Skydive Book's 2. Altitude also leads on update cadence (daily vs weekly). 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. Skydive Book sells 2 in-app purchases, starting at $5.99 per month. Altitude asks for nothing beyond the download.

UpkeepUpdate frequency

Skydive Book ships an update weekly, Altitude daily. The most recent releases landed on October 27, 2026 and October 21, 2026 respectively.

Scorecard2 real differences · 4 level
Skydive Book versus Altitude: the parameters behind the verdict, then further details
ParameterSkydive BookAltitude
PriceFreeFree
Update frequencyWeeklyDaily — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhoneiPhone, iPad — better
Requires iOS17.017.0
Further details — not scored
Size59 MB4 MB
Age rating4+4+
DeveloperAndrei MalyshauBENJAMIN RUSSELL DOBBINS

In-app purchases

2 purchases

Skydive Book

Subscriptions2
  • One Month$5.991 Month
  • One Year$19.991 Year
None

Altitude

No in-app purchases

Questions

Is Skydive Book free?
Skydive Book is free to download, with in-app purchases available.
Is Altitude free?
Altitude is free to download, with no in-app purchases.
Do Skydive Book or Altitude have ads?
Neither Skydive Book nor Altitude shows ads.
Which is updated more often, Skydive Book or Altitude?
Skydive Book ships an update weekly, and Altitude daily. Most recently, Skydive Book was updated on October 27, 2026 and Altitude on October 21, 2026.

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