Comparison

TrueAlt vs PaperLog

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

Head to head
About

TrueAlt

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TrueAlt uses the methods described by the ICAO Doc 8168 to calculate the altimeter corrections required when flying in very cold temperatures below the International Standard Atmosphere Temperatures. The App menus and submenus are straight forward, designed for versatility and fast operation. Please feel free to comment it and any suggestions to improve it will be appreciated.

About

PaperLog

This app digitizes the traditional pilot logbook, offering a secure and organized way to record flight history. It features automatic schedule parsing, cloud backup, and digital signature support for professional pilots.

Highlights
  • Digital pilot logbook
  • Cloud backup
  • Automatic schedule parsing
  • Digital signature support
  • Printable logbook export
  • ICAO and IATA airport code support
Features
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Bring the feeling of a traditional paper logbook together with the convenience of digital technology. ParperLog lets you record every flight safely, organize your logbook effortlessly, and keep your flight history securely backed up. Designed for professional pilots, ParperLog recreates the familiar structure of analog logbooks while adding powerful digital tools. Key Features • Full support for ICAO and IATA airport codes • Authentic paper-style logbook layouts including FAA format and airline-style formats • Automatic airline schedule parsing (PDF, CSV, and web formats) • Import schedules from airlines such as Korean Air, Jeju Air, and more • Secure cloud backup for all flight records • Digital signature support for completed logbook pages • Flight summary and printable logbook export Still writing every leg manually? Still adding up flight time at the end of every page? ParperLog does it all for you. Built for pilots who want the reliability of a traditional logbook with the efficiency of a modern digital tool.

Screenshots

TrueAlt4 screens
PaperLog4 screens

Verdict

The call

The clearest difference is price: PaperLog at Free against TrueAlt's $4.99. PaperLog also leads on update cadence (weekly vs every 5 months). TrueAlt's advantage is in-app purchases (none vs 1). On 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

PaperLog is free to download; TrueAlt costs $4.99 up front. PaperLog sells 1 one-off in-app purchase. TrueAlt asks for nothing beyond the download.

UpkeepUpdate frequency

TrueAlt ships an update every 5 months, PaperLog weekly. The most recent releases landed on September 7, 2026 and July 9, 2026 respectively.

Scorecard3 real differences · 6 level
TrueAlt versus PaperLog: the parameters behind the verdict, then further details
ParameterTrueAltPaperLog
Price$4.99Free — better
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 5 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhoneiPhone, iPad — better
Requires iOS16.4 — better17.6
Further details — not scored
Size9 MB23 MB
Age rating17+4+
DeveloperGonzalo Adolfo Garcia HeldAeroSync Studio

In-app purchases

None

TrueAlt

No in-app purchases

1 purchases

PaperLog

One-time1
  • Premium Lifetime$6.99

Questions

Is TrueAlt free?
TrueAlt costs $4.99, with no in-app purchases.
Is PaperLog free?
PaperLog is free to download, with in-app purchases available.
Do TrueAlt or PaperLog have ads?
Neither TrueAlt nor PaperLog shows ads.
Which is updated more often, TrueAlt or PaperLog?
TrueAlt ships an update every 5 months, and PaperLog weekly. Most recently, TrueAlt was updated on September 7, 2026 and PaperLog on July 9, 2026.

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