TrueAlt vs PaperLog
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
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.
- Digital pilot logbook
- Cloud backup
- Automatic schedule parsing
- Digital signature support
- Printable logbook export
- ICAO and IATA airport code support
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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
Verdict
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
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.
TrueAlt ships an update every 5 months, PaperLog weekly. The most recent releases landed on September 7, 2026 and July 9, 2026 respectively.
| Parameter | TrueAlt | PaperLog |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.4 — better | 17.6 |
| Further details — not scored | ||
| Size | 9 MB | 23 MB |
| Age rating | 17+ | 4+ |
| Developer | Gonzalo Adolfo Garcia Held | AeroSync Studio |
In-app purchases
TrueAlt
No in-app purchases
PaperLog
- Premium Lifetime$6.99





