sSL vs Jeppesen FliteDeck Advisor
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
sSL
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Sync Library is a professional macOS utility designed to extract, organize, and access aviation operational data from supported gateways in a clean, reliable, and platform-native way. Built for modern documentation and performance workflows, Sync Library gives you direct ownership of your data, without locking it into a proprietary viewer or format. Supported gateways β’ FSA Gateway β’ Blink Gateway What you can extract β’ Operational manuals β’ XML β’ PDF β’ Performance and loadsheet data β’ Zipped data sets, preserved as delivered Key features β’ Direct links to extracted files for immediate opening in Finder or your preferred applications β’ Secure gateway connections, with optional certificate verification control β’ Clear and structured file output for easy indexing, search, and reuse β’ Optimized for desktop workflows on macOS, with the same data model shared across iOS and iPadOS β’ No dependency on a built-in reader: use Spotlight, external PDF tools, XML parsers, or your own workflows Designed for professionals Sync Library fits naturally into environments where documentation and performance data need to be accessed offline, archived, searched, or processed by external tools. It focuses on reliability, transparency, and interoperability rather than presentation. Whether you need to consult manuals, analyze XML content, or reuse performance data in third-party software, Sync Library keeps your extracted files accessible and under your control.
Jeppesen FliteDeck Advisor
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Jeppesen FliteDeck Advisor is a flight optimization application providing pilots with real-time, in-flight, tail specific speed advisories to reduce fuel burn, flight schedule, and saves money. Some of the key capabilities the application provides include: β’ Registration based on Jeppesen Delivery Manager Pro (JDM Pro) β Users can now access the application using the JDM Pro activation link sent in their email. Users can also use the current activation code mechanism when JDM Pro is unavailable. β’ Tail number selection β Users can effortlessly select their desired tail number by leveraging the picker's search and sorting functionalities, simplifying the tail selection process. β’ Ability to show and hide sections based on aircraft phase β Users can easily expand or collapse sections for a customized viewing experience; for instance, collapse the climb phase during cruise for streamlined focus. β’ Support for light and dark themes β Users can view the application as per their viewing preference and switch to dark mode for better visibility in low-light conditions. β’ TSP Management β Users can view all the available Tail Specific Parameters (TSPs) and download the latest configuration package. β’ EULA β End User License Agreement (EULA) is now available within the application where users can view, print and download the EULA document in PDF format. β’ Includes recommended cruise speed β’ Includes recommended climb speed
Screenshots
Verdict
The clearest difference is price: Jeppesen FliteDeck Advisor at Free against sSL's $2.99. sSL's advantage is device support (3 vs 1). On update cadence, ads, in-app purchases and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Jeppesen FliteDeck Advisor is free to download; sSL costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
sSL ships an update every 2 months, Jeppesen FliteDeck Advisor every 6 weeks. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.
| Parameter | sSL | Jeppesen FliteDeck Advisor |
|---|---|---|
| Price | $2.99 | Free β better |
| Update frequency | Every 2 months | Every 6 weeks β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, Mac β better | iPad |
| Requires iOS | 18.0 | 17.0 β better |
| Further details β not scored | ||
| Size | 2 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Philippe Le Gall | The Boeing Company |
In-app purchases
sSL
No in-app purchases
Jeppesen FliteDeck Advisor
No in-app purchases





