Comparison

Fasoo Secure Viewer vs RosterSync

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

Head to head
About

Fasoo Secure Viewer

Read full description

Fasoo Secure Viewer is a document security solution optimized for mobile environments. It offers significantly improved security features compared to previous versions, greatly enhancing the user experience. With Fasoo Secure Viewer, users can securely access encrypted documents on their devices anytime, anywhere, and perform their tasks efficiently. Note: The Fasoo Secure Viewer app is only available for users authenticated in FED-M. Non-authenticated users will not be able to access both encrypted and non-encrypted plain documents. Main features: - Supports document viewing and editing with permission-based access control. ※ Available document permissions may vary depending on the purchased license type and administrator settings. - Displays screen watermarks. - Prevents screen captures. - Provides features for document search and management. - Controls document access based on location. Supported file formats 1. View & Edit - MS Word 97 ~ (*.doc, *.docx, *.dot, *.dotx) - MS PowerPoint 97 ~ (*.ppt, *.pptx, *.pps, *.ppsx. *.pot, *.potx) - MS Excel 97 ~ (*.xls, *.xlsx, *.xltx, *.csv) - Adobe PDF 1.2 ~ 1.7 (*.pdf) 2. View only - Hangul 97 ~ 3.0, 2002 ~ 2014 (*.hwp, *.hwpx) - Text files (*.txt) - Image files (*.bmp, *.jpg, *.png, *.gif, *.wmf, *.emf, *.jpeg, *.tiff)

About

RosterSync

Manage and share your flight schedules with airline crew. This utility automatically syncs your roster, offers robust security for login credentials, and allows real-time schedule comparison with colleagues. Export your schedule to your native calendar for seamless organization.

Highlights
  • Automated schedule sync
  • Secure credential storage
  • Real-time schedule sharing
  • Cross-comparison with colleagues
  • Calendar export (iCloud/Google)
  • Privacy permission settings
Features
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A New Standard for Your Flight Life, RosterSync! RosterSync is a smart utility designed for busy airline crew members to easily manage and securely share their complex flight rosters. With a sleek deep-sea theme and robust security features, we make your aviation life more comfortable and organized. [Key Features] 1. Smart Automated Schedule Sync Log in just once to your airline portal, and RosterSync will automatically parse your complex flight schedule and display it beautifully on the in-app calendar. Easily check your layovers, off days, and flight numbers at a glance. 2. Ironclad Security with Apple Keychain Your valuable airline portal login credentials (Employee ID and Password) are securely encrypted and stored ONLY within your iPhone's native 'Keychain'. They are NEVER transmitted to any external server, ensuring your absolute privacy. 3. Real-Time Schedule Sharing & Comparison Add colleagues via social login (Apple, Google) and cross-compare your schedules in real-time. Instantly see "who is flying where" and maintain your privacy with detailed search permission settings (e.g., Public, Same Airline Only, Private). 4. Calendar Export (iCloud & Google) Seamlessly export your RosterSync schedule to your native iOS Calendar or Google Calendar. For iCloud accounts, the app can automatically create a dedicated orange 'RosterSync' calendar to keep things perfectly organized! Start a smarter, more enjoyable flight life with RosterSync today!

Screenshots

Fasoo Secure Viewer4 screens
RosterSync3 screens

Verdict

The call

The clearest difference is in-app purchases: Fasoo Secure Viewer at none against RosterSync's 1. Fasoo Secure Viewer also leads on ads (none vs shown) and iOS requirement (15.0 vs 18.0). RosterSync's advantage is update cadence (every 3 days vs every 6 weeks). On price and device support 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. RosterSync sells 1 one-off in-app purchase. Fasoo Secure Viewer asks for nothing beyond the download.

UpkeepUpdate frequency

Fasoo Secure Viewer ships an update every 6 weeks, RosterSync every 3 days. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

Scorecard4 real differences · 6 level
Fasoo Secure Viewer versus RosterSync: the parameters behind the verdict, then further details
ParameterFasoo Secure ViewerRosterSync
PriceFreeFree
Rating—5.0 (3 ratings) — better
Positive reviews—80.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 6 weeksEvery 3 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, Apple Watch
Requires iOS15.0 — better18.0
Further details — not scored
Size118 MB62 MB
Age rating4+4+
DeveloperFasoo AI Co., Ltd.AeroSync Studio

In-app purchases

None

Fasoo Secure Viewer

No in-app purchases

1 purchases

RosterSync

One-time1
  • Pro 버전 업그레이드$2.99

Questions

Is Fasoo Secure Viewer free?
Fasoo Secure Viewer is free to download, with no in-app purchases.
Is RosterSync free?
RosterSync is free to download, with in-app purchases available.
Do Fasoo Secure Viewer or RosterSync have ads?
RosterSync shows ads; Fasoo Secure Viewer does not.
Which is updated more often, Fasoo Secure Viewer or RosterSync?
Fasoo Secure Viewer ships an update every 6 weeks, and RosterSync every 3 days. Most recently, Fasoo Secure Viewer was updated on October 10, 2026 and RosterSync on October 12, 2026.

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