Comparison

Fasoo Secure Viewer vs OffDays Alarm

Price, ratings, monetisation and update history for both apps, side by side β€” 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. β€» 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

OffDays Alarm

Features
Read full description

OffDays Alarm helps you keep recurring alarms active without getting woken up on public holidays or your own custom off days. Choose a supported holiday region, add personal off days, and let the app automatically skip alarms when you do not need them. You can manage alarm time, repeat days, snooze, and labels in one place, making it a practical fit for work schedules, school days, medication reminders, and daily routines. Supported Off-Day Calendars: South Korea, United States, Canada, United Kingdom, Australia, Singapore, Japan, Taiwan, India, China, Hong Kong, Germany, France, Spain

Screenshots

Fasoo Secure Viewer4 screens
OffDays Alarm3 screens

Verdict

The call

The clearest difference is ads: Fasoo Secure Viewer at none against OffDays Alarm's shown. Fasoo Secure Viewer also leads on iOS requirement (15.0 vs 26.0). OffDays Alarm's advantage is update cadence (every 10 days vs every 6 weeks). On price, in-app purchases and device support 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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Fasoo Secure Viewer ships an update every 6 weeks, OffDays Alarm every 10 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

Scorecard3 real differences Β· 3 level
Fasoo Secure Viewer versus OffDays Alarm: the parameters behind the verdict, then further details
ParameterFasoo Secure ViewerOffDays Alarm
PriceFreeFree
Update frequencyEvery 6 weeksEvery 10 days β€” better
AdsNo β€” betterYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS15.0 β€” better26.0
Further details β€” not scored
Size118 MB15 MB
Age rating4+4+
DeveloperFasoo AI Co., Ltd.Sung Ahn Kim

In-app purchases

None

Fasoo Secure Viewer

No in-app purchases

None

OffDays Alarm

No in-app purchases

Questions

Is Fasoo Secure Viewer free?
Fasoo Secure Viewer is free to download, with no in-app purchases.
Is OffDays Alarm free?
OffDays Alarm is free to download, with no in-app purchases.
Do Fasoo Secure Viewer or OffDays Alarm have ads?
OffDays Alarm shows ads; Fasoo Secure Viewer does not.
Which is updated more often, Fasoo Secure Viewer or OffDays Alarm?
Fasoo Secure Viewer ships an update every 6 weeks, and OffDays Alarm every 10 days. Most recently, Fasoo Secure Viewer was updated on October 30, 2026 and OffDays Alarm on November 5, 2026.

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