Comparison

Fasoo View vs SubStandard

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

Head to head
About

Fasoo View

Securely access and view documents, both plain and encrypted, on your mobile devices. This app enables secure communication and information sharing within a protected work environment, requiring prior certificate installation.

Highlights
  • Secure document access and checkout
  • View plain and encrypted documents
  • Secure communication and information sharing
  • Attachment viewer for emails and browsers
  • Watermark enforcement
  • Zoom in/out functionality
  • Page search and navigation
Features
Read full description

Fasoo View Application allows users to download and check-out documents securely. It enables users to communicate and share information securely as well as view both plain and encrypted documents on the iPhone and iPad. Fasoo DRM is a smart and necessary security solution which enables a persistently protected work environment, allowing the work force to concentrate on the task at hand without compromising mobility and/or flexibility. *Caution : Fasoo View is allowed to be operated/used by users who install a certificate through FED-M in advance. Both encrypted documents and general documents may not be checked-out by uncertified users. Fasoo View is not intended for personal users. Key Features 1. Provide a document viewer via access control to each document 2. Attachment viewer for emails and browsers 3. Add search engine to documents being viewed through Fasoo View 4. Persistently enforce a visible or semitransparent watermark 5. Provide an ability to Zoom in/Zoom out 6. Easily search for a page, by entering the page number into the search page tool 7. Landscape/Portrait view mode option Supported File Applications - MS Word 97 ~ (*.doc, *.docx, *.dot, *.dotx) - MS PowerPoint 97 ~ (*.ppt, *.pptx, *.pps, *.ppsx. *.pot, *.potx) - MS Excel 97 ~ (*.xls, *.xlsx, *.xltx, *.csv) - Arae-A Hangul 97 ~ 3.0, 2002 ~ 2014 (*.hwp, *.hwpx) - Adobe PDF 1.2 ~ 1.7 (*.pdf) - Text file (*.txt, *.asc) - Image File (*.bmp, *.jpg, *.png, *.gif, *.wmf, *.emf, *.jpeg, *.tiff)

About

SubStandard

This aviation utility app simplifies applying cold temperature corrections for altitudes. It allows users to save frequently used altitude sets for rapid retrieval, enhancing efficiency in flight planning.

Highlights
  • Cold temperature corrections
  • Altitude set storage
  • Quick access to saved altitudes
  • Easy to use interface
Features
Read full description

SubStandard is an easy to use app to apply cold temperature corrections in aviation. Moreover, it lets you store sets of altitudes for quick access later on.

Screenshots

Fasoo View4 screens
SubStandard4 screens

Verdict

The call

Fasoo View and SubStandard both sit at 5.0 stars, but that hides the real split: 100% of Fasoo View's written reviews are positive against 0% of SubStandard's. Fasoo View also leads on update cadence (every 3 weeks vs every 7 months). SubStandard's advantage is iOS requirement (12.0 vs 15.0). On price, rating, ratings volume and ads 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Fasoo View against 5.0 for SubStandard. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews are what separate them: 100% of Fasoo View's written reviews are positive against 0% of SubStandard's.

UpkeepUpdate frequency

Fasoo View ships an update every 3 weeks, SubStandard every 7 months. The most recent releases landed on September 12, 2026 and September 9, 2026 respectively.

Scorecard3 real differences · 7 level
Fasoo View versus SubStandard: the parameters behind the verdict, then further details
ParameterFasoo ViewSubStandard
PriceFreeFree
Rating5.0 (3 ratings)5.0 (2 ratings)
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings3 — better2
Update frequencyEvery 3 weeks — betterEvery 7 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size110 MB33 MB
Age rating4+4+
DeveloperFasoo AI Co., Ltd.iService Ottner Röck

Customer experience

Fasoo View

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

SubStandard

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Fasoo View

No in-app purchases

None

SubStandard

No in-app purchases

Questions

Is Fasoo View free?
Fasoo View is free to download, with no in-app purchases.
Is SubStandard free?
SubStandard is free to download, with no in-app purchases.
Which has better reviews, Fasoo View or SubStandard?
Fasoo View and SubStandard are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.
Do Fasoo View or SubStandard have ads?
Neither Fasoo View nor SubStandard shows ads.
Which is updated more often, Fasoo View or SubStandard?
Fasoo View ships an update every 3 weeks, and SubStandard every 7 months. Most recently, Fasoo View was updated on September 12, 2026 and SubStandard on September 9, 2026.

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