Comparison

Therefore Go vs SiteOfSight

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

Head to head
About

Therefore Go

Access and manage your Therefore™ Information Management system on the go. Search, view, and edit documents and index data, process workflow tasks, and save files directly from your device. Supports eForms and PDF annotation.

Highlights
  • Search documents with index data filters
  • View and edit index data
  • Process workflow tasks
  • Save files and photos into Therefore™
  • Annotate PDF files
  • Access Therefore™ eForms
  • External login via Azure AD, Okta, OIDC
Read full description

A Therefore™ system is required for this app. Therefore™ Go allows users of the Therefore™ Information Management system to find Therefore™ documents, view index data, and process workflow tasks. Find Therefore™ Documents • Search for documents using index data filters or full-text search terms. View Therefore™ Documents and Edit Index Data • View documents and their associated index data directly within the app. • Export documents for viewing in a third party app. • Support for calculated fields. Process Workflow Tasks • Find workflow tasks, view their associated documents and index data, and choose from several processing options. • Receive notifications if a Therefore™ workflow instance is assigned to the user that is currently logged in or to a group the user belongs to. Save Files into Therefore™ • Documents from third party apps can be saved and categorized into Therefore™. • Save Index-data only documents. • Attach files such as documents or photos from the device’s file system. • Add photographs taken on the fly. • Documents can be saved into a preselected category. • Save documents into an open case. • Resize images before uploading them to Therefore™. Adding Files to Existing Documents • Files and photos can be added to existing documents in the repository. Annotating PDF files • Add annotations – including handwritten signatures – to PDF files saved into Therefore™ using the app. Therefore™ eForms functionality • Access and submit Therefore™ eForms. • Access draft eForms. Open .Thex and .Thel email attachments • Open links to documents and workflow instances via .Thex and .Thel files attached to emails. Opening Linked Documents • Linked documents and cases can be opened (in Search mode, Workflow mode and Thex/Thel mode). • Edit Index data of linked documents. • Add files to the content of a linked document. External Login Functionality • Logging in via Azure Active Directory. • Logging in via Okta. • Logging in via OIDC Providers (excluding Google). Mass deployment • Mass deployment of the app and configuration settings to managed devices. Crash Reporting • Functionality to allow for reporting crashes. Notes • Http connections are no longer supported. • Self signed certificates will no longer be supported in future versions of Therefore™ Go, but are currently supported in this version. To utilize Therefore Go you need to have a Therefore™ system set up, a Therefore™ server address and login credentials.

About

SiteOfSight

Features
Read full description

SiteOfSight is a mobile IFC/BIM viewer that lets you inspect building models directly on your phone - fast, fluid, and fully offline. Take your model to the job site, the office, or the field, with no internet connection required. FEATURES • 3D Model Viewing Open, rotate, and inspect complex BIM models smoothly on your phone. • buildingSMART Hierarchy Navigate, search, and filter through the Project > Site > Building > Storey > Element tree. • Floor Plan & Walk Mode Move between floors, browse the floor plan, or step inside the space with walk mode. • Section Cuts & X-Ray Cut the model along any plane, or switch to X-Ray to see through it. • Precise Measurement Snap to corners and edge midpoints for accurate distance and angle measurements. • Element Properties Tap any element to instantly see all its IFC properties, including property sets (Psets). • Offline IFC Glossary Look up IFC terminology right on your device, no internet needed. • 100% On-Device Your models and measurements never leave your device. Nothing is uploaded to any server - everything is processed locally. WHO IT'S FOR Built for architects, engineers, site managers, and BIM coordinators who need to review a model without reaching for a laptop or desktop software. Pick your own .ifc file from your device, or start instantly with the built-in sample model. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Therefore Go4 screens
SiteOfSight4 screens

Verdict

The call

The clearest difference is in-app purchases: Therefore Go at none against SiteOfSight's 2. SiteOfSight's advantage is update cadence (every 4 days vs every 3 months). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SiteOfSight sells 2 in-app purchases, starting at $9.99 per month. Therefore Go asks for nothing beyond the download.

UpkeepUpdate frequency

Therefore Go ships an update every 3 months, SiteOfSight every 4 days. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.

Scorecard2 real differences · 8 level
Therefore Go versus SiteOfSight: the parameters behind the verdict, then further details
ParameterTherefore GoSiteOfSight
PriceFreeFree
Rating3.5 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.016.4 — better
Further details — not scored
Size179 MB79 MB
Age rating4+4+
DeveloperTherefore CorporationEray Alkan

In-app purchases

None

Therefore Go

No in-app purchases

2 purchases

SiteOfSight

Subscriptions2
  • Aylık SiteOfSight Premium$9.991 Month
  • Yıllık SiteOfSight Premium$99.991 Year

Questions

Is Therefore Go free?
Therefore Go is free to download, with no in-app purchases.
Is SiteOfSight free?
SiteOfSight is free to download, with in-app purchases available.
Do Therefore Go or SiteOfSight have ads?
Neither Therefore Go nor SiteOfSight shows ads.
Which is updated more often, Therefore Go or SiteOfSight?
Therefore Go ships an update every 3 months, and SiteOfSight every 4 days. Most recently, Therefore Go was updated on October 12, 2026 and SiteOfSight on October 5, 2026.

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