Comparison

Stackfield vs PortApp

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

Head to head
About

Stackfield

This app provides an integrated platform for teams to manage projects, tasks, and documents collaboratively. It offers secure communication channels and data protection with end-to-end encryption, ensuring compliance and data control.

Highlights
  • Workspace creation
  • Team and compliance management
  • Secure team communication
  • Task and document management
  • Calendar integration
  • End-to-end encryption
Features
Read full description

Stackfield is an all-in-one project management tool that enables collaborative work on tasks, documents, and projects – with the option to protect data using end-to-end encryption when required. What features does Stackfield offer? • Create a dedicated workspace for each project or department • Manage your team and the compliance guidelines centrally • Communicate with your team at any time via group chats, discussions, or comments • Each workspace includes the essential tools for everyday work: chat, discussions, documents, task and file management, and a calendar Who is Stackfield for? Stackfield is designed for teams of all sizes that collaborate on projects and communicate with one another, especially when data security is a key concern. Stackfield is based in Germany, is GDPR-compliant, ISO-certified, and hosts all data exclusively in German data centers. Thanks to client-side encryption, you retain full control over your data at all times.

About

PortApp

Features
Read full description

Diese App durchsucht die druckgraphischen Porträts der HAB Wolfenbüttel nach Ähnlichkeit zu einem von Ihnen bestimmten Bild. Sie können dafür in der Porträtsammlung ein Bild auswählen oder ein eigenes Bild hochladen. Hochgeladene Bilder werden nach der Auswertung sofort gelöscht. Projektbeteiligte • Projektleitung: Dr. Hartmut Beyer (HAB), Prof. Dr. Thomas Mandl (Universität Hildesheim) und Dr. Hole Rößler (HAB) • Programmierung Bildähnlichkeitssuche: Sebastian Diem (Universität Hildesheim) • Kunsthistorische Bearbeitung: Dr. Nina Niedermeier und Mira Marx (HAB) • App-Entwicklung: AppPlusMobile Systemhaus GmbH, Dortmund • Finanzierung: Das Projekt wurde finanziert vom Niedersächsischen Ministerium für Wissenschaft und Kultur aus Mitteln des Niedersächsischen Vorab.

Screenshots

Stackfield4 screens
PortApp4 screens

Verdict

The call

The clearest difference is update cadence: Stackfield at every 3 months against PortApp's every 10 months. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Stackfield ships an update every 3 months, PortApp every 10 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

Scorecard1 real difference · 9 level
Stackfield versus PortApp: the parameters behind the verdict, then further details
ParameterStackfieldPortApp
PriceFreeFree
Rating1.3 (3 ratings) — better—
Positive reviews48.5% of reviews—
Number of ratings3 — better—
Update frequencyEvery 3 months — betterEvery 10 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreemium—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size6 MB24 MB
Age rating4+12+
DeveloperStackfield GmbHAppPlusMobile Systemhaus GmbH

In-app purchases

None

Stackfield

No in-app purchases

None

PortApp

No in-app purchases

Questions

Is Stackfield free?
Stackfield is free to download, with no in-app purchases.
Is PortApp free?
PortApp is free to download, with no in-app purchases.
Do Stackfield or PortApp have ads?
Neither Stackfield nor PortApp shows ads.
Which is updated more often, Stackfield or PortApp?
Stackfield ships an update every 3 months, and PortApp every 10 months. Most recently, Stackfield was updated on October 24, 2026 and PortApp on October 30, 2026.

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