Comparison

mos.viewer vs DiagramAI

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

Head to head
About

mos.viewer

Read full description

With the mos.viewer app, you can effortlessly access a real-time demo of your newly developed app with Mobility Suite mos. As a handy development tool, mos.viewer allows you to preview the look and feel of your app, providing a comprehensive platform to check and optimize its functions. How it works: Open mos.launcher, scan QR with mos.viewer, and have your app demo readily available. Utilize mos.viewer for: โ€ข Real-time Testing: Leverage mos.viewer as a development tool and check your app in real-time across various devices, platforms, and operating systems. โ€ข Visual and Functional Evaluation: Evaluate and optimize the visual and functional aspects of your app, refining its user interface for enhanced user-friendliness and visual appeal. โ€ข Element Library: Access a comprehensive library of different elements used in your app. โ€ข Proof of Concept Presentation: Impress your product managers with the simplicity of presenting the proof of concept. โ€ข Stakeholder Feedback: Showcase the development progress of your app and gather valuable feedback from customers and stakeholders. Perfect for agile app development. โ€ข Inspiration and Potential: Explore showcases of apps developed with Mobility Suite mos., gaining inspiration for your app development. Understand the potential and possibilities that Mobility Suite mos. offers for your creative endeavors.

About

DiagramAI

Features
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Turn your ideas into clear, professional architecture diagrams in seconds. Whether you are an engineer planning a new system, a team lead explaining a complex infrastructure, or a consultant documenting a client's platform, this tool gives you the power to model software architectures with precision and speed. Write your architecture as structured code and see it come to life as an interactive, fully rendered diagram โ€” no manual positioning, no drag-and-drop frustration. Key capabilities: - Live preview that updates as you type, so your diagram always reflects your latest thinking. - Built-in AI assistant that generates architecture code from plain text descriptions. Describe what you want and copy the result directly into your diagram. - Intuitive toolbar with quick-insert actions for actors, systems, containers, components, relations, tags, and styles. - Fullscreen presentation mode, designed for sharing your diagrams on-screen with colleagues or stakeholders. - Export your diagrams in multiple formats, including SVG, HTML, and Markdown. - Backup and restore all your work at any time. - Dark mode and light mode support. - Example diagrams included to help you get started immediately. - Available in English and Spanish. Stop drawing boxes and arrows by hand. Start designing with clarity.

Screenshots

mos.viewer4 screens
DiagramAI4 screens

Verdict

The call

The clearest difference is ads: mos.viewer at none against DiagramAI's shown. mos.viewer also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

mos.viewer ships an update every 4 months, DiagramAI every 6 months. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.

Scorecard2 real differences ยท 4 level
mos.viewer versus DiagramAI: the parameters behind the verdict, then further details
Parametermos.viewerDiagramAI
PriceFreeFree
Update frequencyEvery 4 months โ€” betterEvery 6 months
AdsNo โ€” betterYes
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod โ€” better
Requires iOS13.0 โ€” better15.0
Further details โ€” not scored
Size23 MB149 MB
Age rating4+4+
DeveloperFabrik 19 AGDaniel Nowendsztern

In-app purchases

None

mos.viewer

No in-app purchases

None

DiagramAI

No in-app purchases

Questions

Is mos.viewer free?
mos.viewer is free to download, with no in-app purchases.
Is DiagramAI free?
DiagramAI is free to download, with no in-app purchases.
Do mos.viewer or DiagramAI have ads?
DiagramAI shows ads; mos.viewer does not.
Which is updated more often, mos.viewer or DiagramAI?
mos.viewer ships an update every 4 months, and DiagramAI every 6 months. Most recently, mos.viewer was updated on October 14, 2026 and DiagramAI on October 12, 2026.

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