Comparison

expo vs DiagramAI

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

Head to head
About

expo

Provides developers with comprehensive React Native and Expo development examples. Learn to set up projects, use Expo tools for efficiency, and master common techniques for simple or complex applications.

Highlights
  • React Native development examples
  • Expo tool integration
  • Project setup guidance
  • Development efficiency techniques
  • Common development patterns
Features
Read full description

This app offers developers a complete set of development examples based on React Native and Expo. Whether you're new to React Native or have some development experience, you'll find valuable resources here. The app includes detailed implementation examples, with clear steps and easy-to-understand instructions. By using this app, you’ll learn how to set up a React Native project, use Expo tools to boost your development efficiency, and master some common development techniques. Whether you’re building a simple app or tackling more complex projects, this app will provide the support you need.

About

DiagramAI

Features
Read full description

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 — 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

expo3 screens
DiagramAI4 screens

Verdict

The call

The clearest difference is in-app purchases: DiagramAI at none against expo's 8. expo's advantage is ads (none vs shown) and update cadence (monthly vs every 6 months). On price, 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. expo sells 6 one-off in-app purchases. DiagramAI asks for nothing beyond the download.

UpkeepUpdate frequency

expo ships an update monthly, DiagramAI every 6 months. The most recent releases landed on July 7, 2026 and September 18, 2026 respectively.

Scorecard3 real differences · 6 level
expo versus DiagramAI: the parameters behind the verdict, then further details
ParameterexpoDiagramAI
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyMonthly — betterEvery 6 months
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.115.0 — better
Further details — not scored
Size223 MB149 MB
Age rating17+4+
Developer山峰 唐Daniel Nowendsztern

In-app purchases

6 purchases

expo

One-time6
  • A Lollipop2 variants$0.99
  • A Chocolate Bar2 variants$1.99
  • A Cup of Coffee$2.99
Show 3 more
  • A Cup of Coffee$3.99
  • A Burger Meal$4.99
  • RN Docs$4.99
None

DiagramAI

No in-app purchases

Questions

Is expo free?
expo is free to download, with in-app purchases available.
Is DiagramAI free?
DiagramAI is free to download, with no in-app purchases.
Do expo or DiagramAI have ads?
DiagramAI shows ads; expo does not.
Which is updated more often, expo or DiagramAI?
expo ships an update monthly, and DiagramAI every 6 months. Most recently, expo was updated on July 7, 2026 and DiagramAI on September 18, 2026.

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