Comparison

Flowdia Diagrams vs Quae

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

Head to head
About

Flowdia Diagrams

Create professional flowcharts, mind maps, and various other diagrams with an intuitive interface. Easily connect shapes, add elements, and customize your designs. Export your work in multiple formats, including PNG, JPG, PDF, and SVG.

Highlights
  • Create flowcharts, mind maps, BPMN, and network diagrams
  • Intuitive shape connection and element addition
  • Customizable shape appearance
  • Export to PNG, JPG, PDF, and SVG
  • Import custom images
  • Supports various UML diagram types
Features
Read full description

Flowdia is an easy to use flow diagram tool that can be used to quickly create professional quality flowcharts, mind maps, BPMN, network and server layouts, Cisco network, Rack diagram, UML activity, business process and process flow diagrams. The app is designed with ease of use in mind. You can quickly connect flowchart shapes by simply selecting the start and end connection points and quickly add new lanes to a swimlane diagram or new sub-topics to a mind map diagram by using "+" button from the selected swimlane or mind map shape menu. The mind map sub-topics are automatically positioned on the page but can be easily moved as required. Flowdia supports export of the diagram / flowchart to PNG, JPG, PDF and SVG formats.You can view exported SVG files in Microsoft Visio. You can import custom PNG and JPG images. The following diagrams can be created using Flowdia: - Flowchart - Swimlanes - Mind Maps - BPMN - Network Diagram - AWS Architecture Diagram - Cisco Network Diagram - Server Layout Diagram - Rack Diagram - UML Class Diagram - UML Activity Diagram - UML Use Case Diagram - UML Sequence Diagram - Business Process Diagram - Process Flow - Chevron Diagram You can quickly select and change BPMN activity, event and gateway types by using the special shape selector available to all BPMN shapes. The flowchart shapes in this tool are not images can be re-sized without loosing quality. You can customize the look of the shapes by applying background color and also change the font color and size of the text. **NOTE: Free version of Flowdia is restricted to: - 4 files. - 1 page per diagram. - Cannot remove or duplicate pages. - Image and PDF exports with watermark

About

Quae

Create and vote on petitions for your community, school, or workplace. Collaborate with others to voice your concerns and gain the attention of decision-makers. It's a platform for collective action and civic engagement.

Highlights
  • Create petitions
  • Vote on proposals
  • Community collaboration
  • Engage leaders
  • Civic action platform
Read full description

Quae is a community-driven voting platform that allows you to create petitions about issues in your city, school, or company. Use Quae to work with your peers, vote on proposals, and get the attention of your leaders.

Screenshots

Flowdia Diagrams4 screens
Quae4 screens

Verdict

The call

The clearest difference is review sentiment: Quae at 100% against Flowdia Diagrams's 54%. Quae also leads on rating (4.6 vs 3.4) and in-app purchases (none vs 1). Flowdia Diagrams's advantage is ratings volume (66 vs 11). On price, update cadence, ads 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. Flowdia Diagrams sells 1 one-off in-app purchase. Quae asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Quae holds the better App Store score, 4.6 against 3.4. That said, the two scores are not equally well evidenced: Flowdia Diagrams has 66 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 54% of Flowdia Diagrams's written reviews are positive against 100% of Quae's.

UpkeepUpdate frequency

Flowdia Diagrams ships an update every 2 weeks, Quae every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
Flowdia Diagrams versus Quae: the parameters behind the verdict, then further details
ParameterFlowdia DiagramsQuae
PriceFreeFree
Rating3.4 (66 ratings)4.6 (11 ratings) — better
Positive reviews54.2% of reviews100.0% of reviews — better
Number of ratings66 — better11
Update frequencyEvery 2 weeks — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.4 — better
Further details — not scored
Size24 MB29 MB
Age rating4+4+
DeveloperBehzad GorimarQuae, Inc.

Customer experience

Flowdia Diagrams

All ratings66 ratings
Positive57.6%
Neutral10.6%
Negative31.8%
Written reviews142 reviews
Positive54.2%
Neutral14.8%
Negative31.0%

Quae

All ratings11 ratings
Positive90.9%
Neutral0.0%
Negative9.1%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Flowdia Diagrams

One-time1
  • Upgrade to Premium$9.99
None

Quae

No in-app purchases

Questions

Is Flowdia Diagrams free?
Flowdia Diagrams is free to download, with in-app purchases available.
Is Quae free?
Quae is free to download, with no in-app purchases.
Which has better reviews, Flowdia Diagrams or Quae?
Quae is rated higher. Flowdia Diagrams averages 3.4 out of 5 from 66 ratings, while Quae averages 4.6 from 11 ratings.
Do Flowdia Diagrams or Quae have ads?
Neither Flowdia Diagrams nor Quae shows ads.
Which is updated more often, Flowdia Diagrams or Quae?
Flowdia Diagrams ships an update every 2 weeks, and Quae every 3 weeks. Most recently, Flowdia Diagrams was updated on November 2, 2026 and Quae on November 3, 2026.

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