Comparison

Flowdia Diagrams vs Trigonometric Calculation

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

Trigonometric Calculation

Features
Read full description

This is a calculation application for finding angles and side lengths of triangles. 1 We would appreciate a review if there are any problems such as calculation glitches. 2 I hope you will use this application for simple calculations. Please understand that we cannot be held responsible for any impact or disadvantage related to the quality of production activities caused by the calculations in this application.

Screenshots

Flowdia Diagrams4 screens
Trigonometric Calculation4 screens

Verdict

The call

The clearest difference is in-app purchases: Trigonometric Calculation at none against Flowdia Diagrams's 1. Flowdia Diagrams's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 6 weeks). 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. Flowdia Diagrams sells 1 one-off in-app purchase. Trigonometric Calculation asks for nothing beyond the download.

UpkeepUpdate frequency

Flowdia Diagrams ships an update every 2 weeks, Trigonometric Calculation every 6 weeks. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

Scorecard3 real differences · 7 level
Flowdia Diagrams versus Trigonometric Calculation: the parameters behind the verdict, then further details
ParameterFlowdia DiagramsTrigonometric Calculation
PriceFreeFree
Rating3.4 (66 ratings) — better—
Positive reviews54.2% of reviews—
Number of ratings66 — better—
Update frequencyEvery 2 weeks — betterEvery 6 weeks
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.5
Further details — not scored
Size24 MB5 MB
Age rating4+4+
DeveloperBehzad GorimarRisako Asai

In-app purchases

1 purchases

Flowdia Diagrams

One-time1
  • Upgrade to Premium$9.99
None

Trigonometric Calculation

No in-app purchases

Questions

Is Flowdia Diagrams free?
Flowdia Diagrams is free to download, with in-app purchases available.
Is Trigonometric Calculation free?
Trigonometric Calculation is free to download, with no in-app purchases.
Do Flowdia Diagrams or Trigonometric Calculation have ads?
Trigonometric Calculation shows ads; Flowdia Diagrams does not.
Which is updated more often, Flowdia Diagrams or Trigonometric Calculation?
Flowdia Diagrams ships an update every 2 weeks, and Trigonometric Calculation every 6 weeks. Most recently, Flowdia Diagrams was updated on October 24, 2026 and Trigonometric Calculation on October 13, 2026.

Other comparisons