Flowdia Diagrams vs Trigonometric Calculation
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
Trigonometric Calculation
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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
Verdict
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
Both are free to download. Flowdia Diagrams sells 1 one-off in-app purchase. Trigonometric Calculation asks for nothing beyond the download.
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.
| Parameter | Flowdia Diagrams | Trigonometric Calculation |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (66 ratings) — better | — |
| Positive reviews | 54.2% of reviews | — |
| Number of ratings | 66 — better | — |
| Update frequency | Every 2 weeks — better | Every 6 weeks |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 24 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Behzad Gorimar | Risako Asai |
In-app purchases
Flowdia Diagrams
- Upgrade to Premium$9.99
Trigonometric Calculation
No in-app purchases
Questions
Is Flowdia Diagrams free?
Is Trigonometric Calculation free?
Do Flowdia Diagrams or Trigonometric Calculation have ads?
Which is updated more often, Flowdia Diagrams or Trigonometric Calculation?
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