# Flowdia Diagrams vs Atrigam

The clearest difference is in-app purchases: Atrigam at none against Flowdia Diagrams's 1. Flowdia Diagrams's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Flowdia Diagrams sells 1 one-off in-app purchase. Atrigam asks for nothing beyond the download.

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

## The numbers

| Metric | Flowdia Diagrams | Atrigam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (66 ratings)](https://appshunter.io/ios/app/flowdia-diagrams/id1170864140/reviews)** | — |
| Number of ratings | **66** | — |
| Positive reviews | 54.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 28 MB |
| Requires iOS | **15.0** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Behzad Gorimar](https://appshunter.io/developer/1125854088) | [Atrigam GmbH](https://appshunter.io/developer/1468082851) |

## What reviewers say

### Flowdia Diagrams

[App page](https://appshunter.io/ios/app/flowdia-diagrams/id1170864140)

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:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Premium | $9.99 | one-time |


### Atrigam

[App page](https://appshunter.io/ios/app/atrigam/id1492367635)

**In-app purchases:** none


## Frequently asked questions

### Is Flowdia Diagrams free?

Flowdia Diagrams is free to download, with in-app purchases available.

### Is Atrigam free?

Atrigam is free to download, with no in-app purchases.

### Do Flowdia Diagrams or Atrigam have ads?

Neither Flowdia Diagrams nor Atrigam shows ads.

### Which is updated more often, Flowdia Diagrams or Atrigam?

Flowdia Diagrams ships an update every 2 weeks, and Atrigam every 2 months. Most recently, Flowdia Diagrams was updated on November 2, 2026 and Atrigam on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*