# Flowdia Diagrams vs Quae

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.

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

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.

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.

## The numbers

| Metric | Flowdia Diagrams | Quae |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (66 ratings)](https://appshunter.io/ios/app/flowdia-diagrams/id1170864140/reviews) | **[4.6 (11 ratings)](https://appshunter.io/ios/app/quae/id1555653993/reviews)** |
| Number of ratings | **66** | 11 |
| Positive reviews | 54.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 24 MB | 29 MB |
| Requires iOS | 15.0 | **12.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Behzad Gorimar](https://appshunter.io/developer/1125854088) | [Quae, Inc.](https://appshunter.io/developer/1555653995) |

## 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 |


### Quae

[App page](https://appshunter.io/ios/app/quae/id1555653993)

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

**In-app purchases:** none


## Frequently asked 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.

---

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