# Flowdia Diagrams vs SimVSM

The clearest difference is review sentiment: Flowdia Diagrams at 54% against SimVSM's 0%. Flowdia Diagrams also leads on rating (3.4 vs 2.0) and ratings volume (66 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Flowdia Diagrams sells 1 one-off in-app purchase and SimVSM sells 9 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

Flowdia Diagrams holds the better App Store score, 3.4 against 2.0. That said, the two scores are not equally well evidenced: Flowdia Diagrams has 66 ratings behind it against 1, 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 0% of SimVSM's.

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

## The numbers

| Metric | Flowdia Diagrams | SimVSM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (66 ratings)](https://appshunter.io/ios/app/flowdia-diagrams/id1170864140/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/simvsm/id1212829700/reviews) |
| Number of ratings | **66** | 1 |
| Positive reviews | **54.2% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 24 MB | 27 MB |
| Requires iOS | **15.0** | 15.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Behzad Gorimar](https://appshunter.io/developer/1125854088) | [SimPlan AG](https://appshunter.io/developer/1091504286) |

## 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 |


### SimVSM

[App page](https://appshunter.io/ios/app/simvsm/id1212829700)

Easily create and document value streams on your mobile device. Visualize process steps, calculate KPIs, and identify areas for improvement. Offers free basic functionality with optional subscriptions for advanced features like printing and simulation.

**Highlights:** Drag & drop value stream modeling, Digital and visual documentation, Calculation of static KPIs, Dynamic cycle time and flow rate calculation, Classification of value-adding/non-value-adding steps, Plausibility checks during modeling, Multiple view modes

**Features:** Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VSM 4.0 subscription | $8.99 | per month |
| Standard | $8.99 | per month |
| Premium (monthly) | $24.99 | per month |
| VSM 4.0 | $71.99 | per year |
| Standard (Annual) | $89.99 | per year |
| Premium (annual) | $249.00 | per year |
| Ultimate subscription | $449.00 | per month |
| Free simulation runs | Free | one-time |
| Expert addon | $49.99 | one-time |


## Frequently asked questions

### Is Flowdia Diagrams free?

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

### Is SimVSM free?

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

### Which has better reviews, Flowdia Diagrams or SimVSM?

Flowdia Diagrams is rated higher. Flowdia Diagrams averages 3.4 out of 5 from 66 ratings, while SimVSM averages 2.0 from 1 ratings.

### Do Flowdia Diagrams or SimVSM have ads?

Neither Flowdia Diagrams nor SimVSM shows ads.

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

Flowdia Diagrams ships an update every 2 weeks, and SimVSM every 6 weeks. Most recently, Flowdia Diagrams was updated on October 24, 2026 and SimVSM on October 13, 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.*