# GraphMind vs K37 Simple Flows

The clearest difference is iOS requirement: K37 Simple Flows at 17.0 against GraphMind's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. GraphMind sells 3 in-app purchases, starting at $3.99 per 7 days and K37 Simple Flows sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | GraphMind | K37 Simple Flows |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 4 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [海坤 孟](https://appshunter.io/developer/1787009679) | [K37 Software LLC](https://appshunter.io/developer/1886297629) |

## What reviewers say

### GraphMind

[App page](https://appshunter.io/ios/app/graphmind-mind-mapping/id6739973700)

Visualize and organize your thoughts with an AI-powered mind mapping tool. Offers various layout templates and manual editing for effortless brainstorming, note-taking, and project planning. Export your creations as high-quality images.

**Highlights:** AI-generated mind maps, Multiple layout options, Manual node editing, Export as image, Flexible brainstorming tools

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $3.99 | per 7 days |
| Monthly Subscription | $9.99 | per month |
| Annually Subscription | $19.99 | per year |


### K37 Simple Flows

[App page](https://appshunter.io/ios/app/k37-simple-flows/id6800538438)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simple Flows Full Unlock | $2.99 | one-time |


## Frequently asked questions

### Is GraphMind free?

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

### Is K37 Simple Flows free?

K37 Simple Flows is free to download, with in-app purchases available.

### Do GraphMind or K37 Simple Flows have ads?

Neither GraphMind nor K37 Simple Flows shows ads.

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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.*