# Arg0 vs K37 Simple Flows

The clearest difference is in-app purchases: Arg0 at none against K37 Simple Flows's 1. Arg0 also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. K37 Simple Flows sells 1 one-off in-app purchase. Arg0 asks for nothing beyond the download.

## The numbers

| Metric | Arg0 | K37 Simple Flows |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Size | 47 MB | 4 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CheeckBox,LLC](https://appshunter.io/developer/1806612490) | [K37 Software LLC](https://appshunter.io/developer/1886297629) |

## What reviewers say

### Arg0

[App page](https://appshunter.io/ios/app/arg0/id6778679818)

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

**In-app purchases:** none


### 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 Arg0 free?

Arg0 is free to download, with no in-app purchases.

### Is K37 Simple Flows free?

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

### Do Arg0 or K37 Simple Flows have ads?

Neither Arg0 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.*