# noteriv vs FlowStack

The clearest difference is iOS requirement: noteriv at 15.1 against FlowStack's 26.2. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | noteriv | FlowStack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 months |
| Size | 33 MB | 1 MB |
| Requires iOS | **15.1** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [IronStack LLC](https://appshunter.io/developer/1874349209) | [David Castellano](https://appshunter.io/developer/1892146693) |

## What reviewers say

### noteriv

[App page](https://appshunter.io/ios/app/noteriv/id6761115699)

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

**In-app purchases:** none


### FlowStack

[App page](https://appshunter.io/ios/app/flowstack-ai/id6761936853)

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

**In-app purchases:** none


## Frequently asked questions

### Is noteriv free?

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

### Is FlowStack free?

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

### Do noteriv or FlowStack have ads?

Neither noteriv nor FlowStack 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.*