# PaperTrail AI Document Manager vs FlowStack

The clearest difference is in-app purchases: FlowStack at none against PaperTrail AI Document Manager's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PaperTrail AI Document Manager sells 1 one-off in-app purchase. FlowStack asks for nothing beyond the download.

## The numbers

| Metric | PaperTrail AI Document Manager | FlowStack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 5 months |
| Size | 13 MB | 1 MB |
| Requires iOS | **26.0** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Marius Cristian Mischie](https://appshunter.io/developer/1864040032) | [David Castellano](https://appshunter.io/developer/1892146693) |

## What reviewers say

### PaperTrail AI Document Manager

[App page](https://appshunter.io/ios/app/papertrail-ai-document-manager/id6757190635)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $8.99 | one-time |


### 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 PaperTrail AI Document Manager free?

PaperTrail AI Document Manager is free to download, with in-app purchases available.

### Is FlowStack free?

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

### Do PaperTrail AI Document Manager or FlowStack have ads?

Neither PaperTrail AI Document Manager 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.*