# syntheticdocs vs ContextFlow

The clearest difference is in-app purchases: syntheticdocs at none against ContextFlow's 2. ContextFlow's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. ContextFlow sells 2 in-app purchases, starting at $1.99 per month. syntheticdocs asks for nothing beyond the download.

## The numbers

| Metric | syntheticdocs | ContextFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 2 days |
| Size | 24 MB | 3 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | — | **iPhone, iPad, Mac** |
| Age rating | 4+ | 12+ |
| Developer | [Serendipity AI Limited](https://appshunter.io/developer/1441974454) | [Aliaksandr Liubchanka](https://appshunter.io/developer/1435734178) |

## What reviewers say

### syntheticdocs

[App page](https://appshunter.io/ios/app/syntheticdocs/id6478117546)

**In-app purchases:** none


### ContextFlow

[App page](https://appshunter.io/ios/app/contextflow-ai-for-safari/id6759115793)

**Features:** Safari Extension, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BYOK Subscription | $1.99 | per month |
| Pro Subscription | $6.99 | per month |


## Frequently asked questions

### Is syntheticdocs free?

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

### Is ContextFlow free?

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

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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.*