# Mail Sentinel vs OrchIA

The clearest difference is in-app purchases: Mail Sentinel at none against OrchIA's 3. OrchIA's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. OrchIA sells 3 one-off in-app purchases. Mail Sentinel asks for nothing beyond the download.

## The numbers

| Metric | Mail Sentinel | OrchIA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Size | 4 MB | 6 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [Sky Benson](https://appshunter.io/developer/1839805807) | [Quentin Lemarie Bourseau](https://appshunter.io/developer/1892134390) |

## What reviewers say

### Mail Sentinel

[App page](https://appshunter.io/ios/app/mail-sentinel/id6757452962)

**Features:** macOS Compatibility

**In-app purchases:** none


### OrchIA

[App page](https://appshunter.io/ios/app/orchia/id6770257620)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OrchIA Credits - Small | $14.99 | one-time |
| OrchIA Credits Standard | $37.99 | one-time |
| OrchIA Credits Large | $149.99 | one-time |


## Frequently asked questions

### Is Mail Sentinel free?

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

### Is OrchIA free?

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

### Do Mail Sentinel or OrchIA have ads?

Neither Mail Sentinel nor OrchIA 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.*