# OpenAttention vs Hostinflu

OpenAttention and Hostinflu are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | OpenAttention | Hostinflu |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 3 MB | 92 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Qingwen Lu](https://appshunter.io/developer/1879386634) | [Sam Wazidi](https://appshunter.io/developer/6783520074) |

## What reviewers say

### OpenAttention

[App page](https://appshunter.io/ios/app/openattention/id6779374361)

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

**In-app purchases:** none


### Hostinflu

[App page](https://appshunter.io/ios/app/hostinflu/id6783520072)

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

**In-app purchases:** none


## Frequently asked questions

### Is OpenAttention free?

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

### Is Hostinflu free?

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

### Do OpenAttention or Hostinflu have ads?

Neither OpenAttention nor Hostinflu 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.*