# HP vs Flapboard Display Screen

The clearest difference is in-app purchases: HP at none against Flapboard Display Screen's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Flapboard Display Screen sells 2 in-app purchases, starting at $6.99 per 7 days. HP asks for nothing beyond the download.

## The numbers

| Metric | HP | Flapboard Display Screen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (58 ratings)](https://appshunter.io/ios/app/hp-35/id6738010641/reviews)** | — |
| Number of ratings | **58** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | — |
| Monetization | Free | — |
| Size | 2 MB | 6 MB |
| Requires iOS | 17.2 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Enrique Haro](https://appshunter.io/developer/1778874870) | [Angel App Publishing Ltd.](https://appshunter.io/developer/412814814) |

## What reviewers say

### HP

[App page](https://appshunter.io/ios/app/hp-35/id6738010641)

Emulates classic Hewlett Packard RPN scientific calculators from the 1970s. Experience the original HP-35, HP-45, and HP-21 models on your iPhone.

**Highlights:** RPN calculator emulation, HP-35 model, HP-45 model, HP-21 model, Classic scientific calculator interface

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

**In-app purchases:** none


### Flapboard Display Screen

[App page](https://appshunter.io/ios/app/flapboard-display-screen/id6797212606)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $6.99 | per 7 days |
| Annual Subscription | $39.99 | per year |


## Frequently asked questions

### Is HP free?

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

### Is Flapboard Display Screen free?

Flapboard Display Screen is free to download, with in-app purchases available.

### Do HP or Flapboard Display Screen have ads?

Neither HP nor Flapboard Display Screen 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.*