# HP vs my59

The clearest difference is in-app purchases: HP at none against my59's 3. HP also leads on update cadence (every 11 days vs every 5 weeks) and iOS requirement (17.2 vs 26.0). my59's advantage is device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. my59 sells 3 in-app purchases, starting at $0.99 per month. HP asks for nothing beyond the download.

HP ships an update every 11 days, my59 every 5 weeks. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | HP | my59 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/hp-35/id6738010641/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 5 weeks |
| Monetization | Free | — |
| Size | 2 MB | 11 MB |
| Requires iOS | **17.2** | 26.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Enrique Haro](https://appshunter.io/developer/1778874870) | [Miroslav Perovic](https://appshunter.io/developer/400748424) |

## 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


### my59

[App page](https://appshunter.io/ios/app/my59/id6759532452)

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $9.99 | per year |
| Unlock Full App | $19.99 | one-time |


## Frequently asked questions

### Is HP free?

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

### Is my59 free?

my59 is free to download, with in-app purchases available.

### Do HP or my59 have ads?

Neither HP nor my59 shows ads.

### Which is updated more often, HP or my59?

HP ships an update every 11 days, and my59 every 5 weeks. Most recently, HP was updated on October 8, 2026 and my59 on October 16, 2026.

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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.*