# my59 vs HP16C

The clearest difference is in-app purchases: HP16C at none against my59's 3. HP16C also leads on update cadence (every 8 days vs every 2 months) and iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. my59 sells 3 in-app purchases, starting at $0.99 per month. HP16C asks for nothing beyond the download.

my59 ships an update every 2 months, HP16C every 8 days. The most recent releases landed on September 18, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | my59 | HP16C |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/hp16c/id6761774728/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | — | Free |
| Size | 6 MB | 1 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Miroslav Perovic](https://appshunter.io/developer/400748424) | [Michael Doornbos](https://appshunter.io/developer/1891405652) |

## What reviewers say

### 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 |


### HP16C

[App page](https://appshunter.io/ios/app/hp16c/id6761774728)

This app faithfully recreates the legendary HP 16C Computer Scientist calculator, offering advanced hex arithmetic, bit manipulation, and base conversion. It features RPN, keystroke programming, and modern enhancements like a two-line display and haptic feedback.

**Highlights:** Full RPN calculator, Integer arithmetic (HEX, DEC, OCT, BIN), Configurable word size (1-64 bits), Complete bit operations, Keystroke programming, Two-line display, Haptic feedback

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is my59 free?

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

### Is HP16C free?

HP16C is free to download, with no in-app purchases.

### Do my59 or HP16C have ads?

Neither my59 nor HP16C shows ads.

### Which is updated more often, my59 or HP16C?

my59 ships an update every 2 months, and HP16C every 8 days. Most recently, my59 was updated on September 18, 2026 and HP16C on September 21, 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.*