# shenqiwei vs HP16C

The clearest difference is iOS requirement: shenqiwei at 11.0 against HP16C's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

shenqiwei ships an update every 5 days, HP16C weekly. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | shenqiwei | HP16C |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (4 ratings)](https://appshunter.io/ios/app/hp16c/id6761774728/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | — | Free |
| Size | 489 MB | 1 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [jinsong liu](https://appshunter.io/developer/1744261953) | [Michael Doornbos](https://appshunter.io/developer/1891405652) |

## What reviewers say

### shenqiwei

[App page](https://appshunter.io/ios/app/shenqiwei/id6740011899)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is shenqiwei free?

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

### Is HP16C free?

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

### Do shenqiwei or HP16C have ads?

Neither shenqiwei nor HP16C shows ads.

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

shenqiwei ships an update every 5 days, and HP16C weekly. Most recently, shenqiwei was updated on October 28, 2026 and HP16C on October 24, 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.*