# Calculator for Complex Field vs HP16C

The clearest difference is rating: Calculator for Complex Field at 5.0 against HP16C's 4.3. HP16C's advantage is update cadence (weekly vs fortnightly). On price, ratings volume, 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.

Calculator for Complex Field holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 4 and 3 respectively.

Calculator for Complex Field ships an update fortnightly, HP16C weekly. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Calculator for Complex Field | HP16C |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/calculator-for-complex-field/id6502463794/reviews)** | [4.3 (3 ratings)](https://appshunter.io/ios/app/hp16c/id6761774728/reviews) |
| Number of ratings | **4** | 3 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free | Free |
| Size | 1 MB | 1 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jongseung Park](https://appshunter.io/developer/1745560101) | [Michael Doornbos](https://appshunter.io/developer/1891405652) |

## What reviewers say

### Calculator for Complex Field

[App page](https://appshunter.io/ios/app/calculator-for-complex-field/id6502463794)

Input natural math expressions and get instant results on a separate line, allowing for easy revisions. Save up to 20 inputs and incorporate saved answers into new expressions. Supports complex field calculations with adjustable decimal digits and three output formats.

**Highlights:** Natural math expression input, Automatic result display, Input revision for updated results, Save and reuse up to 20 inputs, Incorporate saved answers into expressions, Complex field calculations, Adjustable decimal digits, Three output formats (Fixed, Scientific, Engineering)

**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 Calculator for Complex Field free?

Calculator for Complex Field is free to download, with no in-app purchases.

### Is HP16C free?

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

### Which has better reviews, Calculator for Complex Field or HP16C?

Calculator for Complex Field is rated higher. Calculator for Complex Field averages 5.0 out of 5 from 4 ratings, while HP16C averages 4.3 from 3 ratings.

### Do Calculator for Complex Field or HP16C have ads?

Neither Calculator for Complex Field nor HP16C shows ads.

### Which is updated more often, Calculator for Complex Field or HP16C?

Calculator for Complex Field ships an update fortnightly, and HP16C weekly. Most recently, Calculator for Complex Field was updated on October 2, 2026 and HP16C on October 8, 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.*