# HEXCalc(binary conversion) vs zellopon keyboard

The clearest difference is review sentiment: zellopon keyboard at 71% against HEXCalc(binary conversion)'s 0%. zellopon keyboard also leads on price (Free vs $0.99) and update cadence (every 6 weeks vs every 69 months). HEXCalc(binary conversion)'s advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

zellopon keyboard is free to download; HEXCalc(binary conversion) costs $0.99 up front. zellopon keyboard sells 1 one-off in-app purchase. HEXCalc(binary conversion) asks for nothing beyond the download.

HEXCalc(binary conversion) ships an update every 69 months, zellopon keyboard every 6 weeks. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | HEXCalc(binary conversion) | zellopon keyboard |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[3.8 (4 ratings)](https://appshunter.io/ios/app/zellopon-keyboard/id1436196460/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 0.0% of reviews | **71.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 69 months | **Every 6 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 151 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [永生 刘](https://appshunter.io/developer/830484999) | [choi wonho](https://appshunter.io/developer/1436196459) |

## What reviewers say

### HEXCalc(binary conversion)

[App page](https://appshunter.io/ios/app/hexcalcbinary-conversion/id996038221)

This utility app performs n-ary conversions, including those with decimal points. It also converts binary numbers into their sign, one's complement, and two's complement representations.

**Highlights:** N-ary conversion with decimal points, Binary to sign code, Binary to one's complement, Binary to two's complement, Supports iPhone and iPod

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

**In-app purchases:** none


### zellopon keyboard

[App page](https://appshunter.io/ios/app/zellopon-keyboard/id1436196460)

This keyboard app offers a unique input method designed for ease of use on touch devices, supporting multiple languages and featuring customizable autotext. It includes undo/redo functionality and a practice mode to help users adapt to its layout.

**Highlights:** Multilingual support, Large key size, Autotext registration (LR Key), Undo/Redo functionality, Practice mode, Cursor support, One-handed and two-handed input

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is HEXCalc(binary conversion) free?

HEXCalc(binary conversion) costs $0.99, with no in-app purchases.

### Is zellopon keyboard free?

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

### Do HEXCalc(binary conversion) or zellopon keyboard have ads?

zellopon keyboard shows ads; HEXCalc(binary conversion) does not.

### Which is updated more often, HEXCalc(binary conversion) or zellopon keyboard?

HEXCalc(binary conversion) ships an update every 69 months, and zellopon keyboard every 6 weeks. Most recently, HEXCalc(binary conversion) was updated on November 1, 2026 and zellopon keyboard on November 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*