# Pinyinizer vs Dev Calc Pro (Hex Dec Oct Bin)

The clearest difference is rating: Dev Calc Pro (Hex Dec Oct Bin) at 3.5 against Pinyinizer's 1.8. Dev Calc Pro (Hex Dec Oct Bin) also leads on review sentiment (43% vs 30%) and iOS requirement (8.0 vs 15.0). Pinyinizer's advantage is ratings volume (6 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

Pinyinizer costs $2.99 and Dev Calc Pro (Hex Dec Oct Bin) $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Dev Calc Pro (Hex Dec Oct Bin) holds the better App Store score, 3.5 against 1.8. Both are backed by a comparable volume of ratings — 6 and 2 respectively. Written reviews point the same way: 30% of Pinyinizer's written reviews are positive against 43% of Dev Calc Pro (Hex Dec Oct Bin)'s.

Pinyinizer ships an update every 4 months, Dev Calc Pro (Hex Dec Oct Bin) every 7 months. The most recent releases landed on November 6, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Pinyinizer | Dev Calc Pro (Hex Dec Oct Bin) |
| --- | --- | --- |
| Price | $2.99 | $2.99 |
| Rating | [1.8 (6 ratings)](https://appshunter.io/ios/app/pinyinizer-pinyin-converter/id434120323/reviews) | **[3.5 (2 ratings)](https://appshunter.io/ios/app/dev-calc-pro-hex-dec-oct-bin/id638232609/reviews)** |
| Number of ratings | **6** | 2 |
| Positive reviews | 29.7% of reviews | **42.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 7 months |
| Monetization | Paid | Paid |
| Size | 6 MB | 6 MB |
| Requires iOS | 15.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [晶晶 殷](https://appshunter.io/developer/355709937) | [QQ TSUBASA](https://appshunter.io/developer/568750169) |

## What reviewers say

### Pinyinizer

[App page](https://appshunter.io/ios/app/pinyinizer-pinyin-converter/id434120323)

Easily convert Chinese Hanzi (Simplified and Traditional) into Hanyu Pinyin. This tool provides audio pronunciations and functions offline, making it a convenient study aid for learners.

**Highlights:** Convert Hanzi to Pinyin, Supports Simplified & Traditional Chinese, Listen to Pinyin pronunciations, Offline functionality, Study tool

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases:** none


### Dev Calc Pro (Hex Dec Oct Bin)

[App page](https://appshunter.io/ios/app/dev-calc-pro-hex-dec-oct-bin/id638232609)

This app converts numbers between binary, octal, decimal, and hexadecimal bases on a single screen. It also displays color hex codes and RGB values. It is designed for developers and does not include scientific or unit conversion functions.

**Highlights:** Binary, octal, decimal, hexadecimal conversion, Color hex code and RGB display, Large 19-digit decimal display, Conversion reset toggle, No ads (Pro Version)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pinyinizer free?

Pinyinizer costs $2.99, with no in-app purchases.

### Is Dev Calc Pro (Hex Dec Oct Bin) free?

Dev Calc Pro (Hex Dec Oct Bin) costs $2.99, with no in-app purchases.

### Which has better reviews, Pinyinizer or Dev Calc Pro (Hex Dec Oct Bin)?

Dev Calc Pro (Hex Dec Oct Bin) is rated higher. Pinyinizer averages 1.8 out of 5 from 6 ratings, while Dev Calc Pro (Hex Dec Oct Bin) averages 3.5 from 2 ratings.

### Do Pinyinizer or Dev Calc Pro (Hex Dec Oct Bin) have ads?

Neither Pinyinizer nor Dev Calc Pro (Hex Dec Oct Bin) shows ads.

### Which is updated more often, Pinyinizer or Dev Calc Pro (Hex Dec Oct Bin)?

Pinyinizer ships an update every 4 months, and Dev Calc Pro (Hex Dec Oct Bin) every 7 months. Most recently, Pinyinizer was updated on November 6, 2026 and Dev Calc Pro (Hex Dec Oct Bin) on November 1, 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.*