# Dev Calc Pro (Hex Dec Oct Bin) vs 四庫全漢字字典專業版

The clearest difference is rating: Dev Calc Pro (Hex Dec Oct Bin) at 3.5 against 四庫全漢字字典專業版's 3.0. Dev Calc Pro (Hex Dec Oct Bin) also leads on price ($2.99 vs $5.99) and review sentiment (43% vs 33%). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Dev Calc Pro (Hex Dec Oct Bin) costs $2.99 and 四庫全漢字字典專業版 $5.99 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 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 43% of Dev Calc Pro (Hex Dec Oct Bin)'s written reviews are positive against 33% of 四庫全漢字字典專業版's.

Dev Calc Pro (Hex Dec Oct Bin) ships an update every 7 months, 四庫全漢字字典專業版 every 5 months. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Dev Calc Pro (Hex Dec Oct Bin) | 四庫全漢字字典專業版 |
| --- | --- | --- |
| Price | **$2.99** | $5.99 |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/dev-calc-pro-hex-dec-oct-bin/id638232609/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/id1161984655/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | **42.9% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 5 months** |
| Monetization | Paid | — |
| Size | 6 MB | 346 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [QQ TSUBASA](https://appshunter.io/developer/568750169) | [Digital Heritage Publishing Limited](https://appshunter.io/developer/961899021) |

## What reviewers say

### 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


### 四庫全漢字字典專業版

[App page](https://appshunter.io/ios/app/id1161984655)

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

**In-app purchases:** none


## Frequently asked questions

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

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

### Is 四庫全漢字字典專業版 free?

四庫全漢字字典專業版 costs $5.99, with no in-app purchases.

### Which has better reviews, Dev Calc Pro (Hex Dec Oct Bin) or 四庫全漢字字典專業版?

Dev Calc Pro (Hex Dec Oct Bin) is rated higher. Dev Calc Pro (Hex Dec Oct Bin) averages 3.5 out of 5 from 2 ratings, while 四庫全漢字字典專業版 averages 3.0 from 2 ratings.

### Do Dev Calc Pro (Hex Dec Oct Bin) or 四庫全漢字字典專業版 have ads?

Neither Dev Calc Pro (Hex Dec Oct Bin) nor 四庫全漢字字典專業版 shows ads.

### Which is updated more often, Dev Calc Pro (Hex Dec Oct Bin) or 四庫全漢字字典專業版?

Dev Calc Pro (Hex Dec Oct Bin) ships an update every 7 months, and 四庫全漢字字典專業版 every 5 months. Most recently, Dev Calc Pro (Hex Dec Oct Bin) was updated on October 6, 2026 and 四庫全漢字字典專業版 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.*