# Dev Calc Pro (Hex Dec Oct Bin) vs 成语词典简体专业版

The clearest difference is price: Dev Calc Pro (Hex Dec Oct Bin) at $2.99 against 成语词典简体专业版's $99.99. Dev Calc Pro (Hex Dec Oct Bin) also leads on iOS requirement (8.0 vs 17.6). 成语词典简体专业版's advantage is rating (5.0 vs 3.5). 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 成语词典简体专业版 $99.99 up front. Neither carries in-app purchases, so what you see is what you pay.

成语词典简体专业版 holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Dev Calc Pro (Hex Dec Oct Bin) ships an update every 7 months, 成语词典简体专业版 every 12 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) | 成语词典简体专业版 |
| --- | --- | --- |
| Price | **$2.99** | $99.99 |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/dev-calc-pro-hex-dec-oct-bin/id638232609/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id684785995/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 12 months |
| Monetization | Paid | — |
| Size | 6 MB | 83 MB |
| Requires iOS | **8.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [QQ TSUBASA](https://appshunter.io/developer/568750169) | [隆军 刘](https://appshunter.io/developer/595161481) |

## 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


### 成语词典简体专业版

[App page](https://appshunter.io/ios/app/id684785995)

**Features:** macOS Compatibility

**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 成语词典简体专业版 free?

成语词典简体专业版 costs $99.99, with no in-app purchases.

### Which has better reviews, Dev Calc Pro (Hex Dec Oct Bin) or 成语词典简体专业版?

成语词典简体专业版 is rated higher. Dev Calc Pro (Hex Dec Oct Bin) averages 3.5 out of 5 from 2 ratings, while 成语词典简体专业版 averages 5.0 from 1 ratings.

### Do Dev Calc Pro (Hex Dec Oct Bin) or 成语词典简体专业版 have ads?

Neither Dev Calc Pro (Hex Dec Oct Bin) nor 成语词典简体专业版 shows ads.

### Which is updated more often, Dev Calc Pro (Hex Dec Oct Bin) or 成语词典简体专业版?

Dev Calc Pro (Hex Dec Oct Bin) ships an update every 7 months, and 成语词典简体专业版 every 12 months. Most recently, Dev Calc Pro (Hex Dec Oct Bin) was updated on October 6, 2026 and 成语词典简体专业版 on October 8, 2026.

---

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