# Dev Calc Pro (Hex Dec Oct Bin) vs Dictionary German Vietnamese

The clearest difference is price: Dictionary German Vietnamese at Free against Dev Calc Pro (Hex Dec Oct Bin)'s $2.99. Dictionary German Vietnamese also leads on update cadence (every 3 weeks vs every 7 months). Dev Calc Pro (Hex Dec Oct Bin)'s advantage is ads (none vs shown) and iOS requirement (8.0 vs 15.0). On in-app purchases and device support there is nothing between them.

Dictionary German Vietnamese is free to download; Dev Calc Pro (Hex Dec Oct Bin) costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Dev Calc Pro (Hex Dec Oct Bin) ships an update every 7 months, Dictionary German Vietnamese every 3 weeks. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Dev Calc Pro (Hex Dec Oct Bin) | Dictionary German Vietnamese |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/dev-calc-pro-hex-dec-oct-bin/id638232609/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 6 MB | 29 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [QQ TSUBASA](https://appshunter.io/developer/568750169) | [Nhu Dinh Tao](https://appshunter.io/developer/995315197) |

## 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


### Dictionary German Vietnamese

[App page](https://appshunter.io/ios/app/dictionary-german-vietnamese/id1174290511)

**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 Dictionary German Vietnamese free?

Dictionary German Vietnamese is free to download, with no in-app purchases.

### Do Dev Calc Pro (Hex Dec Oct Bin) or Dictionary German Vietnamese have ads?

Dictionary German Vietnamese shows ads; Dev Calc Pro (Hex Dec Oct Bin) does not.

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

Dev Calc Pro (Hex Dec Oct Bin) ships an update every 7 months, and Dictionary German Vietnamese every 3 weeks. Most recently, Dev Calc Pro (Hex Dec Oct Bin) was updated on October 6, 2026 and Dictionary German Vietnamese on October 11, 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.*