# Developer Calc Hex Dec Oct Bin vs 计算器

The clearest difference is rating: 计算器 at 4.7 against Developer Calc Hex Dec Oct Bin's 4.1. 计算器 also leads on ratings volume (826 vs 15) and update cadence (every 2 months vs every 5 months). Developer Calc Hex Dec Oct Bin's advantage is review sentiment (76% vs 35%) and in-app purchases (none vs 2). On price, ads and device support there is nothing between them.

Both are free to download. 计算器 sells 2 one-off in-app purchases. Developer Calc Hex Dec Oct Bin asks for nothing beyond the download.

计算器 holds the better App Store score, 4.7 against 4.1. That said, the two scores are not equally well evidenced: 计算器 has 826 ratings behind it against 15, so its average is the more settled of the two. Written reviews complicate that: 76% of Developer Calc Hex Dec Oct Bin's written reviews are positive against 35% of 计算器's, so the app with the better star average is not the one people write more warmly about.

Developer Calc Hex Dec Oct Bin ships an update every 5 months, 计算器 every 2 months. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Developer Calc Hex Dec Oct Bin | 计算器 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (15 ratings)](https://appshunter.io/ios/app/developer-calc-hex-dec-oct-bin/id568750126/reviews) | **[4.7 (826 ratings)](https://appshunter.io/ios/app/id1265739545/reviews)** |
| Number of ratings | 15 | **826** |
| Positive reviews | **76.3% of reviews** | 35.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 4 MB | 110 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [QQ TSUBASA](https://appshunter.io/developer/568750169) | [清龙 李](https://appshunter.io/developer/1226266031) |

## What reviewers say

### Developer Calc Hex Dec Oct Bin

[App page](https://appshunter.io/ios/app/developer-calc-hex-dec-oct-bin/id568750126)

This app converts numbers between binary, octal, decimal, and hexadecimal bases on a single screen. It also displays color hex codes and RGB values simultaneously. It's designed for developers needing quick base conversions and color code referencing.

**Highlights:** Binary, octal, decimal, hexadecimal conversion, Color hex code and RGB display, Large 19-digit decimal display, Conversion reset toggle, Maximum and minimum value display

**Features:** macOS Compatibility

**In-app purchases:** none


### 计算器

[App page](https://appshunter.io/ios/app/id1265739545)

This comprehensive calculator app offers a wide range of tools, including basic and scientific calculations, currency conversion, loan and tax calculators, and unit conversions. It simplifies complex calculations and conversions with an intuitive interface and voice input support.

**Highlights:** Basic and scientific calculator with voice input, Real-time currency conversion for over 160 countries, Loan calculator for commercial, provident fund, and combined loans, Tax calculator for salary, year-end bonuses, and labor remuneration, Date and unit conversion tools, Number system conversion (binary, octal, decimal, hexadecimal)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 赞助去广告 | $3.99 | one-time |
| 赞助 | $14.99 | one-time |

**What reviewers like**

- 🚀 Efficient and fast
- 💡 Useful features
- 👍 Good user experience

**What reviewers complain about**

- 🐛 Bugs and glitches
- 🔍 Difficult to find ad close buttons
- 🔋 High ad frequency

**Reported bugs**

- Inaccurate real-time exchange rates
- Calculation errors for large numbers
- Sudden disappearance of split mode

**Requested features**

- Add option to disable ads for paid users
- Improve historical calculation record feature
- Add support for traditional Chinese language


## Frequently asked questions

### Is Developer Calc Hex Dec Oct Bin free?

Developer Calc Hex Dec Oct Bin is free to download, with no in-app purchases.

### Is 计算器 free?

计算器 is free to download, with in-app purchases available.

### Which has better reviews, Developer Calc Hex Dec Oct Bin or 计算器?

计算器 is rated higher. Developer Calc Hex Dec Oct Bin averages 4.1 out of 5 from 15 ratings, while 计算器 averages 4.7 from 826 ratings.

### Do Developer Calc Hex Dec Oct Bin or 计算器 have ads?

Both Developer Calc Hex Dec Oct Bin and 计算器 show ads.

### Which is updated more often, Developer Calc Hex Dec Oct Bin or 计算器?

Developer Calc Hex Dec Oct Bin ships an update every 5 months, and 计算器 every 2 months. Most recently, Developer Calc Hex Dec Oct Bin was updated on September 22, 2026 and 计算器 on September 21, 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.*