# Developer Calc Hex Dec Oct Bin vs Ai 绘画

The clearest difference is in-app purchases: Developer Calc Hex Dec Oct Bin at none against Ai 绘画's 2. Developer Calc Hex Dec Oct Bin also leads on ratings volume (15 vs 2) and iOS requirement (9.0 vs 13.0). Ai 绘画's advantage is ads (none vs shown) and update cadence (fortnightly vs every 5 months). On price, rating and device support there is nothing between them.

Both are free to download. Ai 绘画 sells 2 in-app purchases, starting at $9.99 per month. Developer Calc Hex Dec Oct Bin asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.1 for Developer Calc Hex Dec Oct Bin against 4.0 for Ai 绘画. That said, the two scores are not equally well evidenced: Developer Calc Hex Dec Oct Bin has 15 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 76% of Developer Calc Hex Dec Oct Bin's written reviews are positive against 100% of Ai 绘画's.

Developer Calc Hex Dec Oct Bin ships an update every 5 months, Ai 绘画 fortnightly. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Developer Calc Hex Dec Oct Bin | Ai 绘画 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (15 ratings)](https://appshunter.io/ios/app/developer-calc-hex-dec-oct-bin/id568750126/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/ai/id6447472220/reviews) |
| Number of ratings | **15** | 2 |
| Positive reviews | 76.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | **Ad-supported** | Freemium |
| Size | 4 MB | 92 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [QQ TSUBASA](https://appshunter.io/developer/568750169) | [琼 程](https://appshunter.io/developer/1679300266) |

## 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


### Ai 绘画

[App page](https://appshunter.io/ios/app/ai/id6447472220)

This app helps designers of all levels bring their creative visions to life. Quickly transform sketches and basic elements into stunning artwork in seconds, enhancing creativity across various design fields. It's a powerful tool for professionals, beginners, educators, and students alike.

**Highlights:** AI-powered art generation, Sketch to image conversion, Supports industrial, product, architectural, fashion, and graphic design, 3D model and rendering creation, Import and edit existing designs, Game and anime art creation

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| vip月卡 | $9.99 | per month |
| vip年卡 | $39.99 | per year |


## 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 Ai 绘画 free?

Ai 绘画 is free to download, with in-app purchases available.

### Which has better reviews, Developer Calc Hex Dec Oct Bin or Ai 绘画?

Developer Calc Hex Dec Oct Bin is rated higher. Developer Calc Hex Dec Oct Bin averages 4.1 out of 5 from 15 ratings, while Ai 绘画 averages 4.0 from 2 ratings.

### Do Developer Calc Hex Dec Oct Bin or Ai 绘画 have ads?

Developer Calc Hex Dec Oct Bin shows ads; Ai 绘画 does not.

### Which is updated more often, Developer Calc Hex Dec Oct Bin or Ai 绘画?

Developer Calc Hex Dec Oct Bin ships an update every 5 months, and Ai 绘画 fortnightly. Most recently, Developer Calc Hex Dec Oct Bin was updated on October 6, 2026 and Ai 绘画 on October 4, 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.*