# Developer Calc Hex Dec Oct Bin vs WiFi QR Maker

The clearest difference is price: Developer Calc Hex Dec Oct Bin at Free against WiFi QR Maker's $2.99. Developer Calc Hex Dec Oct Bin also leads on iOS requirement (9.0 vs 16.0). WiFi QR Maker's advantage is ads (none vs shown). On update cadence, in-app purchases and device support there is nothing between them.

Developer Calc Hex Dec Oct Bin is free to download; WiFi QR Maker costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Developer Calc Hex Dec Oct Bin ships an update every 5 months, WiFi QR Maker every 7 months. The most recent releases landed on September 22, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Developer Calc Hex Dec Oct Bin | WiFi QR Maker |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.1 (15 ratings)](https://appshunter.io/ios/app/developer-calc-hex-dec-oct-bin/id568750126/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 76.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 months** | Every 7 months |
| Monetization | Ad-supported | — |
| Size | 4 MB | 7 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [QQ TSUBASA](https://appshunter.io/developer/568750169) | [SUMMERBANANA](https://appshunter.io/developer/1722829517) |

## 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


### WiFi QR Maker

[App page](https://appshunter.io/ios/app/wifi-qr-maker/id6503948082)

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

**In-app purchases:** none


## 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 WiFi QR Maker free?

WiFi QR Maker costs $2.99, with no in-app purchases.

### Do Developer Calc Hex Dec Oct Bin or WiFi QR Maker have ads?

Developer Calc Hex Dec Oct Bin shows ads; WiFi QR Maker does not.

### Which is updated more often, Developer Calc Hex Dec Oct Bin or WiFi QR Maker?

Developer Calc Hex Dec Oct Bin ships an update every 5 months, and WiFi QR Maker every 7 months. Most recently, Developer Calc Hex Dec Oct Bin was updated on September 22, 2026 and WiFi QR Maker on September 17, 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.*