Pinyinizer vs Dev Calc Pro (Hex Dec Oct Bin)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pinyinizer
Easily convert Chinese Hanzi (Simplified and Traditional) into Hanyu Pinyin. This tool provides audio pronunciations and functions offline, making it a convenient study aid for learners.
- Convert Hanzi to Pinyin
- Supports Simplified & Traditional Chinese
- Listen to Pinyin pronunciations
- Offline functionality
- Study tool
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Turn any Chinese text into a clean pinyin reader. Pinyinizer adds pinyin above Chinese characters so you can keep reading real material from class, books, signs, articles, and PDFs. Paste text, scan with the camera, import documents, or share text from another app. Practice at your own pace: • Hide pinyin when you want a challenge • Tap a word to reveal its pinyin • Double tap a word to hear it spoken • Listen to text while you follow along • Export printable PDF readers for class or study Works offline after your text is added. No account required.
Dev Calc Pro (Hex Dec Oct Bin)
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.
- Binary, octal, decimal, hexadecimal conversion
- Color hex code and RGB display
- Large 19-digit decimal display
- Conversion reset toggle
- No ads (Pro Version)
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The Calculator for Developer ※What is for Pro Version: No Ad & Full Screen Developer Calc includes the following features: ■ Binary, octal, decimal, and hexadecimal in one screen ■ Color Hex code, RGB in one screen ■ The maximum value : 0x0FFF FFFF FFFF FFFF ■ The minimum value : 0xF000 0000 0000 0000 ■ The large 19-digit display of decimal ■ Conversion reset ON/OFF The following features are not included: (Just For Simple) ■ Scientific: trigonometric, hyperbolic, and logarithmic functions ■ Conversion: length, area, volume, speed, weight, temperature; unit arithmetic
Screenshots
Verdict
The clearest difference is rating: Dev Calc Pro (Hex Dec Oct Bin) at 3.5 against Pinyinizer's 1.8. Dev Calc Pro (Hex Dec Oct Bin) also leads on review sentiment (43% vs 30%) and iOS requirement (8.0 vs 15.0). Pinyinizer's advantage is ratings volume (6 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Pinyinizer costs $2.99 and Dev Calc Pro (Hex Dec Oct Bin) $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Dev Calc Pro (Hex Dec Oct Bin) holds the better App Store score, 3.5 against 1.8. Both are backed by a comparable volume of ratings — 6 and 2 respectively. Written reviews point the same way: 30% of Pinyinizer's written reviews are positive against 43% of Dev Calc Pro (Hex Dec Oct Bin)'s.
Pinyinizer ships an update every 4 months, Dev Calc Pro (Hex Dec Oct Bin) every 7 months. The most recent releases landed on November 6, 2026 and November 1, 2026 respectively.
| Parameter | Pinyinizer | Dev Calc Pro (Hex Dec Oct Bin) |
|---|---|---|
| Price | $2.99 | $2.99 |
| Rating | 1.8 (6 ratings) | 3.5 (2 ratings) — better |
| Positive reviews | 29.7% of reviews | 42.9% of reviews — better |
| Number of ratings | 6 — better | 2 |
| Update frequency | Every 4 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | 晶晶 殷 | QQ TSUBASA |
Customer experience
Pinyinizer
Dev Calc Pro (Hex Dec Oct Bin)
In-app purchases
Pinyinizer
No in-app purchases
Dev Calc Pro (Hex Dec Oct Bin)
No in-app purchases
Questions
Is Pinyinizer free?
Is Dev Calc Pro (Hex Dec Oct Bin) free?
Which has better reviews, Pinyinizer or Dev Calc Pro (Hex Dec Oct Bin)?
Do Pinyinizer or Dev Calc Pro (Hex Dec Oct Bin) have ads?
Which is updated more often, Pinyinizer or Dev Calc Pro (Hex Dec Oct Bin)?
Other comparisons
