# Pinyinizer vs Chinese Annotator

The clearest difference is rating: Chinese Annotator at 4.1 against Pinyinizer's 1.8. Chinese Annotator also leads on review sentiment (72% vs 30%) and update cadence (every 2 weeks vs every 4 months). On ads, in-app purchases and device support there is nothing between them.

Pinyinizer costs $2.99 and Chinese Annotator $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Chinese Annotator holds the better App Store score, 4.1 against 1.8. That said, the two scores are not equally well evidenced: Chinese Annotator has 30 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 30% of Pinyinizer's written reviews are positive against 72% of Chinese Annotator's.

Pinyinizer ships an update every 4 months, Chinese Annotator every 2 weeks. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Pinyinizer | Chinese Annotator |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| Rating | [1.8 (6 ratings)](https://appshunter.io/ios/app/pinyinizer-pinyin-converter/id434120323/reviews) | **[4.1 (30 ratings)](https://appshunter.io/ios/app/chinese-annotator/id1195474397/reviews)** |
| Number of ratings | 6 | **30** |
| Positive reviews | 29.7% of reviews | **72.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Paid | **Free** |
| Size | 6 MB | 65 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [晶晶 殷](https://appshunter.io/developer/355709937) | [Jon Hargett](https://appshunter.io/developer/1087189196) |

## What reviewers say

### Pinyinizer

[App page](https://appshunter.io/ios/app/pinyinizer-pinyin-converter/id434120323)

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.

**Highlights:** Convert Hanzi to Pinyin, Supports Simplified & Traditional Chinese, Listen to Pinyin pronunciations, Offline functionality, Study tool

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases:** none


### Chinese Annotator

[App page](https://appshunter.io/ios/app/chinese-annotator/id1195474397)

This app helps you learn Chinese by reading ePub books. It allows you to add Pinyin and English definitions directly to the text, and track your vocabulary knowledge. You can also export your learned words for flashcard review.

**Highlights:** Import ePub files, Add Pinyin and English definitions, Track known words and characters, Hide known Pinyin/definitions, Export word lists for flashcards, Print pages to PDF

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

**In-app purchases:** none


## Frequently asked questions

### Is Pinyinizer free?

Pinyinizer costs $2.99, with no in-app purchases.

### Is Chinese Annotator free?

Chinese Annotator costs $0.99, with no in-app purchases.

### Which has better reviews, Pinyinizer or Chinese Annotator?

Chinese Annotator is rated higher. Pinyinizer averages 1.8 out of 5 from 6 ratings, while Chinese Annotator averages 4.1 from 30 ratings.

### Do Pinyinizer or Chinese Annotator have ads?

Neither Pinyinizer nor Chinese Annotator shows ads.

### Which is updated more often, Pinyinizer or Chinese Annotator?

Pinyinizer ships an update every 4 months, and Chinese Annotator every 2 weeks. Most recently, Pinyinizer was updated on November 1, 2026 and Chinese Annotator on November 2, 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.*