# Cantonese by Nemo vs PolyU Library

The clearest difference is in-app purchases: PolyU Library at none against Cantonese by Nemo's 1. Cantonese by Nemo's advantage is update cadence (every 2 months vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Cantonese by Nemo sells 1 one-off in-app purchase. PolyU Library asks for nothing beyond the download.

Cantonese by Nemo ships an update every 2 months, PolyU Library every 4 months. The most recent releases landed on September 25, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Cantonese by Nemo | PolyU Library |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.7K ratings)](https://appshunter.io/ios/app/cantonese-by-nemo/id635606017/reviews)** | — |
| Number of ratings | **1.7K** | — |
| Positive reviews | 89.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 13 MB | 34 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Nemo Apps LLC](https://appshunter.io/developer/428814324) | [The Hong Kong Polytechnic University](https://appshunter.io/developer/442903588) |

## What reviewers say

### Cantonese by Nemo

[App page](https://appshunter.io/ios/app/cantonese-by-nemo/id635606017)

Learn Cantonese with this app that focuses on essential words and phrases, featuring native speaker audio and speech recognition for accent improvement. It's designed for flexible learning, allowing you to practice anytime, anywhere, even offline.

**Highlights:** Native speaker audio, Speech Studio for accent practice, Offline access to all audio, Customizable learning path, Progress tracking, Vocabulary quizzes, Review mode for memory retention

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nemo Cantonese Foundation pack | $14.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🎓 Helpful for learning Cantonese
- 🔊 Clear pronunciation
- 🔍 Useful search function
- 🎨 Good visual aids

**What reviewers complain about**

- 🐛 Bugs with recording feature
- 💰 Confusing pricing/hidden fees
- 🔍 Limited search functionality
- 🔢 Mixed words and numbers together
- 🗣️ Lack of male voice option

**Reported bugs**

- Upgrade button not working
- Incompatibility issues between devices
- Inconsistent tone/pronunciation in some words

**Requested features**

- More advanced lessons and sentence building
- Ability to sync progress across devices
- Addition of more vocabulary and phrases
- Inclusion of traditional Chinese characters
- Improved user interface and customization options


### PolyU Library

[App page](https://appshunter.io/ios/app/polyu-library/id6450161237)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cantonese by Nemo free?

Cantonese by Nemo is free to download, with in-app purchases available.

### Is PolyU Library free?

PolyU Library is free to download, with no in-app purchases.

### Do Cantonese by Nemo or PolyU Library have ads?

Neither Cantonese by Nemo nor PolyU Library shows ads.

### Which is updated more often, Cantonese by Nemo or PolyU Library?

Cantonese by Nemo ships an update every 2 months, and PolyU Library every 4 months. Most recently, Cantonese by Nemo was updated on September 25, 2026 and PolyU Library on September 10, 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.*