# 臺大圖書館 vs LingoDeer

The clearest difference is review sentiment: LingoDeer at 77% against 臺大圖書館's 32%. LingoDeer also leads on chart position (#155 vs unranked) and device support (3 vs 1). 臺大圖書館's advantage is in-app purchases (none vs 18). On price, update cadence and ads there is nothing between them.

Both are free to download. LingoDeer sells 17 in-app purchases, starting at $12.99 per month. 臺大圖書館 asks for nothing beyond the download.

臺大圖書館 ships an update monthly, LingoDeer every 3 weeks. The most recent releases landed on October 7, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | 臺大圖書館 | LingoDeer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (28K ratings)](https://appshunter.io/ios/app/lingodeer-learn-languages/id1261193709/reviews)** |
| Number of ratings | — | **28K** |
| Positive reviews | 31.6% of reviews | **77.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | — | Subscription |
| Best chart rank | — | **#155** |
| Size | 455 MB | 216 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [National Taiwan University Library](https://appshunter.io/developer/1116913981) | [LingoDeer Co, Ltd.](https://appshunter.io/developer/1261193708) |

## What reviewers say

### 臺大圖書館

[App page](https://appshunter.io/ios/app/id1116913982)

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

**In-app purchases:** none


### LingoDeer

[App page](https://appshunter.io/ios/app/lingodeer-learn-languages/id1261193709)

**Currently charting:** #155 Top Grossing · Education (US App Store)

This app offers structured language lessons created by teachers, making learning effective and easy. It covers 20 languages, from beginner alphabets to conversational fluency, with interactive exercises and native speaker audio.

**Highlights:** Short, interactive lessons, Clear learning path, Grammar tips and notes, Native speaker audio, Flashcards and quizzes, Offline learning, Real-life conversation practice

**Features:** Vision Pro support

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spanish Monthly Subscription | $12.99 | per month |
| Japanese Monthly Subscription | $12.99 | per month |
| Korean Monthly subscription | $12.99 | per month |
| Multilingual Pass - Monthly | $14.99 | per month |
| Korean Quarterly subscription | $32.99 | per 3 months |
| Multilingual Pass - Quarterly | $34.99 | per 3 months |
| Korean Pass - Yearly | $76.99 | per year |
| Multilingual Pass - 6 Months | $83.99 | per 6 months |
| Multilingual Pass (Annual) | $95.99 | per year |
| Multilingual Pass (Annual) | $95.99 | per year |
| Yearly subscription - discount | $109.99 | per year |
| Buy 1200 Gems | $4.99 | one-time |
| Buy 3000 Gems | $9.99 | one-time |
| Multilingual Pass - Lifetime | $119.99 | one-time |
| Multilingual Pass - Lifetime | $159.99 | one-time |
| lifetime membership for new | $299.99 | one-time |
| lifetime membership discount | $499.99 | one-time |

**What reviewers like**

- 🚀 Great for learning Asian languages
- 👍 Thorough grammar and sentence structure explanations
- 🎨 Aesthetically pleasing design
- 📚 Comprehensive lessons and review features
- 🔊 Clear audio and pronunciation guidance

**What reviewers complain about**

- 💰 Paywall after initial lessons
- 🐛 Occasional bugs and glitches
- 🔍 Limited free content
- 🔀 Difficulty switching between languages
- 🔢 Lack of customization options (e.g., dark mode)

**Reported bugs**

- Progress bar not updating correctly
- Incorrect answers sometimes marked as correct
- Inability to resume lessons after app update
- Keyboard issues when typing answers

**Requested features**

- Allow typing answers instead of just selecting
- Provide feedback on pronunciation accuracy
- Improve spaced repetition for vocabulary review
- Add more languages, especially less common ones
- Implement a community feature to connect with other learners


## Frequently asked questions

### Is 臺大圖書館 free?

臺大圖書館 is free to download, with no in-app purchases.

### Is LingoDeer free?

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

### Do 臺大圖書館 or LingoDeer have ads?

Neither 臺大圖書館 nor LingoDeer shows ads.

### Which is updated more often, 臺大圖書館 or LingoDeer?

臺大圖書館 ships an update monthly, and LingoDeer every 3 weeks. Most recently, 臺大圖書館 was updated on October 7, 2026 and LingoDeer on October 21, 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.*