# 關鍵英單：核心字彙2201 vs 常春藤108課綱基礎單字Lite

The clearest difference is price: 常春藤108課綱基礎單字Lite at Free against 關鍵英單：核心字彙2201's $7.99. 常春藤108課綱基礎單字Lite also leads on update cadence (weekly vs every 31 months) and iOS requirement (9.0 vs 13.0). 關鍵英單：核心字彙2201's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

常春藤108課綱基礎單字Lite is free to download; 關鍵英單：核心字彙2201 costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

關鍵英單：核心字彙2201 ships an update every 31 months, 常春藤108課綱基礎單字Lite weekly. The most recent releases landed on July 4, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 關鍵英單：核心字彙2201 | 常春藤108課綱基礎單字Lite |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/2201-4400/id1190075533/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 31 months | **Weekly** |
| Monetization | Paid | — |
| Size | 296 MB | 303 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Soyong Corporation](https://appshunter.io/developer/339142397) | [Otek International Inc.](https://appshunter.io/developer/318583126) |

## What reviewers say

### 關鍵英單：核心字彙2201

[App page](https://appshunter.io/ios/app/2201-4400/id1190075533)

This app uses spaced repetition and the forgetting curve to help users efficiently memorize a large vocabulary. It categorizes words by theme and difficulty, offering detailed definitions, example sentences, and etymological breakdowns. Features include customizable study plans, sleep learning, and progress tracking.

**Highlights:** Spaced repetition learning system, Thematic and unit-based vocabulary organization, Detailed word information (pronunciation, definition, examples), Root, prefix, and suffix analysis for memorization, Customizable daily study plans, Sleep learning mode, Progress tracking and achievements

**In-app purchases:** none


### 常春藤108課綱基礎單字Lite

[App page](https://appshunter.io/ios/app/108lite/id6449991237)

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

**In-app purchases:** none


## Frequently asked questions

### Is 關鍵英單：核心字彙2201 free?

關鍵英單：核心字彙2201 costs $7.99, with no in-app purchases.

### Is 常春藤108課綱基礎單字Lite free?

常春藤108課綱基礎單字Lite is free to download, with no in-app purchases.

### Do 關鍵英單：核心字彙2201 or 常春藤108課綱基礎單字Lite have ads?

常春藤108課綱基礎單字Lite shows ads; 關鍵英單：核心字彙2201 does not.

### Which is updated more often, 關鍵英單：核心字彙2201 or 常春藤108課綱基礎單字Lite?

關鍵英單：核心字彙2201 ships an update every 31 months, and 常春藤108課綱基礎單字Lite weekly. Most recently, 關鍵英單：核心字彙2201 was updated on July 4, 2026 and 常春藤108課綱基礎單字Lite on October 16, 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.*