# 關鍵英單：核心字彙2201 vs ALL+互動英語

The clearest difference is price: ALL+互動英語 at Free against 關鍵英單：核心字彙2201's $7.99. ALL+互動英語 also leads on update cadence (every 2 months vs every 31 months). 關鍵英單：核心字彙2201's advantage is in-app purchases (none vs 65) and iOS requirement (13.0 vs 15.0). On ads and device support there is nothing between them.

ALL+互動英語 is free to download; 關鍵英單：核心字彙2201 costs $7.99 up front. ALL+互動英語 sells 65 one-off in-app purchases. 關鍵英單：核心字彙2201 asks for nothing beyond the download.

關鍵英單：核心字彙2201 ships an update every 31 months, ALL+互動英語 every 2 months. The most recent releases landed on July 4, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | 關鍵英單：核心字彙2201 | ALL+互動英語 |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 296 MB | 132 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Soyong Corporation](https://appshunter.io/developer/339142397) | [LiveABC](https://appshunter.io/developer/375927584) |

## 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


### ALL+互動英語

[App page](https://appshunter.io/ios/app/all-plus/id6478476689)

**Features:** macOS Compatibility

**In-app purchases (65)**

| Purchase | Price | Billing |
| --- | --- | --- |
| March 2023 | $4.99 | one-time |
| April 2023 | $4.99 | one-time |
| August 2023 | $4.99 | one-time |
| October 2023 | $4.99 | one-time |
| December 2023 | $4.99 | one-time |
| September 2023 | $4.99 | one-time |
| January 2024 | $4.99 | one-time |
| March 2024 | $4.99 | one-time |
| February 2024 | $4.99 | one-time |
| April 2024 | $4.99 | one-time |
| May 2026 | $4.99 | one-time |
| June 2026 | $4.99 | one-time |
| April 2026 | $4.99 | one-time |
| February 2026 | $4.99 | one-time |
| March 2026 | $4.99 | one-time |
| January 2026 | $4.99 | one-time |
| November 2025 | $4.99 | one-time |
| December 2025 | $4.99 | one-time |
| October 2025 | $4.99 | one-time |
| September 2025 | $4.99 | one-time |
| August 2025 | $4.99 | one-time |
| June 2025 | $4.99 | one-time |
| July 2025 | $4.99 | one-time |
| May 2025 | $4.99 | one-time |
| April 2025 | $4.99 | one-time |
| March 2025 | $4.99 | one-time |
| February 2025 | $4.99 | one-time |
| January 2025 | $4.99 | one-time |
| December 2024 | $4.99 | one-time |
| November 2024 | $4.99 | one-time |
| October 2024 | $4.99 | one-time |
| September 2024 | $4.99 | one-time |
| August 2024 | $4.99 | one-time |
| July 2024 | $4.99 | one-time |
| May 2024 | $4.99 | one-time |
| June 2024 | $4.99 | one-time |
| July 2026 | $5.99 | one-time |
| August 2026 | $5.99 | one-time |
| 12 issues from October, 2025 | $39.99 | one-time |
| 12 issues from July, 2026 | $49.99 | one-time |
| 12 issues from August, 2026 | $49.99 | one-time |
| 12 issues from May, 2026 | $49.99 | one-time |
| 12 issues from June, 2026 | $49.99 | one-time |
| 12 issues from April, 2026 | $49.99 | one-time |
| 12 issues from February, 2026 | $49.99 | one-time |
| 12 issues from March, 2026 | $49.99 | one-time |
| 12 issues from January, 2026 | $49.99 | one-time |
| 12 issues from November, 2025 | $49.99 | one-time |
| 12 issues from December, 2025 | $49.99 | one-time |
| 12 issues from September, 2025 | $49.99 | one-time |
| 12 issues from August, 2025 | $49.99 | one-time |
| 12 issues from June, 2025 | $49.99 | one-time |
| 12 issues from Jul, 2025 | $49.99 | one-time |
| 12 issues from May, 2025 | $49.99 | one-time |
| 12 issues from April, 2025 | $49.99 | one-time |
| 12 issues from March, 2025 | $49.99 | one-time |
| 12 issues from February, 2025 | $49.99 | one-time |
| 12 issues from January, 2025 | $49.99 | one-time |
| 12 issues from December, 2024 | $49.99 | one-time |
| 12 issues from November, 2024 | $49.99 | one-time |
| 12 issues from October, 2024 | $49.99 | one-time |
| 12 issues from July, 2019 | $49.99 | one-time |
| 12 issues from May, 2021 | $49.99 | one-time |
| 12 issues from February, 2023 | $49.99 | one-time |
| 12 issues from September, 2024 | $49.99 | one-time |


## 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 ALL+互動英語 free?

ALL+互動英語 is free to download, with in-app purchases available.

### Do 關鍵英單：核心字彙2201 or ALL+互動英語 have ads?

Neither 關鍵英單：核心字彙2201 nor ALL+互動英語 shows ads.

### Which is updated more often, 關鍵英單：核心字彙2201 or ALL+互動英語?

關鍵英單：核心字彙2201 ships an update every 31 months, and ALL+互動英語 every 2 months. Most recently, 關鍵英單：核心字彙2201 was updated on July 4, 2026 and ALL+互動英語 on September 14, 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.*