# COCA词频单词 vs 课小熊

The clearest difference is price: 课小熊 at Free against COCA词频单词's $2.99. COCA词频单词's advantage is ads (none vs shown). On update cadence, in-app purchases, device support and iOS requirement there is nothing between them.

课小熊 is free to download; COCA词频单词 costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

COCA词频单词 ships an update every 6 weeks, 课小熊 every 3 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | COCA词频单词 | 课小熊 |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Paid | — |
| Size | 105 MB | 108 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [坤 徐](https://appshunter.io/developer/1490871013) | [晓光 曹](https://appshunter.io/developer/1556569206) |

## What reviewers say

### COCA词频单词

[App page](https://appshunter.io/ios/app/coca/id1490871014)

Master English vocabulary with a frequency-based approach. This app provides detailed explanations, synonyms, and example sentences for thousands of the most common words, aiding efficient learning and retention.

**Highlights:** 17,631 COCA-ranked words, Detailed explanations, synonyms, and examples, Audio pronunciation, Grouped learning by 1000-word intervals, Offline dictionary access, Progress tracking and learned word filtering

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

**In-app purchases:** none


### 课小熊

[App page](https://appshunter.io/ios/app/id1568061704)

**In-app purchases:** none


## Frequently asked questions

### Is COCA词频单词 free?

COCA词频单词 costs $2.99, with no in-app purchases.

### Is 课小熊 free?

课小熊 is free to download, with no in-app purchases.

### Do COCA词频单词 or 课小熊 have ads?

课小熊 shows ads; COCA词频单词 does not.

### Which is updated more often, COCA词频单词 or 课小熊?

COCA词频单词 ships an update every 6 weeks, and 课小熊 every 3 months. Most recently, COCA词频单词 was updated on November 3, 2026 and 课小熊 on November 7, 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.*