# COCA词频单词 vs TwoPartSaying

The clearest difference is price: TwoPartSaying at Free against COCA词频单词's $7.99. COCA词频单词's advantage is in-app purchases (none vs 2) and ads (none vs shown).

TwoPartSaying is free to download; COCA词频单词 costs $7.99 up front. TwoPartSaying sells 2 one-off in-app purchases. COCA词频单词 asks for nothing beyond the download.

COCA词频单词 ships an update every 6 weeks, TwoPartSaying every 4 months. The most recent releases landed on September 16, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | COCA词频单词 | TwoPartSaying |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Paid | — |
| Size | 105 MB | 16 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [坤 徐](https://appshunter.io/developer/1490871013) | [德明 杨](https://appshunter.io/developer/1630281265) |

## 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


### TwoPartSaying

[App page](https://appshunter.io/ios/app/twopartsaying/id1673762702)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donate | $0.99 | one-time |
| Buy Pro Version | $0.99 | one-time |


## Frequently asked questions

### Is COCA词频单词 free?

COCA词频单词 costs $7.99, with no in-app purchases.

### Is TwoPartSaying free?

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

### Do COCA词频单词 or TwoPartSaying have ads?

TwoPartSaying shows ads; COCA词频单词 does not.

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

COCA词频单词 ships an update every 6 weeks, and TwoPartSaying every 4 months. Most recently, COCA词频单词 was updated on September 16, 2026 and TwoPartSaying on September 11, 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.*