# Plain850：核心英文 850詞 vs Speak850

The clearest difference is in-app purchases: Plain850：核心英文 850詞 at none against Speak850's 1. Plain850：核心英文 850詞 also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Speak850 sells 1 one-off in-app purchase. Plain850：核心英文 850詞 asks for nothing beyond the download.

Plain850：核心英文 850詞 ships an update every 2 weeks, Speak850 fortnightly. The most recent releases landed on October 9, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Plain850：核心英文 850詞 | Speak850 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Size | 43 MB | 5 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lok Wai](https://appshunter.io/developer/1895320924) | [YI LIU](https://appshunter.io/developer/6777746488) |

## What reviewers say

### Plain850：核心英文 850詞

[App page](https://appshunter.io/ios/app/plain850-850/id6776902920)

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

**In-app purchases:** none


### Speak850

[App page](https://appshunter.io/ios/app/speak850-basic-english/id6781350311)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Speak850 Pro | $4.99 | one-time |


## Frequently asked questions

### Is Plain850：核心英文 850詞 free?

Plain850：核心英文 850詞 is free to download, with no in-app purchases.

### Is Speak850 free?

Speak850 is free to download, with in-app purchases available.

### Do Plain850：核心英文 850詞 or Speak850 have ads?

Neither Plain850：核心英文 850詞 nor Speak850 shows ads.

### Which is updated more often, Plain850：核心英文 850詞 or Speak850?

Plain850：核心英文 850詞 ships an update every 2 weeks, and Speak850 fortnightly. Most recently, Plain850：核心英文 850詞 was updated on October 9, 2026 and Speak850 on October 17, 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.*