# 核心英语速记 vs Speak850

The clearest difference is in-app purchases: 核心英语速记 at none against Speak850's 1. Speak850's advantage is update cadence (fortnightly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Speak850 sells 1 one-off in-app purchase. 核心英语速记 asks for nothing beyond the download.

核心英语速记 ships an update every 2 months, Speak850 fortnightly. The most recent releases landed on October 6, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 核心英语速记 | Speak850 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 8 MB | 5 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [志平 戴](https://appshunter.io/developer/1896432189) | [YI LIU](https://appshunter.io/developer/6777746488) |

## What reviewers say

### 核心英语速记

[App page](https://appshunter.io/ios/app/id6774903181)

**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 核心英语速记 free?

核心英语速记 is free to download, with no in-app purchases.

### Is Speak850 free?

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

### Do 核心英语速记 or Speak850 have ads?

Neither 核心英语速记 nor Speak850 shows ads.

### Which is updated more often, 核心英语速记 or Speak850?

核心英语速记 ships an update every 2 months, and Speak850 fortnightly. Most recently, 核心英语速记 was updated on October 6, 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.*