# 知谱教研 vs 石榴口语

The clearest difference is in-app purchases: 知谱教研 at none against 石榴口语's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 石榴口语 sells 1 one-off in-app purchase. 知谱教研 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 知谱教研 | 石榴口语 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 274 MB | 122 MB |
| Requires iOS | 12.4 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Beijing Zhongjiaoyi Artificial Intelligent Technology Co.,Ltd.](https://appshunter.io/developer/1639536743) | [Beijing Waiyan Online Digital Technology Co., Ltd.](https://appshunter.io/developer/1469175726) |

## What reviewers say

### 知谱教研

[App page](https://appshunter.io/ios/app/id1639536741)

**Features:** macOS Compatibility

**In-app purchases:** none


### 石榴口语

[App page](https://appshunter.io/ios/app/id6463709725)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 石榴口语月度会员 | $9.99 | one-time |


## Frequently asked questions

### Is 知谱教研 free?

知谱教研 is free to download, with no in-app purchases.

### Is 石榴口语 free?

石榴口语 is free to download, with in-app purchases available.

### Do 知谱教研 or 石榴口语 have ads?

Neither 知谱教研 nor 石榴口语 shows ads.

### Which is updated more often, 知谱教研 or 石榴口语?

知谱教研 ships an update every 2 months, and 石榴口语 every 2 months. Most recently, 知谱教研 was updated on September 13, 2026 and 石榴口语 on October 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.*