# 数学口算 vs MindKnow

The clearest difference is ads: MindKnow at none against 数学口算's shown. 数学口算's advantage is update cadence (daily vs every 8 days) and iOS requirement (15.6 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

数学口算 ships an update daily, MindKnow every 8 days. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | 数学口算 | MindKnow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/mindknow/id6808072867/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 8 days |
| Monetization | — | Free |
| Size | 16 MB | 8 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Duoxiang Technology Co., Ltd](https://appshunter.io/developer/1534573413) | [晨 朱](https://appshunter.io/developer/6797547551) |

## What reviewers say

### 数学口算

[App page](https://appshunter.io/ios/app/id6744143332)

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

**In-app purchases:** none


### MindKnow

[App page](https://appshunter.io/ios/app/mindknow/id6808072867)

This app offers a curated video discovery experience focused on learning and reflection. Explore content across three distinct worlds, capture your insights, and build a personal knowledge network. Move beyond mindless scrolling to gain deeper understanding and inspiration.

**Highlights:** Curated video content exploration, Three distinct learning worlds, Capture personal insights and thoughts, Build a personal knowledge network, Intentional content discovery, Reflection and knowledge building

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

**In-app purchases:** none


## Frequently asked questions

### Is 数学口算 free?

数学口算 is free to download, with no in-app purchases.

### Is MindKnow free?

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

### Do 数学口算 or MindKnow have ads?

数学口算 shows ads; MindKnow does not.

### Which is updated more often, 数学口算 or MindKnow?

数学口算 ships an update daily, and MindKnow every 8 days. Most recently, 数学口算 was updated on November 5, 2026 and MindKnow on November 10, 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.*