# 上课不走神 vs Formula Motion

The clearest difference is price: 上课不走神 at Free against Formula Motion's $0.99. 上课不走神 also leads on iOS requirement (9.0 vs 16.6). Formula Motion's advantage is update cadence (monthly vs every 33 months). On ads, in-app purchases and device support there is nothing between them.

上课不走神 is free to download; Formula Motion costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

上课不走神 ships an update every 33 months, Formula Motion monthly. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 上课不走神 | Formula Motion |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Monthly** |
| Monetization | — | Paid |
| Size | 33 MB | 40 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [涛 陈](https://appshunter.io/developer/1509220765) | [锐 冯](https://appshunter.io/developer/1896254031) |

## What reviewers say

### 上课不走神

[App page](https://appshunter.io/ios/app/id1471859593)

**Features:** macOS Compatibility

**In-app purchases:** none


### Formula Motion

[App page](https://appshunter.io/ios/app/formula-motion/id6769649267)

This app transforms abstract mathematical concepts into engaging visual animations. It helps users understand formulas, theorems, and patterns through step-by-step explanations and diagrams. Ideal for both quick learning on the go and deeper exploration on larger screens.

**Highlights:** Animated math formulas, Geometry theorem visualizations, Number pattern animations, Step-by-step explanations, Diagram-based reasoning, Key takeaways for math concepts

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

**In-app purchases:** none


## Frequently asked questions

### Is 上课不走神 free?

上课不走神 is free to download, with no in-app purchases.

### Is Formula Motion free?

Formula Motion costs $0.99, with no in-app purchases.

### Do 上课不走神 or Formula Motion have ads?

Neither 上课不走神 nor Formula Motion shows ads.

### Which is updated more often, 上课不走神 or Formula Motion?

上课不走神 ships an update every 33 months, and Formula Motion monthly. Most recently, 上课不走神 was updated on October 7, 2026 and Formula Motion on October 16, 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.*