# 材料力学 vs cFormula

The clearest difference is in-app purchases: 材料力学 at none against cFormula's 1. 材料力学 also leads on update cadence (every 2 months vs every 5 months). cFormula's advantage is iOS requirement (13.0 vs 15.5). On price, ads and device support there is nothing between them.

Both are free to download. cFormula sells 1 one-off in-app purchase. 材料力学 asks for nothing beyond the download.

材料力学 ships an update every 2 months, cFormula every 5 months. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 材料力学 | cFormula |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 5 months |
| Size | 8 MB | 13 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Risako Asai](https://appshunter.io/developer/1671273580) | [疆 边](https://appshunter.io/developer/1124320934) |

## What reviewers say

### 材料力学

[App page](https://appshunter.io/ios/app/id1643386130)

**Features:** macOS Compatibility

**In-app purchases:** none


### cFormula

[App page](https://appshunter.io/ios/app/cformula/id6475750528)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fully unlock app | $1.99 | one-time |


## Frequently asked questions

### Is 材料力学 free?

材料力学 is free to download, with no in-app purchases.

### Is cFormula free?

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

### Do 材料力学 or cFormula have ads?

Both 材料力学 and cFormula show ads.

### Which is updated more often, 材料力学 or cFormula?

材料力学 ships an update every 2 months, and cFormula every 5 months. Most recently, 材料力学 was updated on October 16, 2026 and cFormula on October 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.*