# 土木众联 vs cFormula

The clearest difference is in-app purchases: 土木众联 at none against cFormula's 1. 土木众联 also leads on ads (none vs shown) and update cadence (monthly vs every 5 months). On price and device support there is nothing between them.

Both are free to download. cFormula sells 1 one-off in-app purchase. 土木众联 asks for nothing beyond the download.

土木众联 ships an update monthly, cFormula every 5 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 土木众联 | cFormula |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 5 months |
| Size | 17 MB | 13 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Civil Engineering Information Technology Co., Ltd.](https://appshunter.io/developer/1156806414) | [疆 边](https://appshunter.io/developer/1124320934) |

## What reviewers say

### 土木众联

[App page](https://appshunter.io/ios/app/id1156806415)

**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 土木众联 free?

土木众联 is free to download, with no in-app purchases.

### Is cFormula free?

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

### Do 土木众联 or cFormula have ads?

cFormula shows ads; 土木众联 does not.

### Which is updated more often, 土木众联 or cFormula?

土木众联 ships an update monthly, and cFormula every 5 months. Most recently, 土木众联 was updated on October 26, 2026 and cFormula on October 27, 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.*