# 同行者养车 vs SZ Calc

The clearest difference is in-app purchases: 同行者养车 at none against SZ Calc's 4. 同行者养车 also leads on device support (3 vs 1) and iOS requirement (11.0 vs 16.0). On price and ads there is nothing between them.

Both are free to download. SZ Calc sells 4 one-off in-app purchases. 同行者养车 asks for nothing beyond the download.

## The numbers

| Metric | 同行者养车 | SZ Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 5 weeks |
| Size | 114 MB | 11 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Tongxingzhe Technology Co., Ltd](https://appshunter.io/developer/1507501051) | [玉君 陈](https://appshunter.io/developer/1830854776) |

## What reviewers say

### 同行者养车

[App page](https://appshunter.io/ios/app/id6444060237)

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

**In-app purchases:** none


### SZ Calc

[App page](https://appshunter.io/ios/app/sz-calc/id6757951650)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support the Developer | $0.99 | one-time |
| Support the Developer | $2.99 | one-time |
| Support the Developer | $4.99 | one-time |
| Support the Developer | $9.99 | one-time |


## Frequently asked questions

### Is 同行者养车 free?

同行者养车 is free to download, with no in-app purchases.

### Is SZ Calc free?

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

### Do 同行者养车 or SZ Calc have ads?

Neither 同行者养车 nor SZ Calc shows ads.

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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.*