# Holy Grace Engineering vs Smart Campus |

The clearest difference is iOS requirement: Holy Grace Engineering at 13.0 against Smart Campus |'s 15.6. On price, ads, 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.

## The numbers

| Metric | Holy Grace Engineering | Smart Campus | |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Size | 36 MB | 33 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [CodeSpace Technologies](https://appshunter.io/developer/1701934289) | [Topscore Solutions Pvt Ltd](https://appshunter.io/developer/1816678200) |

## What reviewers say

### Holy Grace Engineering

[App page](https://appshunter.io/ios/app/holy-grace-engineering/id6738623528)

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Campus |

[App page](https://appshunter.io/ios/app/smart-campus/id6746404807)

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

**In-app purchases:** none


## Frequently asked questions

### Is Holy Grace Engineering free?

Holy Grace Engineering is free to download, with no in-app purchases.

### Is Smart Campus | free?

Smart Campus | is free to download, with no in-app purchases.

### Do Holy Grace Engineering or Smart Campus | have ads?

Neither Holy Grace Engineering nor Smart Campus | 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.*