# Irrigation Engineering vs TradePrep

The clearest difference is in-app purchases: Irrigation Engineering at none against TradePrep's 3. Irrigation Engineering also leads on iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. TradePrep sells 3 in-app purchases, starting at $9.99 per month. Irrigation Engineering asks for nothing beyond the download.

## The numbers

| Metric | Irrigation Engineering | TradePrep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 29 MB | 853 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Manish Kumar](https://appshunter.io/developer/1854995154) | [Shanghai Xushu Information Technology Co., Ltd.](https://appshunter.io/developer/1733615663) |

## What reviewers say

### Irrigation Engineering

[App page](https://appshunter.io/ios/app/irrigation-engineering/id6759316018)

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

**In-app purchases:** none


### TradePrep

[App page](https://appshunter.io/ios/app/tradeprep-license-exam-prep/id6761413123)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HardHat Prep Pro - Monthly | $9.99 | per month |
| HardHat Prep Pro - Quarterly | $19.99 | per 3 months |
| HardHat Prep Pro - Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Irrigation Engineering free?

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

### Is TradePrep free?

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

### Do Irrigation Engineering or TradePrep have ads?

Neither Irrigation Engineering nor TradePrep 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.*