# Hydraulic schemes vs Simple DBF

The clearest difference is in-app purchases: Simple DBF at none against Hydraulic schemes's 1. Hydraulic schemes's advantage is price ($0.99 vs $2.99) and iOS requirement (11.0 vs 17.5). On ads and device support there is nothing between them.

Hydraulic schemes costs $0.99 and Simple DBF $2.99 up front. Hydraulic schemes sells 1 one-off in-app purchase. Simple DBF asks for nothing beyond the download.

## The numbers

| Metric | Hydraulic schemes | Simple DBF |
| --- | --- | --- |
| Price | **$0.99** | $2.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hydraulic-schemes/id1602894931/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 76.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 1 MB |
| Requires iOS | **11.0** | 17.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Angel Martinez](https://appshunter.io/developer/1446956865) | [Michael Shapiro](https://appshunter.io/developer/1757335835) |

## What reviewers say

### Hydraulic schemes

[App page](https://appshunter.io/ios/app/hydraulic-schemes/id1602894931)

Easily design hydraulic, heating, cooling, and air conditioning schematics. Drag and drop symbols to quickly build your diagrams. Save and edit your work with the PRO version.

**Highlights:** Create hydraulic schemes, Drag and drop symbol placement, Extensive symbol library, Save and edit schemes (PRO), Export as image or PDF, Multiple HVAC system support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads, save/edit diagram | $3.99 | one-time |


### Simple DBF

[App page](https://appshunter.io/ios/app/simple-dbf/id6596729794)

**In-app purchases:** none


## Frequently asked questions

### Is Hydraulic schemes free?

Hydraulic schemes costs $0.99, and also offers in-app purchases.

### Is Simple DBF free?

Simple DBF costs $2.99, with no in-app purchases.

### Do Hydraulic schemes or Simple DBF have ads?

Neither Hydraulic schemes nor Simple DBF 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.*