# Hydraulic schemes vs AFI Xpense 2

The clearest difference is price: AFI Xpense 2 at Free against Hydraulic schemes's $0.99. AFI Xpense 2 also leads on in-app purchases (none vs 1). Hydraulic schemes's advantage is update cadence (every 2 weeks vs every 3 months) and device support (3 vs 1). On ads there is nothing between them.

AFI Xpense 2 is free to download; Hydraulic schemes costs $0.99 up front. Hydraulic schemes sells 1 one-off in-app purchase. AFI Xpense 2 asks for nothing beyond the download.

Hydraulic schemes ships an update every 2 weeks, AFI Xpense 2 every 3 months. The most recent releases landed on November 12, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Hydraulic schemes | AFI Xpense 2 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| 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** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 123 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Angel Martinez](https://appshunter.io/developer/1446956865) | [AFI Solutions GmbH](https://appshunter.io/developer/1463512517) |

## 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 |


### AFI Xpense 2

[App page](https://appshunter.io/ios/app/afi-xpense-2/id6463595705)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Hydraulic schemes free?

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

### Is AFI Xpense 2 free?

AFI Xpense 2 is free to download, with no in-app purchases.

### Do Hydraulic schemes or AFI Xpense 2 have ads?

Neither Hydraulic schemes nor AFI Xpense 2 shows ads.

### Which is updated more often, Hydraulic schemes or AFI Xpense 2?

Hydraulic schemes ships an update every 2 weeks, and AFI Xpense 2 every 3 months. Most recently, Hydraulic schemes was updated on November 12, 2026 and AFI Xpense 2 on November 7, 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.*