# SIUI PIE vs FarmaProm

The clearest difference is price: FarmaProm at Free against SIUI PIE's $19.99. FarmaProm also leads on update cadence (every 2 weeks vs every 19 months). SIUI PIE's advantage is iOS requirement (9.0 vs 18.6). On ads, in-app purchases and device support there is nothing between them.

FarmaProm is free to download; SIUI PIE costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SIUI PIE ships an update every 19 months, FarmaProm every 2 weeks. Both last shipped on November 1, 2026.

## The numbers

| Metric | SIUI PIE | FarmaProm |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 2 weeks** |
| Size | 5 MB | 110 MB |
| Requires iOS | **9.0** | 18.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Shantou Institute of Ultrasonic Inst. Co., Ltd.](https://appshunter.io/developer/406261738) | [FARMAPROM SP Z O O](https://appshunter.io/developer/646321903) |

## What reviewers say

### SIUI PIE

[App page](https://appshunter.io/ios/app/siui-pie-3-hd/id434350466)

**Features:** macOS Compatibility

**In-app purchases:** none


### FarmaProm

[App page](https://appshunter.io/ios/app/farmaprom/id646321900)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SIUI PIE free?

SIUI PIE costs $19.99, with no in-app purchases.

### Is FarmaProm free?

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

### Do SIUI PIE or FarmaProm have ads?

Neither SIUI PIE nor FarmaProm shows ads.

### Which is updated more often, SIUI PIE or FarmaProm?

SIUI PIE ships an update every 19 months, and FarmaProm every 2 weeks. Most recently, SIUI PIE was updated on November 1, 2026 and FarmaProm on November 1, 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.*