# ISI Sys vs iPoultry

The clearest difference is update cadence: ISI Sys at every 2 weeks against iPoultry's every 2 months. iPoultry's advantage is iOS requirement (13.2 vs 15.0). 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.

ISI Sys ships an update every 2 weeks, iPoultry every 2 months. The most recent releases landed on October 11, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | ISI Sys | iPoultry |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 142 MB | 34 MB |
| Requires iOS | 15.0 | **13.2** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Intersoft](https://appshunter.io/developer/1480525187) | [Idealogic Technologies sdn bhd](https://appshunter.io/developer/1704622752) |

## What reviewers say

### ISI Sys

[App page](https://appshunter.io/ios/app/isi-sys/id1628666266)

**Features:** Vision Pro support

**In-app purchases:** none


### iPoultry

[App page](https://appshunter.io/ios/app/ipoultry/id6463606473)

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

**In-app purchases:** none


## Frequently asked questions

### Is ISI Sys free?

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

### Is iPoultry free?

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

### Do ISI Sys or iPoultry have ads?

Neither ISI Sys nor iPoultry shows ads.

### Which is updated more often, ISI Sys or iPoultry?

ISI Sys ships an update every 2 weeks, and iPoultry every 2 months. Most recently, ISI Sys was updated on October 11, 2026 and iPoultry on September 29, 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.*