# האיגוד המדעי vs Perfix

The clearest difference is iOS requirement: Perfix at 13.4 against האיגוד המדעי's 15.2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

האיגוד המדעי ships an update every 6 weeks, Perfix every 2 months. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | האיגוד המדעי | Perfix |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 57 MB | 48 MB |
| Requires iOS | 15.2 | **13.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SLATECH LTD](https://appshunter.io/developer/492025421) | [Ahmad Haj Yahya](https://appshunter.io/developer/1824611708) |

## What reviewers say

### האיגוד המדעי

[App page](https://appshunter.io/ios/app/id1218331166)

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

**In-app purchases:** none


### Perfix

[App page](https://appshunter.io/ios/app/perfix/id6748208967)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is האיגוד המדעי free?

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

### Is Perfix free?

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

### Do האיגוד המדעי or Perfix have ads?

Neither האיגוד המדעי nor Perfix shows ads.

### Which is updated more often, האיגוד המדעי or Perfix?

האיגוד המדעי ships an update every 6 weeks, and Perfix every 2 months. Most recently, האיגוד המדעי was updated on November 2, 2026 and Perfix on November 5, 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.*