# PhiMasterClass vs Feker Ko 4

The clearest difference is ads: PhiMasterClass at none against Feker Ko 4's shown. PhiMasterClass also leads on update cadence (every 2 days vs every 73 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

PhiMasterClass ships an update every 2 days, Feker Ko 4 every 73 months. The most recent releases landed on October 4, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | PhiMasterClass | Feker Ko 4 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 73 months |
| Monetization | — | Free |
| Size | 66 MB | 20 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Branko Babic](https://appshunter.io/developer/1231442637) | [Afghan Voice CIC](https://appshunter.io/developer/897290529) |

## What reviewers say

### PhiMasterClass

[App page](https://appshunter.io/ios/app/phimasterclass/id1470586273)

**Features:** macOS Compatibility

**In-app purchases:** none


### Feker Ko 4

[App page](https://appshunter.io/ios/app/feker-ko-4/id1515835515)

This educational game presents jumbled letters from which you must form a target word. It's designed to enhance thinking speed and intelligence, with a regularly updated word database.

**Highlights:** Jumbled letter word formation, Develops thinking speed, Enhances intelligence, Regularly updated word database, Addictive gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PhiMasterClass free?

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

### Is Feker Ko 4 free?

Feker Ko 4 is free to download, with no in-app purchases.

### Do PhiMasterClass or Feker Ko 4 have ads?

Feker Ko 4 shows ads; PhiMasterClass does not.

### Which is updated more often, PhiMasterClass or Feker Ko 4?

PhiMasterClass ships an update every 2 days, and Feker Ko 4 every 73 months. Most recently, PhiMasterClass was updated on October 4, 2026 and Feker Ko 4 on October 20, 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.*