# E4Keys vs Kubets

The clearest difference is in-app purchases: Kubets at none against E4Keys's 3. E4Keys's advantage is update cadence (monthly vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. E4Keys sells 3 in-app purchases, starting at $1.99 per month. Kubets asks for nothing beyond the download.

E4Keys ships an update monthly, Kubets every 6 months. The most recent releases landed on September 9, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | E4Keys | Kubets |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 months |
| Size | 47 MB | 250 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CARLOS GOMES DE OLIVEIRA](https://appshunter.io/developer/1576926646) | [MBR Tecnologia Educacional](https://appshunter.io/developer/1521916802) |

## What reviewers say

### E4Keys

[App page](https://appshunter.io/ios/app/e4keys/id1604234563)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Assinatura Mensal | $1.99 | per month |
| Assinatura Semestral | $9.99 | per 6 months |
| Assinatura Anual | $14.99 | per year |


### Kubets

[App page](https://appshunter.io/ios/app/kubets/id1611365999)

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

**In-app purchases:** none


## Frequently asked questions

### Is E4Keys free?

E4Keys is free to download, with in-app purchases available.

### Is Kubets free?

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

### Do E4Keys or Kubets have ads?

Neither E4Keys nor Kubets shows ads.

### Which is updated more often, E4Keys or Kubets?

E4Keys ships an update monthly, and Kubets every 6 months. Most recently, E4Keys was updated on September 9, 2026 and Kubets on September 13, 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.*