# OEE Tools vs E

The clearest difference is update cadence: OEE Tools at every 3 weeks against E's every 4 months. 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.

OEE Tools ships an update every 3 weeks, E every 4 months. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | OEE Tools | E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Size | 41 MB | 80 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Aleksander Niemczyk](https://appshunter.io/developer/1442518749) | [AEON ENERGY LTD](https://appshunter.io/developer/1881607968) |

## What reviewers say

### OEE Tools

[App page](https://appshunter.io/ios/app/oee-tools/id1527732937)

**Features:** macOS Compatibility

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-os-home/id6759914126)

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

**In-app purchases:** none


## Frequently asked questions

### Is OEE Tools free?

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

### Is E free?

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

### Do OEE Tools or E have ads?

Neither OEE Tools nor E shows ads.

### Which is updated more often, OEE Tools or E?

OEE Tools ships an update every 3 weeks, and E every 4 months. Most recently, OEE Tools was updated on October 29, 2026 and E on October 28, 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.*