# E vs IBR PETROLEUM

The clearest difference is update cadence: IBR PETROLEUM at every 2 months against E's every 6 months. E's advantage is iOS requirement (8.0 vs 16.4). 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.

E ships an update every 6 months, IBR PETROLEUM every 2 months. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | E | IBR PETROLEUM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Size | 76 MB | 65 MB |
| Requires iOS | **8.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [High Judicial and Prosecutorial Council of Bosnia and Herzegovina](https://appshunter.io/developer/1375560631) | [Abdirakhmanov Rustam](https://appshunter.io/developer/1650342505) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-sud/id1227698478)

**Features:** macOS Compatibility

**In-app purchases:** none


### IBR PETROLEUM

[App page](https://appshunter.io/ios/app/ibr-petroleum/id6449821470)

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

**In-app purchases:** none


## Frequently asked questions

### Is E free?

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

### Is IBR PETROLEUM free?

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

### Do E or IBR PETROLEUM have ads?

Neither E nor IBR PETROLEUM shows ads.

### Which is updated more often, E or IBR PETROLEUM?

E ships an update every 6 months, and IBR PETROLEUM every 2 months. Most recently, E was updated on October 13, 2026 and IBR PETROLEUM on October 12, 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.*