# OperMain Tool vs E

The clearest difference is iOS requirement: OperMain Tool at 12.0 against E's 15.6. 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.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | OperMain Tool | E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 75 MB | 38 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen TBIT Technology Co., Ltd.](https://appshunter.io/developer/901283490) | [The prosecutor general's office of Mongolia](https://appshunter.io/developer/1896007632) |

## What reviewers say

### OperMain Tool

[App page](https://appshunter.io/ios/app/opermain-tool/id1572634245)

**Features:** macOS Compatibility

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-zurchil-app/id6765605583)

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

**In-app purchases:** none


## Frequently asked questions

### Is OperMain Tool free?

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

### Is E free?

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

### Do OperMain Tool or E have ads?

Neither OperMain Tool nor E shows ads.

### Which is updated more often, OperMain Tool or E?

OperMain Tool ships an update monthly, and E monthly. Most recently, OperMain Tool was updated on November 7, 2026 and E on November 9, 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.*