# e vs oinvo

The clearest difference is iOS requirement: oinvo at 12.0 against e's 15.0. 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.

e ships an update every 3 months, oinvo every 6 months. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | e | oinvo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (19 ratings)](https://appshunter.io/ios/app/e-gorus/id1548485824/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 21.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Free | — |
| Size | 70 MB | 171 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Türk Telekom A.Ş.](https://appshunter.io/developer/317546772) | [Arslanlar Grup Gida Telekom Sanayi Ticaret ve Pazarlama Anonim Sirketi](https://appshunter.io/developer/1619740682) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e-gorus/id1548485824)

This mobile application facilitates communication within correctional facilities through smart technology. It enables secure video calls and interactions between inmates and their legal representatives or authorized visitors.

**Highlights:** Secure video communication, Inmate-to-legal representative calls, Smart technology integration, Correctional facility communication

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

**In-app purchases:** none


### oinvo

[App page](https://appshunter.io/ios/app/oinvo/id1619740680)

**In-app purchases:** none


## Frequently asked questions

### Is e free?

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

### Is oinvo free?

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

### Do e or oinvo have ads?

Neither e nor oinvo shows ads.

### Which is updated more often, e or oinvo?

e ships an update every 3 months, and oinvo every 6 months. Most recently, e was updated on October 11, 2026 and oinvo on October 6, 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.*