# Opificium vs eeV（イーブイ）

The clearest difference is update cadence: eeV（イーブイ） at every 2 months against Opificium's every 6 months. Opificium's advantage is iOS requirement (12.0 vs 14.0). 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.

Opificium ships an update every 6 months, eeV（イーブイ） every 2 months. The most recent releases landed on May 16, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Opificium | eeV（イーブイ） |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Size | 87 MB | 44 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [CONSIGLIO NAZIONALE DEI PERITI INDUSTRIALI E DEI PERITI INDUSTRIALI LAUREATI](https://appshunter.io/developer/1088211331) | [REXEV Inc.](https://appshunter.io/developer/1509926736) |

## What reviewers say

### Opificium

[App page](https://appshunter.io/ios/app/opificium/id1088211332)

**In-app purchases:** none


### eeV（イーブイ）

[App page](https://appshunter.io/ios/app/eev/id1586258700)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Opificium free?

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

### Is eeV（イーブイ） free?

eeV（イーブイ） is free to download, with no in-app purchases.

### Do Opificium or eeV（イーブイ） have ads?

Neither Opificium nor eeV（イーブイ） shows ads.

### Which is updated more often, Opificium or eeV（イーブイ）?

Opificium ships an update every 6 months, and eeV（イーブイ） every 2 months. Most recently, Opificium was updated on May 16, 2026 and eeV（イーブイ） on September 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.*