# O3Cube Pro vs Idemitsu Engage

O3Cube Pro and Idemitsu Engage are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

O3Cube Pro ships an update every 11 days, Idemitsu Engage every 3 weeks. The most recent releases landed on September 9, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | O3Cube Pro | Idemitsu Engage |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Size | 42 MB | 43 MB |
| Requires iOS | **18.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [ABACUS DESK IT SOLUTIONS PRIVATE LIMITED](https://appshunter.io/developer/1460244190) | [IDEMITSU LUBE INDIA PRIVATE LIMITED](https://appshunter.io/developer/1725118686) |

## What reviewers say

### O3Cube Pro

[App page](https://appshunter.io/ios/app/o3cube-pro/id6466695621)

**Features:** macOS Compatibility

**In-app purchases:** none


### Idemitsu Engage

[App page](https://appshunter.io/ios/app/idemitsu-engage/id6475770037)

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

**In-app purchases:** none


## Frequently asked questions

### Is O3Cube Pro free?

O3Cube Pro is free to download, with no in-app purchases.

### Is Idemitsu Engage free?

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

### Do O3Cube Pro or Idemitsu Engage have ads?

Neither O3Cube Pro nor Idemitsu Engage shows ads.

### Which is updated more often, O3Cube Pro or Idemitsu Engage?

O3Cube Pro ships an update every 11 days, and Idemitsu Engage every 3 weeks. Most recently, O3Cube Pro was updated on September 9, 2026 and Idemitsu Engage on September 16, 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.*