# Diesel Plus Management vs Neptun Deep

The clearest difference is update cadence: Neptun Deep at every 6 weeks against Diesel Plus Management's every 20 months. Diesel Plus Management's advantage is iOS requirement (13.0 vs 16.6). 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.

Diesel Plus Management ships an update every 20 months, Neptun Deep every 6 weeks. Both last shipped on October 27, 2026.

## The numbers

| Metric | Diesel Plus Management | Neptun Deep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 6 weeks** |
| Size | 86 MB | 60 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Smart Management Invest](https://appshunter.io/developer/1557450299) | [OMV Petrom](https://appshunter.io/developer/1567036456) |

## What reviewers say

### Diesel Plus Management

[App page](https://appshunter.io/ios/app/diesel-plus-management/id1557450297)

**Features:** macOS Compatibility

**In-app purchases:** none


### Neptun Deep

[App page](https://appshunter.io/ios/app/neptun-deep/id6445847635)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Diesel Plus Management free?

Diesel Plus Management is free to download, with no in-app purchases.

### Is Neptun Deep free?

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

### Do Diesel Plus Management or Neptun Deep have ads?

Neither Diesel Plus Management nor Neptun Deep shows ads.

### Which is updated more often, Diesel Plus Management or Neptun Deep?

Diesel Plus Management ships an update every 20 months, and Neptun Deep every 6 weeks. Most recently, Diesel Plus Management was updated on October 27, 2026 and Neptun Deep on October 27, 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.*