# KOil vs RDIAS

The clearest difference is update cadence: RDIAS at monthly against KOil's every 38 months. 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.

KOil ships an update every 38 months, RDIAS monthly. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | KOil | RDIAS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Monthly** |
| Size | 40 MB | 45 MB |
| Requires iOS | 16.6 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Khaled Alsalem](https://appshunter.io/developer/1441688302) | [nishi kant](https://appshunter.io/developer/1474235760) |

## What reviewers say

### KOil

[App page](https://appshunter.io/ios/app/koil/id1446544213)

**Features:** macOS Compatibility

**In-app purchases:** none


### RDIAS

[App page](https://appshunter.io/ios/app/rdias/id1474235761)

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

**In-app purchases:** none


## Frequently asked questions

### Is KOil free?

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

### Is RDIAS free?

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

### Do KOil or RDIAS have ads?

Neither KOil nor RDIAS shows ads.

### Which is updated more often, KOil or RDIAS?

KOil ships an update every 38 months, and RDIAS monthly. Most recently, KOil was updated on October 14, 2026 and RDIAS on October 10, 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.*