# OASES vs MRO

The clearest difference is update cadence: MRO at weekly against OASES's monthly. OASES's advantage is iOS requirement (12.1 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.

OASES ships an update monthly, MRO weekly. The most recent releases landed on September 29, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | OASES | MRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/mro-pro/id1527978428/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | — | Free |
| Size | 86 MB | 75 MB |
| Requires iOS | **12.1** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Communications Software Airline Systems Limited](https://appshunter.io/developer/1453573280) | [MRO-PRO](https://appshunter.io/developer/1527978430) |

## What reviewers say

### OASES

[App page](https://appshunter.io/ios/app/oases/id1453573282)

**Features:** macOS Compatibility

**In-app purchases:** none


### MRO

[App page](https://appshunter.io/ios/app/mro-pro/id1527978428)

This business application digitizes aircraft maintenance, overhaul, and repair processes. It offers features like work order management, inventory control, and compliance tracking to improve accuracy and efficiency.

**Highlights:** Work Order live maintenance capture, Inventory control, Tooling control, Personal compliance tracking, Station compliance tracking, Authorization list management, Invoicing

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

**In-app purchases:** none


## Frequently asked questions

### Is OASES free?

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

### Is MRO free?

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

### Do OASES or MRO have ads?

Neither OASES nor MRO shows ads.

### Which is updated more often, OASES or MRO?

OASES ships an update monthly, and MRO weekly. Most recently, OASES was updated on September 29, 2026 and MRO on October 2, 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.*