# Diplo KSA vs Osool FM

The clearest difference is update cadence: Osool FM at every 3 weeks against Diplo KSA's every 3 months. Diplo KSA's advantage is iOS requirement (13.0 vs 15.6). 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.

Diplo KSA ships an update every 3 months, Osool FM every 3 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Diplo KSA | Osool FM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/diplo-ksa/id6468929651/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 21 MB | 46 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [General Authority for Zakat & Tax](https://appshunter.io/developer/1147199045) | [ESolutions Saudia](https://appshunter.io/developer/1477971313) |

## What reviewers say

### Diplo KSA

[App page](https://appshunter.io/ios/app/diplo-ksa/id6468929651)

This application streamlines invoice processing for diplomatic missions with Saudi Arabia's tax authority. It simplifies transactions related to Zakat, tax, and customs.

**Highlights:** Invoice processing for diplomatic missions, Zakat, Tax, and Customs authority integration, Facilitates Saudi Arabia tax transactions, Streamlines diplomatic mission finances

**Features:** macOS Compatibility

**In-app purchases:** none


### Osool FM

[App page](https://appshunter.io/ios/app/osool-fm/id6739220397)

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

**In-app purchases:** none


## Frequently asked questions

### Is Diplo KSA free?

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

### Is Osool FM free?

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

### Do Diplo KSA or Osool FM have ads?

Neither Diplo KSA nor Osool FM shows ads.

### Which is updated more often, Diplo KSA or Osool FM?

Diplo KSA ships an update every 3 months, and Osool FM every 3 weeks. Most recently, Diplo KSA was updated on November 3, 2026 and Osool FM on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*