# Castilo9 vs Sauda Pro

The clearest difference is update cadence: Sauda Pro at every 4 days against Castilo9's monthly. Castilo9's advantage is iOS requirement (11.0 vs 15.0). 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.

Castilo9 ships an update monthly, Sauda Pro every 4 days. The most recent releases landed on September 7, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Castilo9 | Sauda Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free | — |
| Size | 44 MB | 13 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Janak Radadiya](https://appshunter.io/developer/1690549729) | [Maulik Soni](https://appshunter.io/developer/1735661346) |

## What reviewers say

### Castilo9

[App page](https://appshunter.io/ios/app/castilo9/id6449768599)

This app offers a simulated stock trading experience to help users understand the stock market and manage portfolios. It guides users through exploring the exchange, creating watchlists, and managing their virtual investments.

**Highlights:** Stock market exploration, Watchlist management, Portfolio management, Simulated trading experience, Understanding stock dynamics

**Features:** macOS Compatibility

**In-app purchases:** none


### Sauda Pro

[App page](https://appshunter.io/ios/app/sauda-pro/id6479346468)

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

**In-app purchases:** none


## Frequently asked questions

### Is Castilo9 free?

Castilo9 is free to download, with no in-app purchases.

### Is Sauda Pro free?

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

### Do Castilo9 or Sauda Pro have ads?

Neither Castilo9 nor Sauda Pro shows ads.

### Which is updated more often, Castilo9 or Sauda Pro?

Castilo9 ships an update monthly, and Sauda Pro every 4 days. Most recently, Castilo9 was updated on September 7, 2026 and Sauda Pro on September 17, 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.*