# Castilo9 vs AlgoTradingAI

The clearest difference is review sentiment: AlgoTradingAI at 100% against Castilo9's 0%. AlgoTradingAI also leads on update cadence (weekly vs monthly). Castilo9's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, 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, AlgoTradingAI weekly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Castilo9 | AlgoTradingAI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 44 MB | 67 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Janak Radadiya](https://appshunter.io/developer/1690549729) | [Tychee](https://appshunter.io/developer/1825838084) |

## 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


### AlgoTradingAI

[App page](https://appshunter.io/ios/app/algotradingai/id6790474046)

This AI-powered app helps you understand India's stock markets. Learn chart patterns, get AI-graded signals, and practice trading in a risk-free environment. It's designed to make you a smarter, more informed trader.

**Highlights:** AI-graded trade signals, AI Advisor for symbol explanations, Real-time chart pattern detection, Risk-free backtesting playground, Morning scan for high-conviction setups, Watchlist and alerts, Optional broker connection

**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 AlgoTradingAI free?

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

### Do Castilo9 or AlgoTradingAI have ads?

AlgoTradingAI shows ads; Castilo9 does not.

### Which is updated more often, Castilo9 or AlgoTradingAI?

Castilo9 ships an update monthly, and AlgoTradingAI weekly. Most recently, Castilo9 was updated on November 3, 2026 and AlgoTradingAI on October 31, 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.*