# ModelTrader AI vs Chart AI

The clearest difference is in-app purchases: ModelTrader AI at none against Chart AI's 2. ModelTrader AI also leads on update cadence (every 3 weeks vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Chart AI sells 2 in-app purchases, starting at $3.99 per 7 days. ModelTrader AI asks for nothing beyond the download.

ModelTrader AI ships an update every 3 weeks, Chart AI every 4 months. The most recent releases landed on October 9, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | ModelTrader AI | Chart AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Size | 41 MB | 271 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ZenKoder LLC](https://appshunter.io/developer/1646949252) | [VIKSVA, MB](https://appshunter.io/developer/1821126705) |

## What reviewers say

### ModelTrader AI

[App page](https://appshunter.io/ios/app/modeltrader-ai/id6754617244)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chart AI

[App page](https://appshunter.io/ios/app/chart-ai-technical-analysis/id6758459765)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $3.99 | per 7 days |
| Annual subscription | $34.99 | per year |


## Frequently asked questions

### Is ModelTrader AI free?

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

### Is Chart AI free?

Chart AI is free to download, with in-app purchases available.

### Do ModelTrader AI or Chart AI have ads?

Neither ModelTrader AI nor Chart AI shows ads.

### Which is updated more often, ModelTrader AI or Chart AI?

ModelTrader AI ships an update every 3 weeks, and Chart AI every 4 months. Most recently, ModelTrader AI was updated on October 9, 2026 and Chart AI on October 22, 2026.

---

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