# Lexicon vs ChartBuddy

The clearest difference is in-app purchases: Lexicon at none against ChartBuddy's 10. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ChartBuddy sells 10 in-app purchases, starting at $9.99 per month. Lexicon asks for nothing beyond the download.

Lexicon ships an update every 9 days, ChartBuddy every 2 weeks. Both last shipped on November 5, 2026.

## The numbers

| Metric | Lexicon | ChartBuddy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (188 ratings)](https://appshunter.io/ios/app/chartbuddy-learn-trading/id6775106732/reviews)** |
| Number of ratings | — | **188** |
| Positive reviews | — | 91.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 106 MB | 78 MB |
| Requires iOS | 15.3 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ali Rezaiyan](https://appshunter.io/developer/1809683536) | [Noesisco](https://appshunter.io/developer/1895749468) |

## What reviewers say

### Lexicon

[App page](https://appshunter.io/ios/app/lexicon-master-vocabulary/id6753774009)

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

**In-app purchases:** none


### ChartBuddy

[App page](https://appshunter.io/ios/app/chartbuddy-learn-trading/id6775106732)

This app serves as a comprehensive pocket guide for traders of all levels, explaining complex trading terms, indicators, and patterns with custom diagrams and cheat sheets. It aims to build trading knowledge without requiring paid courses or subscriptions. The content is fully offline and organized into 12 categories.

**Highlights:** 195+ trading topics illustrated with diagrams, Explanations of candlestick and chart patterns, Definitions for indicators and smart money concepts, Fibonacci and market structure guides, Risk management and trading psychology sections, Fully offline access, Quizzes and flashcards for learning

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chart Coach Monthly | $9.99 | per month |
| All Access Monthly | $19.99 | per month |
| Chart Coach Annual | $59.99 | per year |
| ChartBuddy Stocks Add-On | $5.99 | one-time |
| ChartBuddy Forex Add-On | $5.99 | one-time |
| ChartBuddy Futures Add-On | $5.99 | one-time |
| ChartBuddy Options Add-On | $5.99 | one-time |
| ChartBuddy Core | $29.99 | one-time |
| ChartBuddy All Markets | $29.99 | one-time |
| ChartBuddy Ultimate | $49.99 | one-time |


## Frequently asked questions

### Is Lexicon free?

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

### Is ChartBuddy free?

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

### Do Lexicon or ChartBuddy have ads?

Neither Lexicon nor ChartBuddy shows ads.

### Which is updated more often, Lexicon or ChartBuddy?

Lexicon ships an update every 9 days, and ChartBuddy every 2 weeks. Most recently, Lexicon was updated on November 5, 2026 and ChartBuddy on November 5, 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.*