# Chart AI vs ShellRef

The clearest difference is price: Chart AI at Free against ShellRef's $0.99. Chart AI also leads on ratings volume (4 vs 1). ShellRef's advantage is in-app purchases (none vs 4) and update cadence (every 3 weeks vs every 19 months). On rating, ads, device support and iOS requirement there is nothing between them.

Chart AI is free to download; ShellRef costs $0.99 up front. Chart AI sells 3 in-app purchases, starting at $3.99 per 7 days. ShellRef asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Chart AI against 5.0 for ShellRef. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Chart AI ships an update every 19 months, ShellRef every 3 weeks. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Chart AI | ShellRef |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/chart-ai-trading-analysis-ta/id6741730167/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/shellref/id6759814118/reviews) |
| Number of ratings | **4** | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 3 weeks** |
| Monetization | Subscription | **Paid** |
| Size | 26 MB | 19 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Ekrem Alkan](https://appshunter.io/developer/1679503095) | [Andrew Bacon](https://appshunter.io/developer/1817531814) |

## What reviewers say

### Chart AI

[App page](https://appshunter.io/ios/app/chart-ai-trading-analysis-ta/id6741730167)

This app uses AI to analyze trading charts, providing step-by-step insights, market trends, and custom trading plans. Simply upload or capture a chart to receive data-driven information for more confident trading decisions.

**Highlights:** AI-powered chart analysis, Market pattern detection, Actionable trading insights, Custom trading plans, Save and share analyses

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Chart Analysis | $3.99 | per 7 days |
| Unlimited Chart Analysis | $12.99 | per month |
| Unlimited Chart Analysis | $24.99 | per year |


### ShellRef

[App page](https://appshunter.io/ios/app/shellref/id6759814118)

This app provides an offline reference for Bash, Zsh, and terminal editors, mimicking a retro technical manual. It's ideal for quickly looking up commands, syntax, and scripting practices without needing an internet connection. Features include search, bookmarks, and customizable display themes.

**Highlights:** Offline Bash and Zsh reference, Terminal editor guides (Nano, Vim, Emacs), Quick command lookup, Searchable content, Customizable themes, Adjustable text size, Bookmarks

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chart AI free?

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

### Is ShellRef free?

ShellRef costs $0.99, with no in-app purchases.

### Which has better reviews, Chart AI or ShellRef?

Chart AI and ShellRef are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do Chart AI or ShellRef have ads?

Neither Chart AI nor ShellRef shows ads.

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

Chart AI ships an update every 19 months, and ShellRef every 3 weeks. Most recently, Chart AI was updated on October 9, 2026 and ShellRef on October 2, 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.*