# Gann 9 vs ETNA Trader

The clearest difference is price: ETNA Trader at Free against Gann 9's $19.99. ETNA Trader also leads on review sentiment (60% vs 17%) and rating (4.3 vs 3.3). Gann 9's advantage is update cadence (every 2 weeks vs every 2 months). On ratings volume, ads and device support there is nothing between them.

ETNA Trader is free to download; Gann 9 costs $19.99 up front. Gann 9 sells 4 one-off in-app purchases. ETNA Trader asks for nothing beyond the download.

ETNA Trader holds the better App Store score, 4.3 against 3.3. Both are backed by a comparable volume of ratings — 13 and 31 respectively. Written reviews point the same way: 17% of Gann 9's written reviews are positive against 60% of ETNA Trader's.

Gann 9 ships an update every 2 weeks, ETNA Trader every 2 months. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Gann 9 | ETNA Trader |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | [3.3 (13 ratings)](https://appshunter.io/ios/app/gann-9/id562713600/reviews) | **[4.3 (31 ratings)](https://appshunter.io/ios/app/etna-trader/id658778917/reviews)** |
| Number of ratings | 13 | **31** |
| Positive reviews | 16.7% of reviews | **60.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Paid | **Free** |
| Size | 10 MB | 39 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [CIT Dates](https://appshunter.io/developer/467316587) | [ETNA Software Corp](https://appshunter.io/developer/527169064) |

## What reviewers say

### Gann 9

[App page](https://appshunter.io/ios/app/gann-9/id562713600)

Analyze stocks, forex, and indices using W.D. Gann's advanced tools, including the Square of 9. Predict support/resistance and trend changes with high accuracy. Offers automated angle selection and real-time market data.

**Highlights:** Square of 9 analysis, Predictive support/resistance levels, Trend change prediction (CIT dates), Automated Swing Angle selection, Trade signals and scanner, Real-time market data, Portfolio tracking

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bar Chart | $9.99 | one-time |
| Market scan | $9.99 | one-time |
| Vix market timing strategy | $19.99 | one-time |
| DJIA History | $49.99 | one-time |


### ETNA Trader

[App page](https://appshunter.io/ios/app/etna-trader/id658778917)

A mobile trading platform for individuals and financial firms, offering real-time data, customizable charts, and order management. It supports demo trading for practice and can be white-labeled for businesses.

**Highlights:** Real-time quotes and charts, Customizable watchlists, Options trading support, Order placement and management, Demo trading for practice, White-label customization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gann 9 free?

Gann 9 costs $19.99, and also offers in-app purchases.

### Is ETNA Trader free?

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

### Which has better reviews, Gann 9 or ETNA Trader?

ETNA Trader is rated higher. Gann 9 averages 3.3 out of 5 from 13 ratings, while ETNA Trader averages 4.3 from 31 ratings.

### Do Gann 9 or ETNA Trader have ads?

Neither Gann 9 nor ETNA Trader shows ads.

### Which is updated more often, Gann 9 or ETNA Trader?

Gann 9 ships an update every 2 weeks, and ETNA Trader every 2 months. Most recently, Gann 9 was updated on October 8, 2026 and ETNA Trader on October 12, 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.*