# Quant Data vs Sigma Trade

The clearest difference is rating: Sigma Trade at 5.0 against Quant Data's 4.5. Sigma Trade also leads on monetization model (free vs free with in-app purchases) and review sentiment (100% vs 80%). Quant Data's advantage is chart position (#183 vs unranked). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Quant Data sells 4 in-app purchases, starting at $74.99 per month and Sigma Trade sells 2 in-app purchases, starting at $39.99 per month. Whichever you choose, the download price is not the number that matters.

Sigma Trade holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 43 and 44 respectively. Written reviews point the same way: 80% of Quant Data's written reviews are positive against 100% of Sigma Trade's.

Quant Data ships an update every 3 weeks, Sigma Trade every 10 days. The most recent releases landed on September 3, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Quant Data | Sigma Trade |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (43 ratings)](https://appshunter.io/ios/app/quant-data/id1602108613/reviews) | **[5.0 (44 ratings)](https://appshunter.io/ios/app/sigma-trade/id6474944464/reviews)** |
| Number of ratings | 43 | **44** |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#183** | — |
| Size | 75 MB | 62 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Quant Data LLC](https://appshunter.io/developer/1602108615) | [Opción Sigma Trade](https://appshunter.io/developer/1722879663) |

## What reviewers say

### Quant Data

[App page](https://appshunter.io/ios/app/quant-data/id1602108613)

**Currently charting:** #183 Top Grossing · Finance (US App Store)

Access real-time options order flow, including off-exchange trades and Dark Pool prints. This platform provides algorithmic scans and quantitative reports to give retail traders an edge in the options market.

**Highlights:** Real-time options order flow, Dark & Lit Pool prints, Algorithmic Quant Alerts, News + Sentiment analysis, Customizable filters & watchlist, Quantitative stock reports

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $74.99 | per month |
| Monthly Subscription (Trial) | $74.99 | per month |
| Yearly Subscription | $799.99 | per year |
| Yearly Subscription (Trial) | $799.99 | per year |


### Sigma Trade

[App page](https://appshunter.io/ios/app/sigma-trade/id6474944464)

An investment platform designed for the Hispanic community, offering tools for US securities trading with competitive costs. It provides an intuitive interface for new investors and advanced analysis for experienced traders, all in Spanish.

**Highlights:** US securities trading, Zero commission stocks and ETFs, Options on indexes, Spanish language support, Intuitive interface, Graphic and analysis tools

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sigma Full — Monthly | $39.99 | per month |
| Sigma Full — Annual | $329.99 | per year |


## Frequently asked questions

### Is Quant Data free?

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

### Is Sigma Trade free?

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

### Which has better reviews, Quant Data or Sigma Trade?

Sigma Trade is rated higher. Quant Data averages 4.5 out of 5 from 43 ratings, while Sigma Trade averages 5.0 from 44 ratings.

### Do Quant Data or Sigma Trade have ads?

Neither Quant Data nor Sigma Trade shows ads.

### Which is updated more often, Quant Data or Sigma Trade?

Quant Data ships an update every 3 weeks, and Sigma Trade every 10 days. Most recently, Quant Data was updated on September 3, 2026 and Sigma Trade on September 16, 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.*