# Ark Admin vs Sigma Trade

The clearest difference is in-app purchases: Ark Admin at none against Sigma Trade's 2. Sigma Trade's advantage is update cadence (every 10 days vs every 4 months). On price, review sentiment, ads and monetization model there is nothing between them.

Both are free to download. Sigma Trade sells 2 in-app purchases, starting at $39.99 per month. Ark Admin asks for nothing beyond the download.

Ark Admin ships an update every 4 months, Sigma Trade every 10 days. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Ark Admin | Sigma Trade |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (46 ratings)](https://appshunter.io/ios/app/sigma-trade/id6474944464/reviews)** |
| Number of ratings | — | **46** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 10 days** |
| Monetization | Free | Free |
| Size | 187 MB | 63 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ark iTrader](https://appshunter.io/developer/1511800018) | [Opción Sigma Trade](https://appshunter.io/developer/1722879663) |

## What reviewers say

### Ark Admin

[App page](https://appshunter.io/ios/app/ark-admin/id1580243470)

Manage your Ark platform's administrative tasks remotely. Monitor user activity, process financial transactions, and view live reports and market data on the go. Designed for brokers and dealing rooms to stay connected to their business.

**Highlights:** Monitor script prices and details, Manage system users, Process deposits, withdrawals, and adjustments, Manually open trading positions, View live transactions and user activity, Access admin reports, Monitor open and closed summaries

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

**In-app purchases:** none


### 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 Ark Admin free?

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

### Is Sigma Trade free?

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

### Do Ark Admin or Sigma Trade have ads?

Neither Ark Admin nor Sigma Trade shows ads.

### Which is updated more often, Ark Admin or Sigma Trade?

Ark Admin ships an update every 4 months, and Sigma Trade every 10 days. Most recently, Ark Admin was updated on October 8, 2026 and Sigma Trade on October 3, 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.*