# TRADING KANNADA vs Opstra

The clearest difference is update cadence: Opstra at monthly against TRADING KANNADA's every 17 months. TRADING KANNADA's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TRADING KANNADA ships an update every 17 months, Opstra monthly. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | TRADING KANNADA | Opstra |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 30.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Monthly** |
| Monetization | — | Free |
| Size | 259 MB | 57 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sharath Poojary](https://appshunter.io/developer/1718232964) | [Definedge Securities](https://appshunter.io/developer/1659365112) |

## What reviewers say

### TRADING KANNADA

[App page](https://appshunter.io/ios/app/trading-kannada/id6473782340)

**Features:** Vision Pro support

**In-app purchases:** none


### Opstra

[App page](https://appshunter.io/ios/app/opstra-definedge-analysis/id6502280354)

This app allows users to create, analyze, and trade options strategies with detailed payoff analysis and position management. It provides strategy-wise segregation of positions and PNL for various Indian market segments.

**Highlights:** Strategy Builder, Options payoff analysis, Position management, Strategy-wise PNL segregation, NFO, MCX & BFO trading

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

**In-app purchases:** none


## Frequently asked questions

### Is TRADING KANNADA free?

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

### Is Opstra free?

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

### Do TRADING KANNADA or Opstra have ads?

Neither TRADING KANNADA nor Opstra shows ads.

### Which is updated more often, TRADING KANNADA or Opstra?

TRADING KANNADA ships an update every 17 months, and Opstra monthly. Most recently, TRADING KANNADA was updated on October 30, 2026 and Opstra on October 24, 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.*