# King Research vs Option Sailor

King Research and Option Sailor are too close to call on the numbers: across 6 compared parameters — price, ads, in-app purchases and monetization model among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | King Research | Option Sailor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/option-sailor/id6745777362/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 84.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free | Free |
| Size | 54 MB | 226 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Vijay Sahu](https://appshunter.io/developer/1895810175) | [Satpal Singh](https://appshunter.io/developer/1813823360) |

## What reviewers say

### King Research

[App page](https://appshunter.io/ios/app/king-research/id6503350906)

Learn investing fundamentals with this app. Discover strong stocks, analyze companies, and enhance trading skills through educational videos and daily alerts. Get ahead with advanced prediction notifications.

**Highlights:** Stock filtering and discovery, In-depth stock analysis, Educational videos, Daily stock alerts, Event and webinar updates, Advance prediction alerts

**Features:** macOS Compatibility

**In-app purchases:** none


### Option Sailor

[App page](https://appshunter.io/ios/app/option-sailor/id6745777362)

Learn option trading strategies for consistent income generation. This platform offers detailed study material, market insights, and practical advice to build confident, independent traders. Master technical analysis, risk management, and informed decision-making.

**Highlights:** Comprehensive learning material, Market insights, Real-world strategies, Emphasis on option selling, Technical analysis, Trader psychology, Risk management

**In-app purchases:** none


## Frequently asked questions

### Is King Research free?

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

### Is Option Sailor free?

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

### Do King Research or Option Sailor have ads?

Neither King Research nor Option Sailor shows ads.

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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.*