# option戦略 vs RuinRisk

The clearest difference is in-app purchases: RuinRisk at none against option戦略's 4. option戦略's advantage is update cadence (every 3 weeks vs every 5 months) and iOS requirement (15.4 vs 17.6). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. option戦略 sells 4 in-app purchases, starting at $6.99 per month. RuinRisk asks for nothing beyond the download.

option戦略 ships an update every 3 weeks, RuinRisk every 5 months. The most recent releases landed on September 22, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | option戦略 | RuinRisk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/ruinrisk/id983505276/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 73.3% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 10 MB | 2 MB |
| Requires iOS | **15.4** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MASAAKI SAKAIDA](https://appshunter.io/developer/626122800) | [RYUICHIROU SHIMONO](https://appshunter.io/developer/696880855) |

## What reviewers say

### option戦略

[App page](https://appshunter.io/ios/app/option/id626122797)

This system helps you strategize Nikkei 225 options trading. It allows you to check option information, consider strategies, and simulate positions. Access advanced features like IV curves and support information with a premium subscription.

**Highlights:** IV smile and delta/gamma/theta/vega curves, Option list with open interest and volume graphs, Basic, advanced, and custom strategy registration, Position simulation with price and IV changes, Premium support information (SKEW, VI charts, forecasts), Mini options support (limited)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 自動更新 | $6.99 | per month |
| 自動更新 | $19.99 | per 3 months |
| 自動更新 | $29.99 | per 6 months |
| 自動更新 | $59.99 | per year |


### RuinRisk

[App page](https://appshunter.io/ios/app/ruinrisk/id983505276)

Visualize your investment and trading risk with this intuitive calculator. Easily adjust parameters like risk per trade and win rate to understand your probability of ruin. Offers both basic and advanced analysis modes for beginners and experienced traders.

**Highlights:** Probability of Ruin Simulation, Heatmap Risk Visualization, Monte Carlo Simulations (Pro Mode), Maximum Drawdown Estimation (Pro Mode), Drawdown Probability Analysis (Pro Mode), Strategy Comparison

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is option戦略 free?

option戦略 is free to download, with in-app purchases available.

### Is RuinRisk free?

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

### Do option戦略 or RuinRisk have ads?

Neither option戦略 nor RuinRisk shows ads.

### Which is updated more often, option戦略 or RuinRisk?

option戦略 ships an update every 3 weeks, and RuinRisk every 5 months. Most recently, option戦略 was updated on September 22, 2026 and RuinRisk on September 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*