# FX_最適ロット計算機～許容損失額を一定にするアプリ vs 瞬速！トロン/円換算

The clearest difference is price: FX_最適ロット計算機～許容損失額を一定にするアプリ at Free against 瞬速！トロン/円換算's $5.99. FX_最適ロット計算機～許容損失額を一定にするアプリ also leads on iOS requirement (13.0 vs 17.6). 瞬速！トロン/円換算's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 3 months). On in-app purchases and device support there is nothing between them.

FX_最適ロット計算機～許容損失額を一定にするアプリ is free to download; 瞬速！トロン/円換算 costs $5.99 up front. FX_最適ロット計算機～許容損失額を一定にするアプリ sells 1 in-app purchase, starting at $2.99 per month and 瞬速！トロン/円換算 sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

FX_最適ロット計算機～許容損失額を一定にするアプリ ships an update every 3 months, 瞬速！トロン/円換算 every 3 weeks. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | FX_最適ロット計算機～許容損失額を一定にするアプリ | 瞬速！トロン/円換算 |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 6 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Koji Watanabe](https://appshunter.io/developer/1332653587) | [Shun Isayama](https://appshunter.io/developer/1578976556) |

## What reviewers say

### FX_最適ロット計算機～許容損失額を一定にするアプリ

[App page](https://appshunter.io/ios/app/fx/id1566085690)

Calculate optimal trade lot sizes based on your acceptable loss amount. This app helps manage risk for Forex and CFD trading, making it suitable for beginners. It supports various currencies, indices, and CFD sizes for precise position adjustments.

**Highlights:** Calculate lot size from acceptable loss, Supports Forex, Gold, Nikkei 225, and Dow Jones, Handles various currency and CFD sizes, Rounds lot numbers to the second decimal place, Real-time position size calculation, Supports stop-loss price for lot calculation

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム機能 | $2.99 | per month |


### 瞬速！トロン/円換算

[App page](https://appshunter.io/ios/app/id6740754073)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示（初週無料） | $1.99 | per month |


## Frequently asked questions

### Is FX_最適ロット計算機～許容損失額を一定にするアプリ free?

FX_最適ロット計算機～許容損失額を一定にするアプリ is free to download, with in-app purchases available.

### Is 瞬速！トロン/円換算 free?

瞬速！トロン/円換算 costs $5.99, and also offers in-app purchases.

### Do FX_最適ロット計算機～許容損失額を一定にするアプリ or 瞬速！トロン/円換算 have ads?

FX_最適ロット計算機～許容損失額を一定にするアプリ shows ads; 瞬速！トロン/円換算 does not.

### Which is updated more often, FX_最適ロット計算機～許容損失額を一定にするアプリ or 瞬速！トロン/円換算?

FX_最適ロット計算機～許容損失額を一定にするアプリ ships an update every 3 months, and 瞬速！トロン/円換算 every 3 weeks. Most recently, FX_最適ロット計算機～許容損失額を一定にするアプリ was updated on October 10, 2026 and 瞬速！トロン/円換算 on October 14, 2026.

---

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