Comparison

FX_最適ロット計算機~許容損失額を一定にするアプリ vs Sourcing Calculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

FX_最適ロット計算機~許容損失額を一定にするアプリ

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
Read full description

損切り金額からロットを算出! FXで資金管理をするためのロット計算機アプリです。 許容損失額から最適なロットを計算できるため、初心者にもおすすめです。 ポジションサイズの調整によるリスクコントロールにお役立てください。 【特徴】 ・為替だけでなく、GOLD、日経225、NYダウに対応 ・為替は1,000通貨、10,000通貨、100,000通貨に対応 ・CFDは1,100サイズに対応 ・ロット数は小数点第二位以下を四捨五入 【対応している通貨/CFD】 USDJPY EURJPY GBPJPY AUDJPY CADJPY CHFJPY EURUSD GBPUSD AUDUSD CADUSD USDCHF XAUUSD JP225Cash US30Cash 【こんな方におすすめ】 ・デモトレードのシュミレーションのロット計算がしたい ・チャートを見ながら瞬時にポジションサイズを計算したい ・国内だけじゃなく、海外の取引業者にも使いたい ・指値や逆指値で、損切価格から適正なロット数を計算したい ※インターネットへの接続が必要です ■免責事項 外国為替取引では、投資資本に対して重大なリスクが伴います。本アプリに含まれる情報やデータは、提供のみを目的としています。これらの情報やデータは、アドバイスまたは推奨とはならず、またアドバイス等として解釈しないでください。このアプリによるいかなる損失も責任は負いません。 ------- 期間終了後、購入は iTunes アカウントに適用されます。 現在の期間が終了する 24 時間以内にキャンセルしない限り、サブスクリプションは自動的に更新されます。 iTunes アカウントの設定でいつでもキャンセルできます。 サブスクリプションを購入すると、無料トライアルの未使用部分は失われます。 詳細については、https://tombstone.space/termsofuse および https://tombstone.space/privacypolicy を参照してください。

About

Sourcing Calculator

This tool helps cross-border resellers calculate profit and convert currencies accurately. It offers live exchange rates, fee management, and offline functionality for quick buy/pass decisions. A premium version unlocks advanced features for more complex calculations.

Highlights
  • Live currency conversion
  • Profit and margin calculation
  • Customizable fee registration
  • Offline rate caching
  • Multi-language support
  • Built-in arithmetic
Features
Read full description

Selling abroad means thinking in two currencies at once. Sourcing Calculator is a purpose-built tool for cross-border resellers (eBay and beyond) that combines live currency conversion with true profit calculation. WHO IT'S FOR - Resellers who need fast buy/pass decisions on sourcing - Anyone tired of juggling a currency app and a calculator - Sellers who want to see real profit - after fees and shipping - before they buy KEY FEATURES Sourcing mode Enter your cost (local currency) and selling price (foreign currency) - profit, margin, and total fees appear instantly. Register your own fees: percentage-based (marketplace fees) or fixed (shipping), added or deducted. Convert mode Quick conversions with live exchange rates, plus built-in arithmetic for per-unit or bulk-lot math. Thoughtful details - Rates auto-update; works offline with the latest cached rates - Long-press any result to copy; satisfying haptic key feedback - Correct rounding for no-decimal currencies (JPY, KRW, and more) - Available in 8 languages GO PREMIUM - Two fee presets (e.g. domestic vs. international) - Up to 5 fee items per preset - Custom rates per currency pair - hedge your real exchange costs - 4 extra themes & keypad styles Monthly and annual plans, both with a 7-day free trial. The core calculator stays free forever. PRIVACY FIRST No ads. No tracking. Your data never leaves your device. Questions or ideas? Reach us anytime via the in-app contact form. ■ About Subscriptions Premium features are offered as auto-renewing subscriptions (monthly or annual, with a 7-day free trial). Payment is charged to your Apple ID account, and the subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in iOS Settings > Subscriptions. - Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ - Privacy Policy: https://haruponworks.github.io/sourcing-calculator-support/privacy.html

Screenshots

FX_最適ロット計算機~許容損失額を一定にするアプリ3 screens
Sourcing Calculator4 screens

Verdict

The call

The clearest difference is review sentiment: Sourcing Calculator at 100% against FX_最適ロット計算機~許容損失額を一定にするアプリ's 40%. Sourcing Calculator also leads on in-app purchases (none vs 1) and ads (none vs shown). FX_最適ロット計算機~許容損失額を一定にするアプリ's advantage is iOS requirement (13.0 vs 15.0). On price, monetization model and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 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. Sourcing Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

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, Sourcing Calculator every 9 days. Both last shipped on October 10, 2026.

Scorecard5 real differences · 3 level
FX_最適ロット計算機~許容損失額を一定にするアプリ versus Sourcing Calculator: the parameters behind the verdict, then further details
ParameterFX_最適ロット計算機~許容損失額を一定にするアプリSourcing Calculator
PriceFreeFree
Positive reviews40.0% of reviews100.0% of reviews — better
Update frequencyEvery 3 monthsEvery 9 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size39 MB10 MB
Age rating4+4+
DeveloperKoji WatanabeHaruna Suganami

Customer experience

FX_最適ロット計算機~許容損失額を一定にするアプリ

Written reviews5 reviews
Positive40.0%
Neutral20.0%
Negative40.0%

Sourcing Calculator

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

FX_最適ロット計算機~許容損失額を一定にするアプリ

Subscriptions1
  • プレミアム機能$2.991 Month
None

Sourcing Calculator

No in-app purchases

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 Sourcing Calculator free?
Sourcing Calculator is free to download, with no 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 Sourcing Calculator 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; Sourcing Calculator 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 Sourcing Calculator?
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 Sourcing Calculator every 9 days. 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 Sourcing Calculator on October 10, 2026.

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