Comparison

Simple Compound Interest vs 外貨取引

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

Head to head
About

Simple Compound Interest

Easily calculate the future value of your investments. Input your initial capital, monthly contributions, annual interest rate, and investment duration to see your projected final return, total invested amount, and growth rate. Save multiple scenarios and view monthly progress.

Highlights
  • Calculate final return
  • Calculate total investment amount
  • Calculate return rate
  • Save investment conditions
  • Show monthly increase
Features
Read full description

"If I invest $300 every month, how much will I have in 10 years?" This app gives you an instant answer. Just enter your principal, monthly investment amount, annual interest rate, and investment period to instantly simulate how compound interest grows your wealth. 【Key Features】 * Automatically calculate final assets, total investment, and profit * View monthly asset growth in list and graph formats * Save multiple scenarios for comparison See the power of compound interest for yourself.

About

外貨取引

Features
Read full description

外貨取引App は、USD/JPY の取引履歴を記録し、現在の保有量と損益をひと目で確認できるシンプルな記録アプリです。 買いと売りを手入力で残すだけで、平均取得レート、実現損益、含み損益、JPY の純流出入を自動で整理します。すべての集計は取引履歴から計算されるため、数字の根拠を追いやすく、あとから見返してもわかりやすい設計です。 取引データは端末上に保存され、iCloud が利用可能な環境では利用者の個人用 iCloud 領域に同期されます。広告や分析目的で第三者の外部基盤へ取引データを保存することはありません。 iPhone や iPad など、利用する Apple デバイス間で記録をそろえて管理できます。 主な機能 USD/JPY の買い・売り取引を記録 取引一覧で履歴を確認、編集、削除 現在の USD 保有量を自動集計 平均取得レートを表示 実現損益と含み損益を表示 取引レートの推移をグラフで確認 最新の USD/JPY 参照レートを取得して評価額を更新 こんな方におすすめ 外貨預金やドル転の記録を手元で整理したい方 売却時の損益をシンプルに確認したい方 スプレッドシートより軽く履歴を残したい方 ご注意 本アプリは個人向けの記録補助ツールです。 税務、会計、投資助言を目的としたものではありません。 為替参照レートは情報提供用であり、実際の約定レートを保証するものではありません。

Screenshots

Simple Compound Interest4 screens
外貨取引4 screens

Verdict

The call

The clearest difference is ads: 外貨取引 at none against Simple Compound Interest's shown. 外貨取引 also leads on update cadence (every 2 days vs every 6 months). On price, in-app purchases, device support and iOS requirement 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Simple Compound Interest ships an update every 6 months, 外貨取引 every 2 days. The most recent releases landed on August 20, 2026 and September 14, 2026 respectively.

Scorecard2 real differences · 8 level
Simple Compound Interest versus 外貨取引: the parameters behind the verdict, then further details
ParameterSimple Compound Interest外貨取引
PriceFreeFree
Rating4.7 (23 ratings) — better—
Positive reviews55.6% of reviews—
Number of ratings23 — better—
Update frequencyEvery 6 monthsEvery 2 days — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.018.0
Further details — not scored
Size5 MB4 MB
Age rating4+4+
DeveloperStack3Hiroyuki Miura

In-app purchases

None

Simple Compound Interest

No in-app purchases

None

外貨取引

No in-app purchases

Questions

Is Simple Compound Interest free?
Simple Compound Interest is free to download, with no in-app purchases.
Is 外貨取引 free?
外貨取引 is free to download, with no in-app purchases.
Do Simple Compound Interest or 外貨取引 have ads?
Simple Compound Interest shows ads; 外貨取引 does not.
Which is updated more often, Simple Compound Interest or 外貨取引?
Simple Compound Interest ships an update every 6 months, and 外貨取引 every 2 days. Most recently, Simple Compound Interest was updated on August 20, 2026 and 外貨取引 on September 14, 2026.

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