Comparison

不動産電卓 @返済くんCalc vs Coastal Loans

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

Head to head
About

不動産電卓 @返済くんCalc

This app is a must-have calculation tool for real estate and housing sales professionals, also ideal for individuals simulating home purchases. It offers advanced features like reverse loan limit calculation and remaining balance calculation, with basic functions available for free.

Highlights
  • Reverse loan limit calculation
  • Remaining balance calculation
  • Brokerage fee calculation
  • Mortgage loan calculations
  • Area conversion (Tsubo ⇔ m2)
  • Consumption tax calculation
Features
Read full description

累計14万ダウンロード(2025/12時点)を突破した、不動産・住宅営業マン必携の計算アプリ [返済くんCalc] が大幅進化。一般の方のマイホーム購入シミュレーションにも最適なツールです。 ◆◇ Version 3.0 のお知らせ ◇◆ 以前の無料版では制限されていた「元利均等返済」「消費税計算」「面積変換(坪 ⇔ m2)」が【完全無料】で制限なく使えるようになりました!さらに、プロ向け機能がすべて試せる「14日間の無料お試し」もスタート。 ■ プロの現場で威力を発揮する「Pro版」機能 (※最初の14日間はすべて無料でお試しいただけます!) お客様との商談中、「今の年収ならいくら借りられる?」「毎月◯万円の支払いなら、いくらの物件が買える?」と聞かれたその場で、スマートに即答できる強力な機能を搭載しています。 1. 借入限度額の逆算(一番の目玉機能) 毎月の支払希望額、ボーナス払い、または年収から「借入可能額」を瞬時に逆算。年収からの逆算は、取引先銀行に合わせて2パターンの返済比率を事前登録・瞬時に切替可能です。 2. 残債計算 売却相談などの事前準備に最適。借入当時の総額、金利、年数を入力するだけで、希望年数経過後のローン残高を正確に算出します。 3. 仲介手数料計算 売買価格からワンタッチで正規手数料を算出。税込・税抜の切替もボタン一つです。(※800万円以下の「低廉な空家等の媒介特例」にも対応!) ■ ずっと無料で使える基本機能 ・一般電卓機能(計算式が表示されるため検算に便利です) ・住宅ローン計算:元利均等返済(毎月・ボーナス併用・2段階金利)、元金均等返済 ・面積変換:ワンタッチで「坪 ⇔ m2」の相互変換 ・消費税計算:税込・税抜のワンタッチ切替 ◆ 14日間の無料お試しについて アプリをインストール(またはアップデート)してから最初の14日間は、強力な「Pro版」の全機能を【完全無料】でお試しいただけます。 ※期間終了後に自動でお金が引き落とされることは一切ありません。15日目以降も継続してPro機能をご利用になる場合のみ、ご自身の操作でアップグレード(2ヶ月100円 / 月額換算50円など)をお願いいたします。 ※購読の管理や解約はApple IDの設定からいつでも行えます。 ■ 返済くんシリーズについて 本アプリは、不動産仲介、住宅メーカー、金融関係の営業担当者が、現場で本当に欲しいと思える業務ソフトを心がけて個人開発しています。機能の追加要望などがございましたら、ぜひお気軽にサポートメール(gg41124@gmail.com)までご連絡ください。 ※【利用規約(EULA)】https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ ※株式会社ユアネームのデジタルフォントを使用しています。

About

Coastal Loans

This app simplifies the home loan process for homebuyers, homeowners, and real estate agents. It offers tools to compare loan scenarios, calculate refinancing savings, and determine affordability. Users can also upload documents and access loan originator contact information.

Highlights
  • Compare lending scenarios
  • Calculate refinancing savings
  • Determine homeownership affordability
  • Scan and upload documents
  • Access loan originator contacts
  • Stay updated on industry news
Features
Read full description

The Coastal Loans App is built for speed and driven by service. Our goal is to make your home loan as smooth and easy as possible. We have developed the Coastal Loans Mortgage App as a tool to simplify the homebuying and lending process. Whether you are a homebuyer looking to purchase a home, a current homeowner interested in refinancing, or a real estate agent hoping to speed up the process for your clients, the Coastal Loans App has a feature to benefit you. Key Features: • Compare different lending scenarios using various loan programs to help determine which product is right for you. • Calculate the possible savings (or cost) of refinancing your mortgage. • Determine if homeownership is an affordable option for you based on your current income and monthly expenses. • Scan in required documents on your phone and upload them quickly to expedite the loan approval process. • Easily access contact information for your Coastal Loans Licensed Loan Originator and real estate agent, and share this information with your family and friends. • Stay up-to-date on industry news and happenings that may impact your loan, like a change in mortgage interest rates. The calculations provided by the Coastal Loans App are useful in giving you an idea of what homeownership might mean for you. However, please be sure to contact your Licensed Loan Originator for a customized solution tailored to your specific financial situation, needs, and goals. Your Loan Originator can also assist you with any questions you have about your loan and the loan approval process.

Screenshots

不動産電卓 @返済くんCalc4 screens
Coastal Loans4 screens

Verdict

The call

The clearest difference is in-app purchases: Coastal Loans at none against 不動産電卓 @返済くんCalc's 2. 不動産電卓 @返済くんCalc's advantage is iOS requirement (15.0 vs 18.0). On price, update cadence, ads 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. 不動産電卓 @返済くんCalc sells 2 in-app purchases, starting at $0.49 per 2 months. Coastal Loans asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 29, 2026 and October 21, 2026 respectively.

Scorecard3 real differences · 7 level
不動産電卓 @返済くんCalc versus Coastal Loans: the parameters behind the verdict, then further details
Parameter不動産電卓 @返済くんCalcCoastal Loans
PriceFreeFree
Rating—3.7 (3 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings—3 — better
Update frequencyEvery 3 monthsEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better18.0
Further details — not scored
Size7 MB102 MB
Age rating4+4+
Developerichiro taniokaCoastal Loans, LLC

Customer experience

不動産電卓 @返済くんCalc

Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Coastal Loans

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

2 purchases

不動産電卓 @返済くんCalc

Subscriptions2
  • PRO版へアップグレード$0.492 Months
  • PRO版へアップグレード$1.991 Year
None

Coastal Loans

No in-app purchases

Questions

Is 不動産電卓 @返済くんCalc free?
不動産電卓 @返済くんCalc is free to download, with in-app purchases available.
Is Coastal Loans free?
Coastal Loans is free to download, with no in-app purchases.
Do 不動産電卓 @返済くんCalc or Coastal Loans have ads?
Neither 不動産電卓 @返済くんCalc nor Coastal Loans shows ads.
Which is updated more often, 不動産電卓 @返済くんCalc or Coastal Loans?
不動産電卓 @返済くんCalc ships an update every 3 months, and Coastal Loans every 3 months. Most recently, 不動産電卓 @返済くんCalc was updated on October 29, 2026 and Coastal Loans on October 21, 2026.

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