IOU vs かした・かりた
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IOU
Easily track money lent, borrowed, and owed without spreadsheets. Manage personal debts, shared expenses, and recurring bills with clear overviews of balances and payment history. Log payments instantly and stay organized with automatic tracking for monthly charges.
- Track money lent, borrowed, and owed
- Filter debts owed to you vs. money you owe
- View balances, payment history, and upcoming charges
- Log partial or full payments instantly
- Automatically track recurring bills and subscriptions
- Private and ad-free financial tracking
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OweTracker is a simple personal debt tracker for money you lend, borrow, and owe — without spreadsheets or guesswork. Track rent, shared expenses, personal loans, IOUs, recurring bills, and everyday paybacks in one clear place. See what's owed, what's paid, what's coming next, and when it's time to settle up. Track personal debts with clarity Filter between money you owe and money owed to you with a single tap See totals, payment history, and remaining balances at a glance Save with confidence — the button tells you exactly what you're saving Add notes to keep context on every entry Built for recurring payments Track recurring charges like rent, phone bills, subscriptions, or ongoing loans Set charges to repeat weekly, every two weeks, or monthly Schedule future recurring charges before a balance is due See upcoming charges before they happen Stay organized even when payments change over time Record payments easily Log partial or full payments in seconds Watch balances update instantly Never lose track of who paid what Settle up clearly Create simple settle-up cards when it's time to close the loop Share clean payment summaries for rent, bills, loans, or everyday paybacks Help everyone see what was owed, what was paid, and what remains Made for wherever you are Works in 150+ currencies Available in 12 languages Private by design No ads No data selling Your financial tracking stays on your device Upgrade to Pro OweTracker includes a free version with basic tracking and settle-up cards. Upgrade to Pro to unlock: Unlimited debts Unlimited recurring charges Custom quick notes for faster entry Subscriptions help support continued development and keep OweTracker private and ad-free. If you've ever said "I'll remember later" — OweTracker is for you. Privacy Policy: https://sites.google.com/view/owetracker-privacy-policy/home Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
かした・かりた
Manage loans and repayments with this app. It automatically calculates repayment plans, generates PDF loan agreements, and tracks balances. Get reminders for due dates and secure your data locally.
- Repayment simulation
- Generate PDF loan agreements
- Automatic balance updates
- Interest rate limit check
- Repayment date reminders
- App lock and local backup
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■ かしたお金を、うやむやにしない。 「かした・かりた」は、友人・家族・知人とのお金の貸し借りを、書面と記録で管理する iPhone アプリです。金額と返し方を入れるだけで返済プランを自動計算し、借用書・金銭消費貸借契約書を A4 の PDF で作成。返済を記録するたびに残高が自動で更新されます。 ■ こんな方のためのアプリです ・友人や家族にお金を貸していて、返済の状況をきちんと把握したい ・口約束だけの貸し借りに不安があり、借用書を用意しておきたい ・「いくら返してもらったか」を記録し忘れてしまう ・毎月の返済額と完済日を、貸す前にシミュレーションしたい ・借りた側として、返済の約束をきちんと守りたい ・貸し借りの記録を外部のサービスに預けたくない ■ 主な機能 ・返済シミュレーション: 元金・利率・返し方から、毎回の返済額・利息・完済予定日を自動計算。無利息・分割・一括に対応 ・借用書 PDF: 入力した内容から借用書・金銭消費貸借契約書を A4 の日本語 PDF で作成。印刷して署名・押印すれば紙の借用書として使えます ・返済記録と残高管理: 返済を記録するたびに残高を自動計算。利息のある契約は利息 → 元金の順に自動で充当 ・利息制限法の上限チェック: 元本に応じた利息制限法の上限(年 15〜20%)を超える利率は保存できない設計 ・返済日のリマインダー: 返済日の前(1・3・7 日前から選択)・当日・期限超過をローカル通知でお知らせ。通知文に相手の名前は表示しません ・アプリロックとバックアップ: Face ID / Touch ID / パスコードでアプリをロック。データはファイルへの書き出しでバックアップできます ■ 無料でできること 契約内容の入力・返済シミュレーション・借用書 PDF のプレビュー・下書き 1 件の保存まで無料でお使いいただけます。 ■ かした・かりた Pro(買い切り ¥1,480) ・PDF の保存・共有・印刷 ・契約管理(返済記録・残高・通知) ・複数の契約の管理 一度のご購入で追加費用はありません。サブスクリプションではありません。 ■ データの保存について 入力したデータはすべて端末の中だけに保存されます。外部のサーバーには送信されません。アカウント登録も不要です。 ■ ご注意 ・本アプリは書面の作成と記録の管理を補助するものであり、法的な助言を提供するものではありません。個別の事情については専門家にご相談ください ・本アプリは事業としての貸金業のためのものではありません ■ 動作環境 iOS 17.0 以上 / iPhone 専用 / 日本語のみ プライバシーポリシー: https://kureho.app/privacy/kashikari サポート: https://kureho.app/contact?product=kashikari
Screenshots
Verdict
The clearest difference is ads: IOU at none against かした・かりた's shown. かした・かりた's advantage is update cadence (every 4 days vs every 2 weeks). On price, review sentiment, in-app purchases and monetization model 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
Both are free to download. IOU sells 3 in-app purchases, starting at $1.99 per month and かした・かりた sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
IOU ships an update every 2 weeks, かした・かりた every 4 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | IOU | かした・かりた |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 4 — better | — |
| Update frequency | Every 2 weeks | Every 4 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 13 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | MASON QULIZADA | KUREHO |
Customer experience
IOU
かした・かりた
In-app purchases
IOU
- OweTracker Pro – Monthly$1.991 Month
- OweTracker Pro$17.991 Year
- OweTracker Pro – Lifetime$19.99
かした・かりた
- かした・かりた Pro$9.99








