かんたん固定費計算 vs Costly
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
かんたん固定費計算
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かんたんに固定費(サブスクリプション)の計算ができるアプリです。月間、年間それぞれで固定費がいくらかかっているか把握できます。 固定費の例 ・家賃 ・水道・光熱費 ・通信費 ・保険料 ・教育費 ・車関連費 ・定期購入しているもの(サプリ、コンタクトレンズなど) ・定期支払いしているもの(ジムの月会費やApple Music、Amazonプライムなど)
Costly
Visualize and manage all your recurring expenses in one place. Track subscription due dates, amounts, and spending trends with intuitive graphs and a clean interface. Avoid missed payments and gain clarity on your financial commitments.
- Auto-updating billing dates
- Visual spending timeline
- Track amounts and categories
- Flexible billing intervals
- Spending totals by period
- Calendar and history views
- Spending breakdown graphs
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Make your bills visible. Take control of your subscriptions. Costly is a smart way to track your subscriptions and recurring expenses. It helps you see exactly what's due, when, and how much—all in one clean, visual interface. With color-coded bars and intuitive graphs, you’ll know at a glance when your next payments are coming up. Just add a subscription once, and Costly keeps everything up to date automatically. Say goodbye to missed bills and confusing spreadsheets. □ Key Features ・Auto-updating billing dates ・Visual timeline with blue progress bars ・Track amounts, categories, notes, and more ・Flexible billing intervals: weekly, monthly, quarterly, semiannual, annual, and beyond ・Auto-calculated spending totals by year, month, or day ・Filter by billing frequency or category ・Calendar view for an easy look at upcoming payments ・History tab to review past payments ・Graphs to visualize spending breakdowns ・Price list and upcoming payment forecast ・Light and dark mode support □ Use Cases ・Manage all your streaming, music, and app subscriptions in one place ・Track annual or semiannual expenses like insurance and taxes ・Keep family or shared expenses organized by category ・Use graphs to spot trends and optimize your spending habits ・Pair with a budgeting app as your go-to fixed cost manager □ Perfect For ・Anyone overwhelmed by growing subscriptions ・People who want to know exactly when and how much they’re paying ・Users who don’t stick with full budgeting apps, but still want spending clarity ・Those who tend to forget annual or semiannual renewal dates ・Anyone looking for a simple, clean app to track recurring costs □ Pricing All core features are free to use. Some advanced features are available via subscription. □ Development Philosophy Costly is independently developed to help you manage the hidden costs of everyday life—with less stress and more clarity. We’re constantly improving the app based on your feedback and suggestions. Download Costly now and make subscription and bill tracking effortless. Terms of Service (EULA):https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy:https://lomworks.com/legal/privacy-app
Screenshots
Verdict
The clearest difference is ads: Costly at none against かんたん固定費計算's shown. Costly also leads on update cadence (every 3 weeks vs every 3 months) and review sentiment (86% vs 75%). 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
Both are free to download. かんたん固定費計算 sells 1 one-off in-app purchase and Costly sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
かんたん固定費計算 ships an update every 3 months, Costly every 3 weeks. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.
| Parameter | かんたん固定費計算 | Costly |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | 85.7% of reviews — better |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 16 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Daiki Tsukuda | YUUSUI KASHIWAGI |
Customer experience
かんたん固定費計算
Costly
In-app purchases
かんたん固定費計算
- プレミアムプラン$3.99
Costly
- Monthly$1.991 Month
- Yearly1 Month trial$14.991 Year








