Comparison

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.

Head to head
About

かんたん固定費計算

Features
Read full description

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)

About

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.

Highlights
  • 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
Features
Read full description

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

かんたん固定費計算1 screens
Costly4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 5 level
かんたん固定費計算 versus Costly: the parameters behind the verdict, then further details
Parameterかんたん固定費計算Costly
PriceFreeFree
Positive reviews75.0% of reviews85.7% of reviews — better
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size16 MB7 MB
Age rating4+4+
DeveloperDaiki TsukudaYUUSUI KASHIWAGI

Customer experience

かんたん固定費計算

Written reviews16 reviews
Positive75.0%
Neutral25.0%
Negative0.0%

Costly

Written reviews7 reviews
Positive85.7%
Neutral0.0%
Negative14.3%

In-app purchases

1 purchases

かんたん固定費計算

One-time1
  • プレミアムプラン$3.99
2 purchases

Costly

Subscriptions2
  • Monthly$1.991 Month
  • Yearly1 Month trial$14.991 Year

Questions

Is かんたん固定費計算 free?
かんたん固定費計算 is free to download, with in-app purchases available.
Is Costly free?
Costly is free to download, with in-app purchases available.
Do かんたん固定費計算 or Costly have ads?
かんたん固定費計算 shows ads; Costly does not.
Which is updated more often, かんたん固定費計算 or Costly?
かんたん固定費計算 ships an update every 3 months, and Costly every 3 weeks. Most recently, かんたん固定費計算 was updated on October 8, 2026 and Costly on October 16, 2026.

Other comparisons