# かんたん固定費計算 vs Costly

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.

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.

## The numbers

| Metric | かんたん固定費計算 | Costly |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | **85.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | — | Freemium |
| Size | 16 MB | 7 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daiki Tsukuda](https://appshunter.io/developer/1505893655) | [YUUSUI KASHIWAGI](https://appshunter.io/developer/1711666436) |

## What reviewers say

### かんたん固定費計算

[App page](https://appshunter.io/ios/app/id1536249059)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $3.99 | one-time |


### Costly

[App page](https://appshunter.io/ios/app/costly-subscription-tracker/id6738356072)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $14.99 | per year |


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*