# 固定費管理 vs DueKeeper

The clearest difference is in-app purchases: 固定費管理 at none against DueKeeper's 5. DueKeeper's advantage is ads (none vs shown) and update cadence (weekly vs every 6 months). On price there is nothing between them.

Both are free to download. DueKeeper sells 5 in-app purchases, starting at $0.99 per month. 固定費管理 asks for nothing beyond the download.

固定費管理 ships an update every 6 months, DueKeeper weekly. The most recent releases landed on September 18, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | 固定費管理 | DueKeeper |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | — | Freemium |
| Size | 9 MB | 64 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kazuya Kobayashi](https://appshunter.io/developer/906985632) | [Yuichiro Yasui](https://appshunter.io/developer/1820080298) |

## What reviewers say

### 固定費管理

[App page](https://appshunter.io/ios/app/id6756572025)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### DueKeeper

[App page](https://appshunter.io/ios/app/duekeeper-budget-tracker/id6758851349)

This app helps you manage household finances by organizing income and expenses. It provides a clear overview of upcoming payments, offers customizable reminders, and tracks different expense types. View summaries, charts, and use widgets for quick access to your financial status.

**Highlights:** Payment schedule matrix, Customizable payment reminders, Three expense types (fixed, variable, one-time), Monthly income/expense summaries and charts, Home screen widget support, Multiple budget books (Premium), 10 currencies supported

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly | $0.99 | per month |
| Premium monthly | $1.99 | per month |
| Premium yealy | $6.99 | per year |
| Premium yearly | $9.99 | per year |
| Premium Lifetime | $11.99 | one-time |


## Frequently asked questions

### Is 固定費管理 free?

固定費管理 is free to download, with no in-app purchases.

### Is DueKeeper free?

DueKeeper is free to download, with in-app purchases available.

### Do 固定費管理 or DueKeeper have ads?

固定費管理 shows ads; DueKeeper does not.

### Which is updated more often, 固定費管理 or DueKeeper?

固定費管理 ships an update every 6 months, and DueKeeper weekly. Most recently, 固定費管理 was updated on September 18, 2026 and DueKeeper on September 22, 2026.

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