# FIRE Countdown vs 資産運用シミュレーター

The clearest difference is update cadence: FIRE Countdown at every 2 weeks against 資産運用シミュレーター's every 2 months. FIRE Countdown also leads on device support (3 vs 1) and iOS requirement (15.0 vs 26.1). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FIRE Countdown ships an update every 2 weeks, 資産運用シミュレーター every 2 months. The most recent releases landed on October 14, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | FIRE Countdown | 資産運用シミュレーター |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 23 MB | 5 MB |
| Requires iOS | **15.0** | 26.1 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Naoyuki Maeda](https://appshunter.io/developer/1570141186) | [SHOGO TAKAHASHI](https://appshunter.io/developer/1862331537) |

## What reviewers say

### FIRE Countdown

[App page](https://appshunter.io/ios/app/fire-countdown/id6759857140)

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

**In-app purchases:** none


### 資産運用シミュレーター

[App page](https://appshunter.io/ios/app/id6761081280)

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

**In-app purchases:** none


## Frequently asked questions

### Is FIRE Countdown free?

FIRE Countdown is free to download, with no in-app purchases.

### Is 資産運用シミュレーター free?

資産運用シミュレーター is free to download, with no in-app purchases.

### Do FIRE Countdown or 資産運用シミュレーター have ads?

Both FIRE Countdown and 資産運用シミュレーター show ads.

### Which is updated more often, FIRE Countdown or 資産運用シミュレーター?

FIRE Countdown ships an update every 2 weeks, and 資産運用シミュレーター every 2 months. Most recently, FIRE Countdown was updated on October 14, 2026 and 資産運用シミュレーター on October 1, 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.*