# FIRE Countdown vs 資産運用シミュレーター

The clearest difference is price: FIRE Countdown at Free against 資産運用シミュレーター's $1.99. 資産運用シミュレーター's advantage is ads (none vs shown) and update cadence (every 3 days vs every 2 weeks). On in-app purchases and device support there is nothing between them.

FIRE Countdown is free to download; 資産運用シミュレーター costs $1.99 up front. 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 3 days. The most recent releases landed on September 10, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | FIRE Countdown | 資産運用シミュレーター |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 25 MB | 19 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Naoyuki Maeda](https://appshunter.io/developer/1570141186) | [Hiroki Oikawa](https://appshunter.io/developer/1799673664) |

## 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/fire/id6760283441)

**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 costs $1.99, with no in-app purchases.

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

FIRE Countdown shows ads; 資産運用シミュレーター does not.

### 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 3 days. Most recently, FIRE Countdown was updated on September 10, 2026 and 資産運用シミュレーター on September 21, 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.*