# FIRE資産計算 vs Asset Trend Simulator

The clearest difference is update cadence: Asset Trend Simulator at every 2 days against FIRE資産計算's every 5 days. FIRE資産計算's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). 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資産計算 ships an update every 5 days, Asset Trend Simulator every 2 days. The most recent releases landed on September 18, 2026 and August 6, 2026 respectively.

## The numbers

| Metric | FIRE資産計算 | Asset Trend Simulator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 5 days | **Every 2 days** |
| Size | 31 MB | 5 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hiroto Ouchi](https://appshunter.io/developer/1871793341) | [Kenta Takeuchi](https://appshunter.io/developer/1879746418) |

## What reviewers say

### FIRE資産計算

[App page](https://appshunter.io/ios/app/fire/id6758258484)

**Features:** macOS Compatibility

**In-app purchases:** none


### Asset Trend Simulator

[App page](https://appshunter.io/ios/app/asset-trend-simulator/id6759601487)

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

**In-app purchases:** none


## Frequently asked questions

### Is FIRE資産計算 free?

FIRE資産計算 is free to download, with no in-app purchases.

### Is Asset Trend Simulator free?

Asset Trend Simulator is free to download, with no in-app purchases.

### Do FIRE資産計算 or Asset Trend Simulator have ads?

Both FIRE資産計算 and Asset Trend Simulator show ads.

### Which is updated more often, FIRE資産計算 or Asset Trend Simulator?

FIRE資産計算 ships an update every 5 days, and Asset Trend Simulator every 2 days. Most recently, FIRE資産計算 was updated on September 18, 2026 and Asset Trend Simulator on August 6, 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.*