# FIREシミュレーション vs AssetTrail

The clearest difference is in-app purchases: FIREシミュレーション at none against AssetTrail's 1. AssetTrail's advantage is iOS requirement (15.0 vs 18.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. AssetTrail sells 1 one-off in-app purchase. FIREシミュレーション asks for nothing beyond the download.

FIREシミュレーション ships an update every 2 days, AssetTrail every 3 days. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | FIREシミュレーション | AssetTrail |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 3 days |
| Size | 13 MB | 27 MB |
| Requires iOS | 18.2 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mario Tanaka](https://appshunter.io/developer/505921265) | [Shunichi Tanaka](https://appshunter.io/developer/1853586407) |

## What reviewers say

### FIREシミュレーション

[App page](https://appshunter.io/ios/app/fire/id6742209276)

**Features:** macOS Compatibility

**In-app purchases:** none


### AssetTrail

[App page](https://appshunter.io/ios/app/assettrail/id6816013644)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AssetTrail Plus | $2.99 | one-time |


## Frequently asked questions

### Is FIREシミュレーション free?

FIREシミュレーション is free to download, with no in-app purchases.

### Is AssetTrail free?

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

### Do FIREシミュレーション or AssetTrail have ads?

Both FIREシミュレーション and AssetTrail show ads.

### Which is updated more often, FIREシミュレーション or AssetTrail?

FIREシミュレーション ships an update every 2 days, and AssetTrail every 3 days. Most recently, FIREシミュレーション was updated on November 4, 2026 and AssetTrail on November 8, 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.*
