# 成金大作戦 / 巨大生物・大救出 vs Train Studio

The clearest difference is review sentiment: Train Studio at 100% against 成金大作戦 / 巨大生物・大救出's 18%. Train Studio also leads on ads (none vs shown) and update cadence (fortnightly vs every 7 months). 成金大作戦 / 巨大生物・大救出's advantage is price (Free vs $9.99) and iOS requirement (12.0 vs 15.0). On in-app purchases and device support there is nothing between them.

成金大作戦 / 巨大生物・大救出 is free to download; Train Studio costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

成金大作戦 / 巨大生物・大救出 ships an update every 7 months, Train Studio fortnightly. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 成金大作戦 / 巨大生物・大救出 | Train Studio |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/id445328590/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 18.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | **Ad-supported** | Paid |
| Size | 20 MB | 162 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MocoGame](https://appshunter.io/developer/400877587) | [masahiro goto](https://appshunter.io/developer/1639656393) |

## What reviewers say

### 成金大作戦 / 巨大生物・大救出

[App page](https://appshunter.io/ios/app/id445328590)

Engage in a classic war simulation with land and air units, city building, and strategic defense against giant creatures. This game offers multiple modes, including RTS-style rescue missions and tank battles.

**Highlights:** War simulation gameplay, Unit creation (land, air), City leveling and urbanization, Giant creature battles, Rescue missions, Tank battle action, Real-time strategy elements

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

**In-app purchases:** none


### Train Studio

[App page](https://appshunter.io/ios/app/train-studio/id6751128244)

Create and share custom train route maps, then play with maps made by others. Manage train schedules, transport passengers, and aim for maximum operating profits. Enjoy simple controls and a user-friendly interface.

**Highlights:** Create custom train route maps, Share route maps with others, Play user-created route maps, Manage train departures and schedules, Transport passengers for profit, Compete with others via rankings, Timetable function for trip analysis

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

**In-app purchases:** none


## Frequently asked questions

### Is 成金大作戦 / 巨大生物・大救出 free?

成金大作戦 / 巨大生物・大救出 is free to download, with no in-app purchases.

### Is Train Studio free?

Train Studio costs $9.99, with no in-app purchases.

### Do 成金大作戦 / 巨大生物・大救出 or Train Studio have ads?

成金大作戦 / 巨大生物・大救出 shows ads; Train Studio does not.

### Which is updated more often, 成金大作戦 / 巨大生物・大救出 or Train Studio?

成金大作戦 / 巨大生物・大救出 ships an update every 7 months, and Train Studio fortnightly. Most recently, 成金大作戦 / 巨大生物・大救出 was updated on October 2, 2026 and Train Studio on October 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.*