# Calculator Game vs Train Studio

The clearest difference is price: Calculator Game at Free against Train Studio's $9.99. Train Studio's advantage is ads (none vs shown). On update cadence, in-app purchases, device support and iOS requirement there is nothing between them.

Calculator Game is free to download; Train Studio costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calculator Game ships an update every 9 days, Train Studio fortnightly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Calculator Game | Train Studio |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Fortnightly |
| Monetization | — | Paid |
| Size | 130 MB | 162 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hisashi Yoshizawa](https://appshunter.io/developer/1770019728) | [masahiro goto](https://appshunter.io/developer/1639656393) |

## What reviewers say

### Calculator Game

[App page](https://appshunter.io/ios/app/calculator-game-number-rush/id6740775860)

**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 Calculator Game free?

Calculator Game is free to download, with no in-app purchases.

### Is Train Studio free?

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

### Do Calculator Game or Train Studio have ads?

Calculator Game shows ads; Train Studio does not.

### Which is updated more often, Calculator Game or Train Studio?

Calculator Game ships an update every 9 days, and Train Studio fortnightly. Most recently, Calculator Game was updated on October 25, 2026 and Train Studio on October 24, 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.*