# Zero4Racer PRO vs Japanese Train drive Sim

The clearest difference is review sentiment: Japanese Train drive Sim at 76% against Zero4Racer PRO's 29%. Japanese Train drive Sim also leads on rating (4.4 vs 3.1) and iOS requirement (12.0 vs 15.0). Zero4Racer PRO's advantage is ads (none vs shown) and ratings volume (35 vs 7). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Zero4Racer PRO sells 2 one-off in-app purchases and Japanese Train drive Sim sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Japanese Train drive Sim holds the better App Store score, 4.4 against 3.1. That said, the two scores are not equally well evidenced: Zero4Racer PRO has 35 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 29% of Zero4Racer PRO's written reviews are positive against 76% of Japanese Train drive Sim's.

Zero4Racer PRO ships an update every 2 weeks, Japanese Train drive Sim fortnightly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Zero4Racer PRO | Japanese Train drive Sim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (35 ratings)](https://appshunter.io/ios/app/zero4racer-pro/id410062906/reviews) | **[4.4 (7 ratings)](https://appshunter.io/ios/app/japanese-train-drive-sim/id1522882279/reviews)** |
| Number of ratings | **35** | 7 |
| Positive reviews | 28.6% of reviews | **76.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 367 MB | 339 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [J-Tech Creations, Inc.](https://appshunter.io/developer/360318559) | [Hiromi Hakozaki](https://appshunter.io/developer/1626441902) |

## What reviewers say

### Zero4Racer PRO

[App page](https://appshunter.io/ios/app/zero4racer-pro/id410062906)

Experience the thrill of drag racing with precise tilt controls and an on-screen clutch. Build and upgrade your cars, race against your own ghost, and compete on local leaderboards. Enjoy a pure drag racing simulation with no ads or tracking.

**Highlights:** Tilt and clutch controls, Accelerometer throttle modes, Driver profile creation, Car customization and upgrades, Ghost racing mode, Local and Game Center leaderboards, Tunable engine sound

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Characters | $0.99 | one-time |
| ADs Remover package. | $1.99 | one-time |


### Japanese Train drive Sim

[App page](https://appshunter.io/ios/app/japanese-train-drive-sim/id1522882279)

Experience the role of a train driver on a scenic Japanese railway. Manage passenger boarding, operate single-operator trains, and navigate diverse weather conditions. Special stages include coupling and freight operations.

**Highlights:** Operate single-operator trains, Manage passenger boarding and door operations, Experience scenic coastal and forest routes, Switch between interior and exterior viewpoints, Encounter various weather conditions, Engage in special stages like coupling and freight

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free Play | $1.99 | one-time |
| キハ30形を解放 | $1.99 | one-time |
| キハ10形を解放 | $1.99 | one-time |
| ポイント解放制をアンロック | $1.99 | one-time |
| 2000形(展望改造車)を解放 | $1.99 | one-time |
| ボーナスステージのコイン解放制をアンロック | $1.99 | one-time |


## Frequently asked questions

### Is Zero4Racer PRO free?

Zero4Racer PRO is free to download, with in-app purchases available.

### Is Japanese Train drive Sim free?

Japanese Train drive Sim is free to download, with in-app purchases available.

### Which has better reviews, Zero4Racer PRO or Japanese Train drive Sim?

Japanese Train drive Sim is rated higher. Zero4Racer PRO averages 3.1 out of 5 from 35 ratings, while Japanese Train drive Sim averages 4.4 from 7 ratings.

### Do Zero4Racer PRO or Japanese Train drive Sim have ads?

Japanese Train drive Sim shows ads; Zero4Racer PRO does not.

### Which is updated more often, Zero4Racer PRO or Japanese Train drive Sim?

Zero4Racer PRO ships an update every 2 weeks, and Japanese Train drive Sim fortnightly. Most recently, Zero4Racer PRO was updated on October 26, 2026 and Japanese Train drive Sim on October 25, 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.*