# Hmmsim vs Train Crew Sim 3 (Bus Edition)

The clearest difference is rating: Train Crew Sim 3 (Bus Edition) at 5.0 against Hmmsim's 3.7. Train Crew Sim 3 (Bus Edition) also leads on update cadence (every 6 days vs every 5 months) and review sentiment (98% vs 70%). Hmmsim's advantage is in-app purchases (none vs 6) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Train Crew Sim 3 (Bus Edition) sells 5 one-off in-app purchases. Hmmsim asks for nothing beyond the download.

Train Crew Sim 3 (Bus Edition) holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Hmmsim has 170 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 70% of Hmmsim's written reviews are positive against 98% of Train Crew Sim 3 (Bus Edition)'s.

Hmmsim ships an update every 5 months, Train Crew Sim 3 (Bus Edition) every 6 days. The most recent releases landed on October 20, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Hmmsim | Train Crew Sim 3 (Bus Edition) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (170 ratings)](https://appshunter.io/ios/app/hmmsim-train-simulator/id863234164/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/train-crew-sim-3-bus-edition/id6756776509/reviews)** |
| Number of ratings | **170** | 8 |
| Positive reviews | 69.8% of reviews | **97.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 6 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 211 MB | 303 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Jemin Hwang](https://appshunter.io/developer/863234167) | [Hiromi Hakozaki](https://appshunter.io/developer/1626441902) |

## What reviewers say

### Hmmsim

[App page](https://appshunter.io/ios/app/hmmsim-train-simulator/id863234164)

Experience realistic train operations on a mobile platform. This simulator offers high-quality graphics and allows users to play PC-based add-ons, providing endless route possibilities.

**Highlights:** Realistic metro operation, High-level graphics, BVE Trainsim add-on support, Infinite add-on customization, Seoulmetro Line 2 route

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

**In-app purchases:** none

**What reviewers like**

- 👍 Great graphics
- 🚀 Realistic sounds and movement
- 💡 Ability to add BVE addons
- 🔒 Detailed and polished app

**What reviewers complain about**

- 🐛 Crashes and freezes
- 🔋 Difficulty adding routes
- 💡 Need for more camera views
- 💡 Lack of passenger/other train features

**Reported bugs**

- Play button not working
- Incompatibility with older devices
- Incorrect speed limit warnings

**Requested features**

- More routes and lines
- Ability to select different trains
- Scoring system based on timetable
- In-app route/addon downloads
- Loop the track for longer gameplay


### Train Crew Sim 3 (Bus Edition)

[App page](https://appshunter.io/ios/app/train-crew-sim-3-bus-edition/id6756776509)

Experience driving a Japanese route bus on various themed routes. Manage fares, make announcements, and ensure safe stops to support city life. Customize your bus with different paint, designs, and sounds.

**Highlights:** Operate unique Japanese bus routes, Manage passenger fares and announcements, Customize bus paint, designs, and sounds, Score accuracy for stops and driving, Experience urban, park, and mountain routes

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock this stage | $1.99 | one-time |
| Unlock the point unlock system. | $1.99 | one-time |
| Ad-Free Play | $1.99 | one-time |
| Unlock vehicle design change. | $1.99 | one-time |
| Unlock ReiwaA Bus | $1.99 | one-time |


## Frequently asked questions

### Is Hmmsim free?

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

### Is Train Crew Sim 3 (Bus Edition) free?

Train Crew Sim 3 (Bus Edition) is free to download, with in-app purchases available.

### Which has better reviews, Hmmsim or Train Crew Sim 3 (Bus Edition)?

Train Crew Sim 3 (Bus Edition) is rated higher. Hmmsim averages 3.7 out of 5 from 170 ratings, while Train Crew Sim 3 (Bus Edition) averages 5.0 from 8 ratings.

### Do Hmmsim or Train Crew Sim 3 (Bus Edition) have ads?

Train Crew Sim 3 (Bus Edition) shows ads; Hmmsim does not.

### Which is updated more often, Hmmsim or Train Crew Sim 3 (Bus Edition)?

Hmmsim ships an update every 5 months, and Train Crew Sim 3 (Bus Edition) every 6 days. Most recently, Hmmsim was updated on October 20, 2026 and Train Crew Sim 3 (Bus Edition) on October 21, 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.*