# Hmmsim vs Subway Simulator 2D

The clearest difference is rating: Subway Simulator 2D at 4.5 against Hmmsim's 3.8. Hmmsim's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, review sentiment, update cadence and device support there is nothing between them.

Both are free to download. Subway Simulator 2D sells 2 one-off in-app purchases. Hmmsim asks for nothing beyond the download.

Subway Simulator 2D holds the better App Store score, 4.5 against 3.8. That said, the two scores are not equally well evidenced: Hmmsim has 168 ratings behind it against 23, 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 73% of Subway Simulator 2D's.

Hmmsim ships an update every 5 months, Subway Simulator 2D every 6 months. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Hmmsim | Subway Simulator 2D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (168 ratings)](https://appshunter.io/ios/app/hmmsim-train-simulator/id863234164/reviews) | **[4.5 (23 ratings)](https://appshunter.io/ios/app/subway-simulator-2d/id1167541524/reviews)** |
| Number of ratings | **168** | 23 |
| Positive reviews | 69.8% of reviews | **72.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 months** | Every 6 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 211 MB | 124 MB |
| Requires iOS | **7.0** | 12.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jemin Hwang](https://appshunter.io/developer/863234167) | [Daniel Viktorin](https://appshunter.io/developer/548928331) |

## 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


### Subway Simulator 2D

[App page](https://appshunter.io/ios/app/subway-simulator-2d/id1167541524)

Experience the life of a subway train driver in a vast city metro system. Transport passengers across 21 lines and 89 stations, managing speed, signals, and stops. Unlock new lines, upgrade trains, and customize their appearance as you explore over 100 km of tracks.

**Highlights:** Explore 89 stations on 21 metro lines, Drive underground, overground, and underwater rails, Upgrade train speed, acceleration, and brakes, Learn real subway signaling system, Customize train paint, Realistic train and ambient sounds

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| STANDARD PACK | $3.99 | one-time |
| PREMIUM PACK | $7.99 | one-time |


## Frequently asked questions

### Is Hmmsim free?

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

### Is Subway Simulator 2D free?

Subway Simulator 2D is free to download, with in-app purchases available.

### Which has better reviews, Hmmsim or Subway Simulator 2D?

Subway Simulator 2D is rated higher. Hmmsim averages 3.8 out of 5 from 168 ratings, while Subway Simulator 2D averages 4.5 from 23 ratings.

### Do Hmmsim or Subway Simulator 2D have ads?

Subway Simulator 2D shows ads; Hmmsim does not.

### Which is updated more often, Hmmsim or Subway Simulator 2D?

Hmmsim ships an update every 5 months, and Subway Simulator 2D every 6 months. Most recently, Hmmsim was updated on September 24, 2026 and Subway Simulator 2D on September 22, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*