Hmmsim vs Train Crew Sim 2 (Railway)
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Hmmsim
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.
- Realistic metro operation
- High-level graphics
- BVE Trainsim add-on support
- Infinite add-on customization
- Seoulmetro Line 2 route
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Hmmsim, the first Train Simulation game ever built in Korea, has been realized in mobile. Hmmsim features basic route based on Seoulmetro Line 2, realized in the highest level of graphic. Experience the metro operation. Also, for the first time in mobile Train Simulation game, Hmmsim can add BVE Trainsim Add-Ons. In Hmmsim, you can play BVE routes as the same which you used to do in your PC. This is the first mobile Train Simulator that you can infinitely add Add-Ons depending on your preference. See www.jeminie.net for details.
Train Crew Sim 2 (Railway)
Experience railway operations as either a driver or conductor. Manage doors, ensure passenger safety, and navigate the train to its destination. Choose between distinct modes for varied gameplay.
- Driver Mode
- Conductor Mode
- One-man Operator Mode
- Door operation
- Safety checks
- Emergency stops
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You can play both "driver" and "conductor" modes. ・In the "Conductor Mode," you will open and close doors and check for safety as you drive the tram to the end of the line. If the train is about to collide with a passenger, you can arrange for an emergency stop without hesitation. ・In "Driver Mode," you drive the Railway to the end of the line. The doors are opened and closed by the conductor. ・In "One-man Operator Mode," you are in charge of operating the doors in addition to driving the train.
Screenshots
Verdict
The clearest difference is rating: Train Crew Sim 2 (Railway) at 4.6 against Hmmsim's 3.8. Train Crew Sim 2 (Railway) also leads on update cadence (every 3 weeks vs every 5 months) and review sentiment (88% vs 70%). Hmmsim's advantage is in-app purchases (none vs 8) and ads (none vs shown). On price and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Train Crew Sim 2 (Railway) sells 8 one-off in-app purchases. Hmmsim asks for nothing beyond the download.
Train Crew Sim 2 (Railway) holds the better App Store score, 4.6 against 3.8. That said, the two scores are not equally well evidenced: Hmmsim has 168 ratings behind it against 11, 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 88% of Train Crew Sim 2 (Railway)'s.
Hmmsim ships an update every 5 months, Train Crew Sim 2 (Railway) every 3 weeks. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.
| Parameter | Hmmsim | Train Crew Sim 2 (Railway) |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (168 ratings) | 4.6 (11 ratings) — better |
| Positive reviews | 69.8% of reviews | 88.0% of reviews — better |
| Number of ratings | 168 — better | 11 |
| Update frequency | Every 5 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 7.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 211 MB | 469 MB |
| Age rating | 4+ | 17+ |
| Developer | Jemin Hwang | Hiromi Hakozaki |
Customer experience
Hmmsim
Train Crew Sim 2 (Railway)
Bugs and requests
Hmmsim
Reported bugs
3 issues- Play button not working
- Incompatibility with older devices
- Incorrect speed limit warnings
Requested features
5 requests- 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 2 (Railway)
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Hmmsim
No in-app purchases
Train Crew Sim 2 (Railway)
- LED Headlight$0.99
- Unlock the 4000 Series Train$1.99
- Unlock Vehicles$1.99
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- Unlock Stages$1.99
- Unlock Series 10000 train$1.99
- Unlock Series 100 train$1.99
- Unlock Limited Express$1.99
- Ad-Free Play$1.99
Questions
Is Hmmsim free?
Is Train Crew Sim 2 (Railway) free?
Which has better reviews, Hmmsim or Train Crew Sim 2 (Railway)?
Do Hmmsim or Train Crew Sim 2 (Railway) have ads?
Which is updated more often, Hmmsim or Train Crew Sim 2 (Railway)?
Other comparisons
