Comparison

Hmmsim vs Train Crew Sim 3 (Bus Edition)

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Realistic metro operation
  • High-level graphics
  • BVE Trainsim add-on support
  • Infinite add-on customization
  • Seoulmetro Line 2 route
Features
Read full description

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.

About

Train Crew Sim 3 (Bus Edition)

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
Read full description

The latest installment in the Driver Simulator series, celebrating its 5th anniversary since its initial release, is the long-awaited “Route Bus Edition.” Based at the Ushihara Depot, you can operate a variety of uniquely themed routes: * Yumemidai Depot: An urban route passing through a university area and streets shared with trams * Kuchikawa Wharf: A route heading toward the amusement park * Business Park: An office district route behind Kuchikawa Station * Summit Observatory: A challenging route via Peace Park that includes mountainous sections 7 different bus models are available. Using in-game coins or optional purchases, you can customize: * Paint colors (5 types) * Designs (4 types) * Turn signal chimes (4 types) * LED destination sign colors (2 types) * Rear door buzzer sounds (3 types) In the game, safe driving is essential, as well as making proper stop decisions and providing onboard announcements at each bus stop.
The bus must stop within the designated area, and your accuracy is scored. Passengers may also request special fares such as “for two people” or “with a student discount.”
Operate the settings panel and handle fare adjustments accurately. Have you ever taken a route bus while traveling in Japan? Become a Japanese bus driver and support the daily lives of people in the city! Drive Japan’s unique buses and relive your journey through the scenery and sounds.

Screenshots

Hmmsim4 screens
Train Crew Sim 3 (Bus Edition)4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard8 real differences · 2 level
Hmmsim versus Train Crew Sim 3 (Bus Edition): the parameters behind the verdict, then further details
ParameterHmmsimTrain Crew Sim 3 (Bus Edition)
PriceFreeFree
Rating3.7 (170 ratings)5.0 (8 ratings) — better
Positive reviews69.8% of reviews97.6% of reviews — better
Number of ratings170 — better8
Update frequencyEvery 5 monthsEvery 6 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS7.0 — better15.0
Further details — not scored
Size211 MB303 MB
Age rating4+17+
DeveloperJemin HwangHiromi Hakozaki

Customer experience

Hmmsim

All ratings168 ratings
Positive67.3%
Neutral5.4%
Negative27.4%
Written reviews301 reviews
Positive69.8%
Neutral7.6%
Negative22.6%

Train Crew Sim 3 (Bus Edition)

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews42 reviews
Positive97.6%
Neutral0.0%
Negative2.4%

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 3 (Bus Edition)

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Hmmsim

No in-app purchases

5 purchases

Train Crew Sim 3 (Bus Edition)

One-time5
  • Unlock this stage2 variants$1.99
  • Unlock the point unlock system.$1.99
  • Ad-Free Play$1.99
Show 2 more
  • Unlock vehicle design change.$1.99
  • Unlock ReiwaA Bus$1.99

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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