Greenline vs Terrier Transit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Greenline
Get real-time arrival predictions and live train locations for the MBTA Green Line. Features an interactive map to track trains moving across Boston and allows you to share your train's location with friends.
- Real-time arrival predictions
- Live train locations
- Interactive map
- Nearest station detection
- Train location sharing
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Greenline displays the real-time arrival predictions and locations for all MBTA Green Line trains. Greenline has a sleek and intuitive design. When you first open the app, it will find the nearest station, tell you how many minutes until the next train arrives, and show you where the train is currently located. While you're waiting for your train, you can play with the interactive map and watch as Green Line trains move across Boston. Meeting a friend? Let your friends know where you are by sharing you're train so they can track you in the app. Greenline is powered by real-time vehicle prediction and location data provided by the MBTA.
Terrier Transit
Navigate Boston University's campus and city transit with real-time arrival times, service alerts, and step-by-step directions. Plan your journeys efficiently using buses, trains, and bikes, with options for offline maps and international travel.
- Real-time arrival updates
- Service disruption alerts
- Step-by-step transit directions
- User-reported issue notifications
- Favorite lines and stations
- Integrated bike route planning
- Offline map viewing
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Terrier Transit is your key to getting to, from, and around Boston University. Transportation is an integral part of life at Boston University. Whether you ride the BU Shuttle (BUS), the T, MBTA buses, or a Bluebike, to reach classes, labs, dorms, or dining halls, getting the best urban mobility information is critical – from trips to between campuses or just up and down Commonwealth Avenue. Enter BU’s Terrier Transit app, powered by Moovit! Terrier Transit guides you from point A to B in the easiest and most efficient way. Get T and bus times, maps, and real-time arrival times with ease so you can plan your trip with confidence. Find critical alerts and service disruptions for your favorite lines, including the BUS. Get step-by-step directions of optimal route bus, train, metro, bike, scooter or a combination of them. Terrier Transit is your personal assistant for trips on-campus and off! ► Real time arrivals. View real-time arrival updates, which are taken directly from GPS devices positioned on BU buses and MBTA buses and trains. Avoid wasting time guessing train times or bus times. ► Real time alerts. Know about issues ahead of time by receiving MBTA and BU service alerts such as emergency or unexpected disruptions, delays, traffic jams, new construction, and more so that you can plan ahead if your bus time or train time changed. ► Live Directions. Get step-by-step bus directions and other transit directions with live guidance from A-to-B: Know how long you need to walk to your station, view the arrival time of your line, receive get-off alerts at your destination, and more. ► Users reports. Terrier Transit’s users report issues found with stations, line service, and schedules so that we can inform all nearby riders about what’s going on in their area. ► Favorite lines, stations, and places. Always going between Central Campus and BUMC? Get easy access to lines, stations, and places you ride and visit all the time. Plus, get real-time updates if/when there are changes to your favorite lines in case your bus time or train time is impacted! ► Bike routes. Get bike routes in addition to the bus, subway, train, or metro trip plans. If you ride bikes (yours or shared) we can plan a route that includes the train or bus. Terrier Transit will help you plan a trip that meets your transit-needs. Bluebikes station data is updated in real-time. ► Maps view. Interested in seeing the whole picture? View all stations, routes, and lines on the subway or bus map. Additionally, maps are available in PDF for when you’re offline, or underground on the subway. ► International functionality. Terrier Transit isn’t just for getting around campus. It will also work for study abroad and trips home. The app can be used to navigate nearby buses and transit nationwide and across 98 other countries. If you’d like to know bus times and train times in London, Barcelona, Madrid, or Rome, or, if you need to find out when the last bus leaves a certain bus stop in Rio de Janeiro, São Paulo, Melbourne, Seoul, Terrier Transit has you covered. You ride, we guide! *** Have an idea or a question? Feel free to contact us: http://bu.edu/thebus
Screenshots
Verdict
The clearest difference is rating: Greenline at 3.3 against Terrier Transit's 2.8. Greenline also leads on review sentiment (53% vs 17%) and iOS requirement (11.0 vs 15.0). Terrier Transit's advantage is ratings volume (180 vs 59). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Greenline holds the better App Store score, 3.3 against 2.8. Both are backed by a comparable volume of ratings — 59 and 180 respectively. Written reviews point the same way: 53% of Greenline's written reviews are positive against 17% of Terrier Transit's.
Greenline ships an update every 7 months, Terrier Transit every 6 months. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.
| Parameter | Greenline | Terrier Transit |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (59 ratings) — better | 2.8 (180 ratings) |
| Positive reviews | 53.1% of reviews — better | 16.7% of reviews |
| Number of ratings | 59 | 180 — better |
| Update frequency | Every 7 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 9 MB | 176 MB |
| Age rating | 4+ | 4+ |
| Developer | Vladimir Grinman | Boston University |
Customer experience
Greenline
Terrier Transit
User reviews
Greenline
From 59 App Store ratingsWhat we love
- 👍 Great for tracking Green Line
- 🚀 Fast and efficient information
- ✨ Simple and clean interface
- 🗺️ Visual live map tracking
- ✅ Accurate timing (when working)
Room to improve
- 🐛 Frequently stops working
- 🐛 App crashes often
- 🐛 Loading screen issues
- 🐛 Inaccurate timings
- 🐛 Missing stops/stations
Terrier Transit
From 180 App Store ratingsWhat we love
- 👍 Sometimes works
- 👍 Useful for tracking school bus
- 👍 Appreciates integration of other transit (rare)
- 👍 Real-time shuttle information (when working)
Room to improve
- 😞 Buses are never on time
- 😞 Live tracking is inaccurate or not working
- 😞 App is non-functional or useless
- 😞 Buses are cancelled frequently
- 😞 UI is confusing and difficult to navigate
Bugs and requests
Greenline
Reported bugs
48 issues- App keeps crashing
- Timings are not accurate
- App shows incorrect arrival times
- App shows trains coming in 12 minutes, then suddenly missed three within 4 minutes
- App says 1 minute till arrival, but user waits 3 minutes
Show 43 moreShow fewer
- Government Center stop missing
- App won't load
- App just spins and gives an error message
- App just spins endlessly
- App refreshes over and over
- App is dead/stopped working
- App shows error message
- App stuck on loading screen
- App doesn't show arrival times or location
- App spins around and no info for months
- App not updated for iOS 11.1
- App doesn't work on new iOS
- Watch app barely works
- Watch app won't load anything
- App hasn't worked since September
- App opens but never advances past a blurry loading screen
- App won't load map
- App spins and doesn't load map
- App crashes before loading main screen
- App never gets past loading screen
- App broken after latest update
- App doesn't load up fully
- App crashes every time with iOS 8.13 since updated
- App crashes with iOS 8
- App crashes after update
- App crashes post iOS 9 release
- App crashes all the time since iOS 9 update
- App crashes when switching between inbound and outbound
- App says no MBTA info available most of the time
- App crashes whenever you select an option
- App crashes after update
- App has severe lag
- App claims train is .5 miles away when it has pulled up
- App doesn't support underground stations (prior to update)
- App crashes every time it's opened (new version)
- App doesn't work on iOS 8.4
- App has frosted glass load screen that never leaves
- App is not iOS 9 compatible
- App takes fiddling
- App doesn't always show GPS data for trains
- Mysterious delays in new data
- Mysterious error message and nothing shows up
- Tech support email doesn't always work (mailbox full)
Requested features
8 requests- Update for new Green Line extensions
- Support for new B line stops (Amory St, revised Babcock)
- Remove non-existent stops (BU West, Pleasant St, St. Paul Street)
- Add Apple Watch support
- Display next 2-3 trains in a direction
Show 3 moreShow fewer
- Allow users to add favorite stations/stops
- Add favorite branches of the Green Line
- Add Apple Watch app support
Terrier Transit
Reported bugs
9 issues- Live feature never working
- Tracking is wrong or doesn't work
- Does not show real time
- Live location not always updating
- Stops don't show up in favorites
Show 4 moreShow fewer
- App glitches and can't see bus arrival
- Update alert pop-up won't go away
- App is non-functional
- Live bus tracker missing
Requested features
7 requests- Make app like Apple Maps or Google Maps
- Improve UI and navigation
- Fix live location updating
- Fix update alert pop-up
- Simplify features
Show 2 moreShow fewer
- Bring back old app's live tracker
- Focus on BU shuttle tracking
In-app purchases
Greenline
No in-app purchases
Terrier Transit
No in-app purchases
Questions
Is Greenline free?
Is Terrier Transit free?
Which has better reviews, Greenline or Terrier Transit?
Do Greenline or Terrier Transit have ads?
Which is updated more often, Greenline or Terrier Transit?
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