# Greenline vs Terrier Transit

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.

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.

## The numbers

| Metric | Greenline | Terrier Transit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (59 ratings)](https://appshunter.io/ios/app/greenline-mbta-tracker/id957161686/reviews)** | [2.8 (180 ratings)](https://appshunter.io/ios/app/terrier-transit/id1492295917/reviews) |
| Number of ratings | 59 | **180** |
| Positive reviews | **53.1% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 months** |
| Monetization | Free | Free |
| Size | 9 MB | 176 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vladimir Grinman](https://appshunter.io/developer/391243613) | [Boston University](https://appshunter.io/developer/365198772) |

## What reviewers say

### Greenline

[App page](https://appshunter.io/ios/app/greenline-mbta-tracker/id957161686)

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.

**Highlights:** Real-time arrival predictions, Live train locations, Interactive map, Nearest station detection, Train location sharing

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

**In-app purchases:** none

**What reviewers like**

- 👍 Great for tracking Green Line
- 🚀 Fast and efficient information
- ✨ Simple and clean interface
- 🗺️ Visual live map tracking
- ✅ Accurate timing (when working)

**What reviewers complain about**

- 🐛 Frequently stops working
- 🐛 App crashes often
- 🐛 Loading screen issues
- 🐛 Inaccurate timings
- 🐛 Missing stops/stations

**Reported bugs**

- 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

**Requested features**

- 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


### Terrier Transit

[App page](https://appshunter.io/ios/app/terrier-transit/id1492295917)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none

**What reviewers like**

- 👍 Sometimes works
- 👍 Useful for tracking school bus
- 👍 Appreciates integration of other transit (rare)
- 👍 Real-time shuttle information (when working)

**What reviewers complain about**

- 😞 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

**Reported bugs**

- 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

**Requested features**

- Make app like Apple Maps or Google Maps
- Improve UI and navigation
- Fix live location updating
- Fix update alert pop-up
- Simplify features


## Frequently asked questions

### Is Greenline free?

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

### Is Terrier Transit free?

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

### Which has better reviews, Greenline or Terrier Transit?

Greenline is rated higher. Greenline averages 3.3 out of 5 from 59 ratings, while Terrier Transit averages 2.8 from 180 ratings.

### Do Greenline or Terrier Transit have ads?

Neither Greenline nor Terrier Transit shows ads.

### Which is updated more often, Greenline or Terrier Transit?

Greenline ships an update every 7 months, and Terrier Transit every 6 months. Most recently, Greenline was updated on October 24, 2026 and Terrier Transit on October 22, 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.*