# PennTransit Mobile vs Colby GO

The clearest difference is rating: PennTransit Mobile at 4.8 against Colby GO's 2.0. PennTransit Mobile also leads on review sentiment (25% vs 0%) and ratings volume (883 vs 4). 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.

PennTransit Mobile holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: PennTransit Mobile has 883 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 25% of PennTransit Mobile's written reviews are positive against 0% of Colby GO's.

PennTransit Mobile ships an update every 8 months, Colby GO every 5 months. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | PennTransit Mobile | Colby GO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (883 ratings)](https://appshunter.io/ios/app/penntransit-mobile/id1642974291/reviews)** | [2.0 (4 ratings)](https://appshunter.io/ios/app/colby-go/id6446148752/reviews) |
| Number of ratings | **883** | 4 |
| Positive reviews | **25.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 months** |
| Monetization | Free | Free |
| Size | 55 MB | 21 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [University of Pennsylvania](https://appshunter.io/developer/437910363) | [PassIO Technologies](https://appshunter.io/developer/421463397) |

## What reviewers say

### PennTransit Mobile

[App page](https://appshunter.io/ios/app/penntransit-mobile/id1642974291)

Navigate campus and surrounding areas with real-time transit information. Plan trips, view schedules, and track shuttles for easy travel to, from, and around campus.

**Highlights:** Advanced Trip Planner, Real-time Vehicle Locations, Accurate Arrival Times, Schedule & Route Review, Intelligent Notifications, On-Demand Shuttle Tracking

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none

**What reviewers like**

- 👍 Simple to schedule rides
- 💡 Ability to favorite routes

**What reviewers complain about**

- 🐛 Notification issues
- 🐛 Inconsistent bus arrival times
- 🐛 Inefficient routing algorithm
- 🐛 Drivers not knowing routes

**Reported bugs**

- App not working properly
- Frequent route changes causing longer trips

**Requested features**

- Add notifications when buses arrive
- Provide more transparent bus schedules
- Improve security by calling users who don't show up


### Colby GO

[App page](https://appshunter.io/ios/app/colby-go/id6446148752)

Track real-time bus locations, schedules, and estimated arrival times for select transit agencies. The app also facilitates vehicle tracking and passenger counting for transit operators, tagging data with GPS coordinates and time.

**Highlights:** Real-time bus locations, Schedules and ETAs, Vehicle tracking, Passenger counting, GPS data tagging

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

**In-app purchases:** none


## Frequently asked questions

### Is PennTransit Mobile free?

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

### Is Colby GO free?

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

### Which has better reviews, PennTransit Mobile or Colby GO?

PennTransit Mobile is rated higher. PennTransit Mobile averages 4.8 out of 5 from 883 ratings, while Colby GO averages 2.0 from 4 ratings.

### Do PennTransit Mobile or Colby GO have ads?

Neither PennTransit Mobile nor Colby GO shows ads.

### Which is updated more often, PennTransit Mobile or Colby GO?

PennTransit Mobile ships an update every 8 months, and Colby GO every 5 months. Most recently, PennTransit Mobile was updated on October 24, 2026 and Colby GO on October 19, 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.*