# Chicago ETAs: CTA Tracker — ETAs for CTA buses and trains

> Real-time Chicago CTA bus and train arrival time tracker. (iPhone/iPad app by Emil Mikkelsen.)

- Source: https://appshunter.io/ios/app/chicago-etas-cta-tracker/id6740632721 (this page in markdown: same URL + `.md`)
- Developer: [Emil Mikkelsen](https://appshunter.io/developer/642455601)
- Category: Navigation, Travel
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 18.0 · 6 MB
- Languages: English
- Released: 2025-01-20
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/chicago-etas-cta-tracker/id6740632721/reviews.md

## What is Chicago ETAs?

Key Features:
- Real-Time Arrival Times: Get up-to-the-minute updates for CTA buses and trains.
- Lock Screen Tracking: Show live ETAs for busses and trains on lock screen to conveniently track specific departures.
- Favorite Stops: Save your frequently used stops for quick access to arrival times.
- Nearby Stops: Easily find nearby bus and train stops based on your current location.
- Detailed Route Info: Look up specific buses and trains to view route details and schedules.

This app is not affiliated with the Chicago Transit Authority (CTA), though displays data provided publicly by the CTA.

## Key features

- Real-time arrival times
- Lock screen tracking
- Favorite stops
- Nearby stops finder
- Detailed route information


## Frequently asked questions about Chicago ETAs

### What is Chicago ETAs: CTA Tracker?

Chicago ETAs: CTA Tracker provides real-time arrival estimates for CTA buses and trains in Chicago. It helps you track departures, save favorite stops, and find nearby transit locations.

### Is Chicago ETAs: CTA Tracker free to use?

Yes, Chicago ETAs: CTA Tracker is completely free to use. It does not have any in-app purchases or subscription fees.

### Does Chicago ETAs: CTA Tracker have ads?

No, Chicago ETAs: CTA Tracker is ad-free. Users can enjoy an uninterrupted experience while tracking transit information.

### What devices does Chicago ETAs: CTA Tracker support?

Chicago ETAs: CTA Tracker is currently available for iPhone devices. Support for other platforms may be added in future updates.

### How accurate are the arrival times in Chicago ETAs: CTA Tracker?

The app provides real-time updates based on data publicly provided by the CTA, aiming for the most up-to-the-minute arrival estimates possible.

### Can I track specific bus or train departures on my lock screen?

Yes, Chicago ETAs: CTA Tracker features lock screen tracking, allowing you to conveniently view live arrival estimates for your chosen departures without unlocking your phone.

### How often is Chicago ETAs: CTA Tracker updated?

The latest version, 2.0.0, was released on October 6, 2025. Updates are released periodically to improve functionality and reliability.

### Is Chicago ETAs: CTA Tracker affiliated with the CTA?

No, Chicago ETAs: CTA Tracker is not officially affiliated with the Chicago Transit Authority (CTA). It utilizes publicly available data from the CTA.

## Version history (last 5 releases)

### 2.0.0 — 2025-10-06

- iOS 26 native design.
- Able to use alternate ETAs when stops have long distances between them for buses.
- Other improvements

### 1.3.3 — 2025-04-08

Added functionality for sharing train and bus ETAs

### 1.3.2 — 2025-04-06

Behind-the-scenes improvements

### 1.3.1 — 2025-04-02

Small changes, added initial app clip functionality.

### 1.3 — 2025-03-19

Added lock screen tracking by swiping right on busses and trains on station departure boards

## Apps similar to Chicago ETAs

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Chicago Transit: CTA Tracker](https://appshunter.io/ios/app/chicago-transit-cta-tracker/id6471383439) | 4.8 (252) | Free | Navigation |
| [Chicago CTA Bus Tracker](https://appshunter.io/ios/app/chicago-cta-bus-tracker/id1369778129) | 4.2 (184) | Free | Navigation |
| [Chicago CTA Metro Map](https://appshunter.io/ios/app/chicago-cta-metro-map/id635826132) | 4.6 (151) | Free | Navigation |
| [Transit Stop: CTA Tracker.](https://appshunter.io/ios/app/transit-stop-cta-tracker/id414569920) | 4.6 (31,200) | Free | Navigation |
| [CTA Transit Tracker](https://appshunter.io/ios/app/cta-transit-tracker/id6477437106) | 4.6 (182) | Free | Navigation |
| [ChiGo - Chicago Trains & Buses](https://appshunter.io/ios/app/chigo-chicago-trains-and-buses/id6739185774) | 5.0 (14) | Free | Navigation |

## More apps by Emil Mikkelsen

- [Moleculator](https://appshunter.io/ios/app/moleculator/id642455598)

All apps by Emil Mikkelsen: https://appshunter.io/developer/642455601

## Related topics

[cta tracker train](https://appshunter.io/ios/topics/cta-tracker-train)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*