# HK Bus ETA vs Shadow Chaser

HK Bus ETA and Shadow Chaser are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HK Bus ETA ships an update every 6 days, Shadow Chaser every 9 days. The most recent releases landed on October 19, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | HK Bus ETA | Shadow Chaser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/hk-bus-eta/id6475241017/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 9 days |
| Monetization | Free | — |
| Size | 136 MB | 59 MB |
| Requires iOS | 15.2 | **15.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cheuk Lam Li](https://appshunter.io/developer/1723714424) | [Chi Fung Tang](https://appshunter.io/developer/6799212926) |

## What reviewers say

### HK Bus ETA

[App page](https://appshunter.io/ios/app/hk-bus-eta/id6475241017)

This app provides real-time estimated arrival times for Hong Kong buses, including KMB, CityBus, and others. It offers smartwatch integration and home screen widgets for convenient access to your favorite routes and stops.

**Highlights:** Real-time bus ETAs, WatchOS integration, Home screen widgets, Supports multiple bus operators, MTR, Light Rail, and ferry routes, Independent or synced watch app

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Shadow Chaser

[App page](https://appshunter.io/ios/app/shadow-chaser-bus-shadow-map/id6799212924)

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

**In-app purchases:** none


## Frequently asked questions

### Is HK Bus ETA free?

HK Bus ETA is free to download, with no in-app purchases.

### Is Shadow Chaser free?

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

### Do HK Bus ETA or Shadow Chaser have ads?

Neither HK Bus ETA nor Shadow Chaser shows ads.

### Which is updated more often, HK Bus ETA or Shadow Chaser?

HK Bus ETA ships an update every 6 days, and Shadow Chaser every 9 days. Most recently, HK Bus ETA was updated on October 19, 2026 and Shadow Chaser on October 25, 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.*