How to Install CatMouse APK on FireStick


This is a step-by-step guide on how to install CatMouse APK on FireStick, Fire TV 4K, and Android TV.

CatMouse app streams the latest Movies and TV Shows for free. It provides lots of neatly sorted entertainment from its vast library with a resolution quality of up to 1080p.

One would think that with such high resolutions, the app would take up a lot of space on your FireStick, but CatMouse is a uniquely designed app that takes little space but with fast streaming.

Among other things, it also contains the most popular content which is constantly being updated.

Be sure to always use a VPN before you stream any content. We recommend using Surfshark VPN as it hides your IP address and keeps your internet traffic hidden.

How to Install CatMouse APK on FireStick

Step 1: Open FireStick Home


Step 2: Click on Settings 


Step 3: Then click on My Fire TV option


Step 4: Select Developer Options


Step 5: Click on Apps from Unknown Sources 


Step 6: Then Turn ON the option


Step 7: Go back to Home and select the Search option


Step 8: In the search bar, type Downloader and click on it


Step 9: Click on the “Downloader app” that appears below


Step 10: Select Download or Get option


Step 11: Now click Open to proceed to the next step


Step 12: In case you are shown the prompt below, select Allow


Step 13: Type the URL and click GO


Step 14: Now wait while the CatMouse APK download


Step 15: Once the download is complete, click Install


Step 16: Now select ‘Done’ to complete the process


Step 17: Press Delete


Step 18: Press Delete again to confirm


Get Surfshark

How to Use CatMouse App on FireStick

Before you start streaming on CatMouse App, you should install Surfshark on Fire TV. This will help you hide your original IP address and keeps your traffic anonymous.

To open CatMouse app, long-press the Home button on your remote and then click on Apps. Here you will find recently downloaded apps, so click on CatMouse.

Once it opens, click Allow if it asks your permission, and then if there’s any update it will ask for to click update.


Click OK if it asks you to changelogs. Now, you will have to choose your default browse. I would suggest you install MX Player on FireStick.


You will now finally see the interface of CatMouse app.


Get Surfshark

Accessing CatMouse APK with a VPN

As I’ve discussed many times before, it is always recommended to use a VPN whenever you stream free content on firestick through third-party apps.

It is important to choose the right VPN as well but also affordable.

Follow these steps to install Surfshark:

First, you will need to subscribe to Surfshark VPN

Open FireStick Home and click on the Search icon that you see at the top-left corner

Now you need to type Surfshark and click on the search result that appears

Select Surfshark app from the list of apps that appear

Click on Download and then Open the Surfshark app

One it opens, enter Username/Password, and connect to any server. Once connected, start streaming Movies/TV Shows from CatMouse APK.


How to Use Real Debrid with CatMouse APK

For more streaming links and in HD quality, you can use a premium service called Real-Debrid which is extremely cheap.

It will add high quality streaming links so you don’t have to face any kind of buffering issues.

Before you set up Real Debrid on CatMouse APK, make sure your VPN is turned OFF. Once the set up is completed, you can turn back on.

1. Register with Real Debrid

2. Open CatMouse app and then click on Settings or 3 horizontal-shaped lines icon


3. Click on Settings


4. Select Login to Real Debrid


5. A code will be provided to you. Note down that code


6. Open on any of your devices. Enter that code and click Continue


7. Once the code is approved, go back to the FireStick device and it will say Real Debrid Authorized.


CatMouse APK Alternatives

Here are some of the alternatives to this app that also streams free movies and TV shows:

There are plenty of other Fire TV Stick apps that show Live TV, Movies, TV Series, and more. But before you install them always remember that you need the best VPN for FireStick to remain anonymous while streaming.

Frequently Asked Questions

Is CatMouse any good?

CatMouse has been around for a while now and is performing really well because it fetches some good streaming links. It is a clone of Terrarium TV and so far has been truly met with expectations.

Should I need a VPN for CatMouse?

It is not compulsory to use a VPN with this app but using it will prevent any data or IP leak. If your ISP knows that you’re streaming free content, it could get you in trouble. A VPN prevents that from happening by hiding your IP address.


CatMouse APK is a nice replacement for Terrarium TV because of the amount of great streaming links and the use of a Real Debrid service.

It even streams Movies and TV Shows that go up to 1080p which is extremely rare in these free apps.

This guide is a source to install CatMouse on FireStick, but be sure to use a VPN such as Surfshark before streaming.

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