How to Install Scarlet Cloud on iOS, Get Certificates, and Enable Auto Refresh
How to Install Scarlet Cloud on iOS, Get Certificates, and Enable Auto Refresh
Apple’s ecosystem is known for being secure and locked down — but that also means you can’t normally install apps outside of the App Store. Enter Scarlet, a third-party sideloading tool for iOS that allows you to install IPA files, tweak apps, and bypass many of Apple’s restrictions. With Scarlet Cloud, you can easily sign and install apps on your iPhone or iPad without jailbreaking.
In this guide, we’ll cover:
What Scarlet Cloud is
How to generate iOS certificates with Scarlet Cloud
Step-by-step installation
How to enable Auto Refresh so your apps don’t expire every 7 days
What is Scarlet Cloud?
Scarlet Cloud is a companion desktop app (for Windows and macOS) that works with the Scarlet iOS app. It allows you to sign IPA files with your own Apple ID, generating a valid iOS provisioning profile (certificate). This certificate tells your iPhone the app is safe to run.
Unlike shady “enterprise certificates” that Apple quickly revokes, Scarlet Cloud uses your personal Apple ID to create a legitimate certificate. The result: safer sideloading and fewer app revokes.
Requirements Before You Begin
A Windows or Mac computer
iTunes + iCloud installed (from Apple’s website, not the Microsoft Store)
An Apple ID (you can use your main ID, but many users create a secondary one for sideloading)
The Scarlet Cloud app - DOWNLOAD
A USB cable to connect your iPhone or iPad
How to Get a Certificate with Scarlet Cloud
Download Scarlet Cloud
Install the app on your computer from the official Scarlet website.Authorize Your Computer
Open iTunes.
Sign in with your Apple ID.
Go to Account → Authorizations → Authorize This Computer.
Connect Your iPhone
Plug in your iPhone or iPad and tap Trust This Computer if prompted.Open Scarlet Cloud
Your device should now appear inside the Scarlet Cloud interface.Enter Your Apple ID
Scarlet Cloud will request your Apple ID credentials to generate a certificate.Pro Tip: Use a dedicated sideloading Apple ID for extra security.
Drag & Drop IPA Files
Drop any IPA into Scarlet Cloud. It will automatically sign it with your new certificate and install it onto your iPhone.Trust the Certificate on iOS
On your iPhone, go to:
Settings → General → VPN & Device Management → Developer App (Your Apple ID) → Trust.
Your app is now ready to use!
Enabling Auto Refresh in Scarlet
One of the biggest drawbacks of free Apple IDs is that certificates expire every 7 days, requiring you to re-sign and reinstall apps. Scarlet helps solve this with Auto Refresh.
Here’s how to set it up:
Keep Scarlet Installed on Your iPhone
Scarlet acts as a manager for your sideloaded apps.Enable Developer Mode
On iOS, go to Settings → Privacy & Security → Developer Mode and turn it on. This ensures Scarlet can manage re-signing.Sign Into Scarlet with the Same Apple ID
Use the same Apple ID you used in Scarlet Cloud to sync your certificate.Enable Auto Refresh Inside Scarlet
Open Scarlet on your iPhone.
Go to Settings → Auto Refresh.
Toggle it ON.
Keep Scarlet Active
Scarlet will now automatically re-sign your apps before they expire, as long as your device remains connected to Wi-Fi occasionally.
Free vs. Paid Certificates
Free Apple ID: Apps last 7 days; max 3 sideloaded apps at once. Auto refresh helps reduce hassle.
Apple Developer Account ($99/year): Apps last 1 year; higher device and app limits; no weekly re-signs needed.
For casual users, the free Apple ID method works fine. For power users, the paid developer account is worth considering.
Final Thoughts
Scarlet Cloud makes sideloading on iOS straightforward, safe, and flexible. By generating certificates with your own Apple ID, you avoid unreliable enterprise certs and gain more control over your device. With Auto Refresh, Scarlet ensures your apps stay signed without constant reinstallation.
If you’re tired of revoked apps and unstable third-party stores, Scarlet + Scarlet Cloud is one of the best sideloading setups available in 2025.
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