Notes on switching from App Store billing to Sourcenext's code version for Dropbox

Here are the actual steps for switching from the iOS (AppStore) trial version of Dropbox to the Sourcenext online code version.
If you buy the Sourcenext code version available on Rakuten Ichiba, you can use the paid version quite cheaply thanks to point rewards.
I purchased the 3-year version.
Sourcenext Dropbox Plus 3-year version online purchase (latest) | Compatible with Win・Mac/iOS/Android | Online code version
Purchasing from here would be a great encouragement!
There is also a 6-year version.
Sourcenext Dropbox Plus 3-year version x2 set (latest) | Compatible with Win・Mac/iOS/Android | Online code version
There is also a 9-year version... but around this point, the point reward cap is reached, and the value for money diminishes, so I will omit it here.
We also introduce the steps to "extend" your license using a Sourcenext license code here.
Table of Contents
Unsubscribe from AppStore billing
First, we will unsubscribe from the AppStore subscription.
Tap "Account > Current Plan" in Dropbox.
Tap Cancel Plus plan.
Tap Cancel Plus.
According to the description here, canceling Plus does not seem to immediately delete your data. (Please check the latest information just in case.)
The AppStore subscription will open, so tap Dropbox.
(I forgot to take a screenshot, but)
Please cancel the subscription.
It will look like this once canceled.
After this, I tried to apply for a Sourcenext license key to revert to the paid version, but I couldn't apply until the AppStore subscription expired.
So, let's wait until the AppStore subscription expires.
Sourcenext code version can be purchased in advance without any issues.
Apply for a license key after the expiration date
The AppStore subscription has expired.
Now, we will apply for the Sourcenext license key.
Use the "Sub Key" listed in the email from Sourcenext.
Please have it ready in advance.
The Sub Key format is xxxxx-xxxxx-xxxxx-xxxxx-xxxxx.
The purpose of the Main Key is unknown.
It displayed "Your Dropbox is full." The plan has also reverted to Basic.
Tap here to proceed with the license key application.
The browser launched.
Tap "Upgrade" from the icon in the top right.
Tap "Apply for license key".
Enter the Sub Key listed in the email, set the country to "Japan", and tap "Start using Dropbox Plus".
It showed "License key applied".
The app has also reverted to the paid version.
That concludes the notes on switching Dropbox from AppStore billing to the Sourcenext code version.
I had to let the paid version's subscription expire once, which made me a bit worried, so I decided to write this article.
I hope this helps someone.
3-year version
Sourcenext Dropbox Plus 3-year version online purchase (latest) | Compatible with Win・Mac/iOS/Android | Online code version
Purchasing from here would be a great encouragement!
6-year version
Sourcenext Dropbox Plus 3-year version x2 set (latest) | Compatible with Win・Mac/iOS/Android | Online code version



















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