Swift Backup
MCBackup
My Contacts Backup
My Contact Easy Backup Restore
Vcf File Contact Import
Contacts Backup by Rockstar
Wide Angle Contact Transfer
Contacts backup and restore
Dropsync
rsync
Share Contacts PRO
vCard Export Import(Lite)
Backuplist
Video Photo Backup & Restore
FreeFileSync
Picflow
Swift BackupBased on our record, Swift Backup seems to be more popular. It has been mentiond 5 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
All methods are going to result in data-loss so I'd recommend making a backup of your device (swift backup can help with apps) and factory reset/format your device once and try using it & see if the issue occurs. You can always choose other options later. Source: over 1 year ago
The old YT Vanced app used to disappear too, but much less frequently (maybe once every 3-4 months). However, it wasn't a big deal since I could restore the app with SwiftBackup in a few minutes. This is not possible with ReVanced (don't know why - the restored app just keeps crashing). Source: over 1 year ago
Open up Aurora Store and search for Swift Backup and install it (don't open it yet), or get the latest apk of Swift Backup (https://swiftapps.org/) (https://play.google.com/store/apps/details?id=org.swiftapps.swiftbackup&pcampaignid=pcampaignidMKT-Other-global-all-co-prtnr-py-PartBadge-Mar2515-1. Source: almost 2 years ago
What do you mean SwiftBackup is not on Android? Yes, SwiftBackup is available for Android. Https://swiftapps.org/ It is even available on the Google Playstore. Too bad that it seems to be a bit too intrusive forcing google login to access it's full set of features. Source: almost 2 years ago
Bonus for rooted users: Swift Backup - backup entire app (included app data, such as scores/accounts) to make perfect backups. With premium, it can also backup to cloud. Source: about 2 years ago
MCBackup - MCBackup is an app by Globile that comes up with features to help you in creating a backup all your contacts to restore it in case of deletion of contacts.
rsync - rsync is a file transfer program for Unix systems. rsync uses the "rsync algorithm" which provides a very fast method for bringing remote files into sync.
My Contacts Backup - My Contacts Backup app enables users to keep track of their contacts list to merge or delete all the duplicate contacts.
Share Contacts PRO - Share Contacts PRO app comes up with features to help users in editing a contact from your phonebook to change the name, phone number, address, and other details without much of a stretch.
My Contact Easy Backup Restore - My Contact Easy Backup Restore app provides features through which users can manage their phone book by recovering deleted contacts, adding new contacts, deleting existing contacts, and editing contacts, etc.
vCard Export Import(Lite) - vCard Export Import(Lite) app allows you to export your phone numbers in your contact list to the internal storage in vcard, vcf, txt, CSV, and various other file formats.