Comparison

Sync vs Contacts Sync

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Sync

Easily back up, restore, and merge your contacts without a computer. Manage duplicates and delete multiple contacts efficiently. Seamlessly transfer contacts between iOS and other smartphones.

Highlights
  • Backup and restore contacts
  • Merge duplicate contacts
  • Delete multiple contacts
  • VCF export
  • Cloud backup
  • Cross-platform compatibility
Features
Read full description

‘Sync - Backup & Merge Contacts’ is the easiest way to backup and restore your contacts all from your phone without needing a computer. Backup & restore contacts from or to iOS to other smartphones seamlessly without any hassle. The app will restore contacts from previous backup from backed up vCard files in disk or from cloud. All contacts can be easily restored, merged and backed up from the app. Any other device with this app installed, logged in using same account, will get instant notification to restore newly backed up contacts. You can also delete multiple contacts without a hassle. You can both delete all the contacts or select them to delete selectively. MAIN FEATURES : - Easily restore your contacts from any mobile device via app’s cloud. - In App VCF (vCard) export. - Backup all or selectively to cloud. - Backup Contacts as VCF (vCard) or share the contact's’ vCard to another device via shareit, mail, shareit or upload via dropbox, google drive etc*. - Merge or replace duplicated contacts. - Get notification on new restores from other devices. - Delete all contacts or multiple contacts selectively. *Note: To use third party services, they must be installed prior use. BACKUP & RESTORE: - Unlimited backups & restore. But more contacts can increase the backup file size and the processing time. - Backup all or selected contacts from app’s cloud or offline vCard file. - Quickly export your backups to Dropbox, Google Drive, Email. - Save vCard offline for use in other applications or to share with another person. - Easily restore your contacts from any mobile device. MERGE DUPLICATE CONTACTS: - Use during restore through ‘Manage duplicates’ option or anytime you see fit from the main screen of app. - Find & merge contacts with similar names. - Find & Merge contacts with duplicate phone. - Can merge any amount of duplicated contacts based on name and/or phone number. MULTIPLE DELETE: - Delete all contacts. - Delete selectively marking the contacts to remove. - Smart filters to categorize contacts prior deletion. PREMIUM SERVICE: The app contains Ads provided by Google’s Admob framework. To disable Ads, purchase the premium service once. You can switch the Ads on/off from settings panel inside app. P.S.: If you use the app’s cloud backup/restore service, please turn off iCloud contact sync from settings menu of your iPhone. If iCloud contact sync is on it might cause the merged duplicated files to appear again after merge. Terms of use: http://iit.space/terms_and_conditions/sync_backup_and_restore_contacts.html Privacy policy: http://iit.space/privacy_policy/sync_backup_and_restore_contacts.html CONTACT US : Feel free to contact us directly if you need any kind of support: https://iit.cse.party We hope you love our app and make a good use of it to manage your contacts. Download it today and let us know what you think.

About

Contacts Sync

Easily back up, export, and restore your phone's contacts without a computer. This app helps you find and merge duplicate entries, ensuring your address book stays organized and secure. Supports multiple export formats and cloud storage options.

Highlights
  • Contact backup to secure cloud storage
  • Export contacts in VCF, XLS, CSV formats
  • Find and merge duplicate contacts
  • Restore contacts from backup files
  • Automatic daily, weekly, monthly backups
  • Export backups via third-party apps
Features
Read full description

Contacts Backup App is the easiest way to backup your contacts all from your phone without needing a computer. Also you can find duplicate contacts and merge by allocating contacts with similar names or identical phone numbers and email addresses. You can backup the contacts from the address book in 3 different file formats in no time: VCF, XLS and CSV. ** Backup: Allow Easy Backup to access your contacts and choose the Backup option in the app. That’s it! All your contacts are safe on our secure cloud storage. You can turn automatic backup ON and choose between daily, weekly and monthly backup frequency. ** Export: Export your VCF, XLS and CSV backups via third party apps like WhatsApp, iMessage, Email, and Airdrop. At any time, you can access and restore previous backups. You can also export your backup to Google Drive and Dropbox. ** Merge Duplicate Contacts: Users can view the contacts which have duplicate/missing phone numbers, emails, or names. Find & Merge duplicate contacts, phones, emails, and similar names. Also, you can remove contacts without names or phone number. ** Restore: No need to use any app to restore the backup files. Just tap on the .vcf backup file in the iPhone, iPod Touch or iPad Mail client and restore your contacts. Contact Backup is 100% safe for your contacts. The backup and export are done on our secure servers or Google Drive and Dropbox. If you have any questions about the app, please do not hesitate to contact us at appsupport@backup.contact, we’ll be happy to help! IMPORTANT NOTE: After sending backup file (*.vcf) to yourself, please check your inbox to see if message arrived and contains attachment (backup file). Sometimes email providers block attachments if attachment size is too large. Try with another mail account if possible, to send your backup file. We also offer Tera Backup Pro, a set of premium features to keep your contacts secure at all times while accessible from all places. This service includes the following features: • Automatic backups of your contacts • Secure cloud storage of your backups • Military-grade AES-256 encryption of your cloud backups This service is offered as an auto-renewable subscription for Week: $1.99 per week Month: $4.99 per month (3 Days Free Trial) Year: $19.99 per year ------------------------ Please see the subscription details below: - The subscription price is automatically renewed every month until cancelled. - Your payment will be charged to your iTunes Account as soon as you confirm your purchase. - You can manage your subscriptions and turn off auto-renewal from your Apple ID account settings after the purchase. - Your subscription will renew automatically, unless you turn off auto-renew at least 24 hours before the end of the current period. - The cost of renewal will be charged to your account in the 24 hours prior to the end of the current period. - When canceling a subscription, your subscription will stay active until the end of the period. Auto-renewal will be disabled, but the current subscription will not be refunded. - Any features requiring an active subscription (including Cloud Storage) may, at any time without notice, be turned off or removed after the subscription has ended. Privacy Policy: https://backup.contact/privacy-policy.html Terms of Use: https://backup.contact/term-condition.html

Screenshots

Sync4 screens
Contacts Sync4 screens

Verdict

The call

The clearest difference is ads: Sync at none against Contacts Sync's shown. Sync also leads on update cadence (weekly vs every 6 weeks) and rating (4.8 vs 4.5). Contacts Sync's advantage is ratings volume (25 vs 4). On price, in-app purchases, monetization model and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Sync sells 1 one-off in-app purchase and Contacts Sync sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Sync holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: Contacts Sync has 25 ratings behind it against 4, so its average is the more settled of the two.

UpkeepUpdate frequency

Sync ships an update weekly, Contacts Sync every 6 weeks. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 4 level
Sync versus Contacts Sync: the parameters behind the verdict, then further details
ParameterSyncContacts Sync
PriceFreeFree
Rating4.8 (4 ratings) — better4.5 (25 ratings)
Number of ratings425 — better
Update frequencyWeekly — betterEvery 6 weeks
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.0 — better15.0
Further details — not scored
Size28 MB92 MB
Age rating4+4+
DeveloperMd Abu Shahriar RatulHaresh Purbiya

Customer experience

Sync

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Contacts Sync

All ratings20 ratings
Positive85.0%
Neutral0.0%
Negative15.0%

In-app purchases

1 purchases

Sync

One-time1
  • Premium$0.99
3 purchases

Contacts Sync

Subscriptions3
  • Contact backup PRO - weekly$1.997 Days
  • Contact backup PRO - Monthly3 Days trial$4.991 Month
  • Contact backup PRO - Yearly$19.991 Year

Questions

Is Sync free?
Sync is free to download, with in-app purchases available.
Is Contacts Sync free?
Contacts Sync is free to download, with in-app purchases available.
Which has better reviews, Sync or Contacts Sync?
Sync is rated higher. Sync averages 4.8 out of 5 from 4 ratings, while Contacts Sync averages 4.5 from 25 ratings.
Do Sync or Contacts Sync have ads?
Contacts Sync shows ads; Sync does not.
Which is updated more often, Sync or Contacts Sync?
Sync ships an update weekly, and Contacts Sync every 6 weeks. Most recently, Sync was updated on October 22, 2026 and Contacts Sync on October 24, 2026.

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