sync vs Contacts Sync
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
sync
Safely back up and export your contacts to various file formats like Excel, PDF, or HTM. This app analyzes your contact list, helps merge duplicates, and cleans up missing information without uploading data to third-party servers.
- Backup and export contacts to CSV, HTM, or PDF
- Import backup files from email or local storage
- Intelligent contact list analysis with graphic display
- Merge duplicate contacts
- Clean up contacts with missing information
- No third-party server uploads for enhanced security
Read full descriptionHide full description
Backup Contacts, Safety First! Not uploaded to third-party servers, directly exported as a file, sent to your security mail box, and can be downloaded to the local reading editor! #. Backup & Export & Editor for Excel (CSV) or page (HTM) or PDF files. #. from simple mailbox into backup files. #. mail list intelligent analysis, graphic display, intelligent contact with duplication of contacts, lack of intelligent cleaning important information. Operation method: 1, backup & Export & edit for Excel (CSV) or page (HTM) or PDF file Contacts in the address book, you can directly back up and export files without CSV or htm. CSV files can be directly open to browse HTM, Excel files can be directly IE, Safari, chrome and other browser browser. CSV documents and HTM files can be sent directly through the mail back. If you use Excel to open the garbled CSV file, please open the blank Excel, Select > > select text data from the *.csv file, then select the English comma delimiter, UTF8 encoding format, can eliminate garbled, normally open. 2, from the mailbox simply import backup files You can directly select a record from the program's export records, directly import the backup to contact. If you replace the equipment, can also be in the mail (or other program to save backup files) open backup file, select "other programs open" - "select" mail list cleanup experts ", related to the program," mail list cleanup expert] will automatically analyze the records, and imported into the mail list. For their own write or edit the CSV and HTM backup files, as long as the CSV and HTM file format, can be properly imported. 3, address book intelligent analysis, graphic display. Will you contact intelligent analysis, including contact name, telephone, eMail, and the results have tables and charts show the way, make your mail list content at a glance. 4, repeated contact intelligent merger. For contact name, telephone, eMail duplicate contacts, you can easily merge into a new contact, and can choose whether to delete the old contact. 5, the lack of important information contact intelligent cleaning For the missing contact name, telephone, eMail and other important information of the contact, you can delete a key, or separate delete, or to add them to complete. Note: when the program starts, please run the program to access your communication rate, otherwise can not be cleaned up, if you click on the start or not, please in the system settings - > > Privacy mail list, authorized to access the mail list, you can start again.
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.
- 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
Read full descriptionHide 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
Verdict
The clearest difference is rating: Contacts Sync at 4.5 against sync's 3.0. Contacts Sync also leads on ratings volume (25 vs 3). sync's advantage is iOS requirement (8.0 vs 15.0). On price, update cadence, ads and in-app purchases 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
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.
Contacts Sync holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: Contacts Sync has 25 ratings behind it against 3, so its average is the more settled of the two.
sync ships an update every 2 months, Contacts Sync every 6 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | sync | Contacts Sync |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (3 ratings) | 4.5 (25 ratings) — better |
| Positive reviews | 14.6% of reviews | — |
| Number of ratings | 3 | 25 — better |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 15 MB | 92 MB |
| Age rating | 4+ | 4+ |
| Developer | 泽辉 王 | Haresh Purbiya |
Customer experience
sync
Contacts Sync
In-app purchases
sync
- Permanently Remove ads$1.99
Contacts Sync
- Contact backup PRO - weekly$1.997 Days
- Contact backup PRO - Monthly3 Days trial$4.991 Month
- Contact backup PRO - Yearly$19.991 Year









