Comparison

Contacts + Sync Google, Backup vs cSync

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

Head to head
About

Contacts + Sync Google, Backup

Organize your address book with powerful tools for cleaning up duplicates, deleting contacts in bulk, and managing favorites. Syncs seamlessly with Google Contacts and provides timely reminders for important dates. Includes a business card scanner and backup options.

Highlights
  • Bulk contact deletion
  • Favorite contact management
  • Google Contacts synchronization
  • Birthday and event reminders
  • Business card scanning
  • Contact backup and export
  • Duplicate contact detection
Features
Read full description

## Contacts + The fastest way to a clutter-free contact list. Is your address book filled with outdated numbers, "Pizza Delivery" from three cities ago, and nameless entries? **Contacts** is the ultimate utility designed to help you reclaim your phone’s organization in seconds. Key Features: Bulk Delete with Ease: The star of the show. Select multiple contacts or your entire list and wipe away the clutter with a single tap. No more tedious one-by-one deleting. One-Tap Favorites Management Quickly curate your inner circle. Browse your list and mark important contacts as Favorites with a single tap, ensuring your most-called people are always at the top and protected from accidental deletion. Google Contacts Sync: Manage your cloud directly. Changes made in the app—including bulk deletions and favorites—automatically sync with your Google account across all your devices. Keep your Gmail and phone address books perfectly aligned in real-time. Event & Birthday Reminder: Never miss a special moment. The app automatically scans your contacts for upcoming birthdays and anniversaries, sending you timely reminders. You can also quickly add missing dates to ensure your calendar is always up to date. Business Card Scanner: Stop typing and start scanning. Just point your camera at any business card, and our advanced technology will instantly extract names, phone numbers, and emails, saving them directly to your contact. Backup: Clean with zero anxiety. Create a full backup of your entire contact list in seconds. Delete Duplicate or Merge: Stop scrolling through three "John Smiths." Our intelligent algorithm scans your entire list for duplicate names, phone numbers, or emails. Export: your data as a VCF or CSV(Excel) file or save it to the cloud, ensuring you can restore every single number if you ever change your mind. Choose between the following subscription options for unlimited access to all features: - Annual Subscription - Month Subscription - Weekly - You may cancel your subscription at any time Your account will be automatically charged for renewal, based on the annual subscription plan, within 24 hours before the end of the 7 days free trial period. You can cancel auto-renewal at any time, given that the cancellation is at least 24 hours before the end of the current period. Privacy policy: https://ervi.dev/privacy-policy Terms of use: https://ervi.dev/terms-of-use

About

cSync

Streamline contact management with powerful search, comprehensive backup, and intelligent cleanup tools. Analyze contact data with visual charts and perform batch operations for efficiency.

Highlights
  • Full-field and Pinyin search
  • Multi-format contact backup (vCard, CSV, Excel)
  • Duplicate contact detection and merging
  • Contact data statistics and visual charts
  • Batch operations for contacts
  • iCloud sync for backups
Features
Read full description

**cSync - Making Contact Management Easier** Have you ever encountered these problems? - iOS native contacts don't support partial phone number matching - Too many contacts, difficult to find people - Contact data cannot be easily backed up and migrated - Too many duplicate contacts need cleanup - Want to analyze contact data statistics cSync is built to solve these problems! --- **Powerful Search Features** - **Full-field search**: Search not only names, but also phones, emails, companies, positions, notes, addresses, and all other fields - **Pinyin search**: Quickly find contacts by entering pinyin initials or full pinyin - **Phone partial matching**: Match any consecutive digits in phone numbers - no need to remember the complete number - **Smart sorting**: Search results intelligently ranked by relevance, most relevant results first - **Highlight display**: Search results automatically highlight matched fields and text for easy viewing **Search Examples:** - Enter "138" to find all phone numbers containing these three consecutive digits - Enter "js" to find all contacts whose name pinyin initials are JS (e.g., John Smith) - Enter "apple" to find contacts with apple in their company name or email --- **Comprehensive Backup Features** - **Multi-format support**: Export to vCard, CSV, and Excel formats - **One-tap backup**: Backup all contacts with one tap, ensuring data safety - **Backup management**: View all historical backups, restore to any version anytime - **Incremental backup**: Intelligently identify changes, only backup modified contacts - **iCloud sync**: Backups automatically uploaded to iCloud Drive, sync across devices - **Backup encryption**: Password protection support for data privacy security - **Quick sharing**: Share backup files via AirDrop, Email, Messages, and more **Backup Scenarios:** - Backup contacts before getting a new phone, import on new device - Regular backups to prevent data loss - Export to Excel for editing and management on computer - Share with family and friends for batch contact import --- **Smart Cleanup Features** - **Duplicate detection**: Intelligent algorithms detect duplicate and similar contacts - **Multiple matching modes**: - Exact match: Same name and phone number - Smart match: Similar names, same pinyin, overlapping phone numbers - **Compare preview**: Side-by-side comparison of duplicate contacts, clearly see differences - **Smart merge**: Automatically merge duplicate contacts, retaining all non-empty fields - **Batch cleanup**: Clean all duplicate contacts with one tap --- **Data Statistics & Analytics** - **Contact overview**: Total count, growth trends, distribution - **Field statistics**: Number of phones, emails, company info completeness - **Visual charts**: Pie charts, bar charts, line charts to display data - **Group analysis**: Analyze by initial letter, company, tags, and other dimensions --- **Other Featured Functions** - **Batch operations**: Batch delete, export, and edit - **Quick actions**: Tap phone to call directly, tap email to send mail - **Alphabetical index**: Side letter navigation for quick contact location - **Elegant interface**: Modern design, smooth animations, simple operation - **Privacy protection**: All data stored locally only, never uploaded to servers --- **Privacy Commitment** - All contact data is stored only on your local device - Never uploaded to any servers or third parties - iCloud backups are encrypted and protected by Apple - No personal information collected - Works completely offline, no network connection required --- Privacy Policy: https://csync.vercel.app/privacy-policy.html Terms of Use: https://csync.vercel.app/terms-of-use.html --- **Download cSync and make contact management easier!**

Screenshots

Contacts + Sync Google, Backup4 screens
cSync4 screens

Verdict

The call

The clearest difference is ads: cSync at none against Contacts + Sync Google, Backup's shown. On price, rating, ratings volume 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Contacts + Sync Google, Backup sells 3 in-app purchases, starting at $2.99 per 7 days and cSync sells 2 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Contacts + Sync Google, Backup against 5.0 for cSync. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Scorecard1 real difference · 8 level
Contacts + Sync Google, Backup versus cSync: the parameters behind the verdict, then further details
ParameterContacts + Sync Google, BackupcSync
PriceFreeFree
Rating5.0 (2 ratings)5.0 (1 ratings)
Number of ratings2 — better1
Update frequencyEvery 5 days—
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhoneiPhone, iPad — better
Requires iOS17.616.6 — better
Further details — not scored
Size34 MB2 MB
Age rating4+4+
DeveloperERVI FIRST LLC丹丹 李

Customer experience

Contacts + Sync Google, Backup

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

cSync

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Contacts + Sync Google, Backup

Subscriptions2
  • Weekly3 Days trial$2.997 Days
  • Monthly$69.991 Year
One-time1
  • Upgrade to PRO$5.99
2 purchases

cSync

Subscriptions2
  • Weekly Premium3 Days trial$6.997 Days
  • Yearly Premium$69.991 Year

Questions

Is Contacts + Sync Google, Backup free?
Contacts + Sync Google, Backup is free to download, with in-app purchases available.
Is cSync free?
cSync is free to download, with in-app purchases available.
Which has better reviews, Contacts + Sync Google, Backup or cSync?
Contacts + Sync Google, Backup and cSync are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do Contacts + Sync Google, Backup or cSync have ads?
Contacts + Sync Google, Backup shows ads; cSync does not.

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