Comparison

Contacts Sync vs Cleaner

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

Head to head
About

Contacts Sync

Effortlessly synchronize your contacts across Google, Outlook, and iPhone. This reliable app ensures your contact information is up-to-date everywhere with 2-way syncing and support for all contact fields and photos.

Highlights
  • 2-way contact synchronization
  • Sync Google, Outlook, and iPhone accounts
  • Syncs all contact fields and photos
  • Automatic background syncing
  • Group and custom label synchronization
  • Duplicate contact elimination
Features
Read full description

••• SYNC GOOGLE, ICLOUD, & OUTLOOK! ••• #1 SYNC APP FOR 15+ YEARS! ••• TRUSTED BY 10,000,000+ USERS! With Contacts Sync, you can quickly & easily sync your Google or Outlook contacts with iPhone, giving you access to your contacts wherever you go. This app distinguishes itself with its reliability, ease of use, speed, and with a true "2-way sync" that merges changes made to either account. This is the #1 app for syncing contacts both in terms of downloads & reviews. Also of significance, this app syncs your Google labels or Outlook categories with your iPhone lists. For instance, you may have organized your Google contacts into groups such as "friends," "family," and "coworkers." After a sync, your iPhone and Google groups will match. With your groups configured on iPhone, you can easily send group emails or group messages. SYNC THE FOLLOWING ACCOUNTS: • Sync Google with iPhone • Sync Outlook with iPhone • Sync 2 Google accounts SYNC ANY IPHONE ACCOUNT: • Choose to sync all of your iPhone contacts, or choose to sync contacts from a specific iPhone account, such as iCloud, a local iPhone address book, Outlook, or a CardDAV account SYNC TYPES: • Choose from one of the following sync types: 2-Way Sync, 1-Way Sync, and Manual Sync • Choose a 2-Way Sync to sync changes in both directions • Choose a 1-Way Sync to transfer changes in one direction only • Choose a Manual Sync to sync specific contacts only SYNCS ALL FIELDS: • Syncs all fields including names, phonetic names, nicknames, email addresses, phone numbers, postal addresses, company names, job titles, departments, birthdays, anniversaries, events, notes, web page addresses, relationships, instant messaging accounts, & social profiles • Syncs contact photos • Syncs custom labels & custom fields INITIAL SYNC: • During the initial sync, the contents of matching contacts will be merged CONFIRM CHANGES BEFORE SYNCING: • Review each change before the sync actually begins AUTOMATIC SYNC: • Automatically syncs contacts in the background 24/7 APPLY FILTERS INCLUDING GROUP FILTER: • Apply the group filter, new contact filter, and more! DUPLICATE CONTACTS: • Eliminate duplicate contacts from both iPhone and Google SUBSCRIPTIONS: • Contacts Sync offers a "Premium" subscription which unlocks all of the premium features in the app, including the ability to sync an unlimited number of contacts and to auto sync in the background. • Without an upgrade, the app will sync no more than 40 contacts • The "Premium" subscription is priced at $1.99 USD per week, $2.99 USD per month, or $9.99 USD per year • Payment will be charged to iTunes Account at confirmation of purchase • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period • Account will be charged for renewal within 24-hours prior to the end of the current period • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable • Terms of use: https://playaapps.zendesk.com/hc/articles/360004197333 • Privacy Policy: https://playaapps.zendesk.com/hc/articles/226767688

About

Cleaner

This app helps organize your phone's address book by merging duplicate contacts, removing incomplete entries, and backing up your data. It offers a quick and easy way to clean up your contacts and prevent data loss.

Highlights
  • Merge duplicate contacts
  • Find and remove duplicate contacts
  • Cleanup contacts with missing data
  • Backup contacts
  • Export contacts as VCF files
  • Cloud backup storage
Features
Read full description

Your address book is a mess? Cleaner will fix it in a few seconds: - Merge duplicate contacts and cleanup your phone book - Easily find and remove duplicate contacts - Backup contacts with a single tap Merge Duplicate Contacts: Having the same address book for many years, switching phones, importing contacts from other sources – can all cause the appearance of duplicate contacts. Cleaner will help you to find and merge these duplications, by allocating contacts with similar names or identical phone numbers and email addresses. Contacts Cleanup: Simple mistakes and lack of attention can cause the creation of “bad” contacts with missing data. Locate and get rid of these "worthless" contacts, with missing names or phone numbers, by simply removing them for good. Backup Contacts: Avoid the chance of losing your precious contacts by keeping them safely stored on a secured cloud. Keep backup files of your address book stored on-line or export VCF files via Email, Google Drive, WhatsApp, Telegram and many other services. SIMPLY MERGE DUPLICATE CONTACTS - Merge all duplicate contacts with one tap! - Find & merge contacts with similar names. - Find & Merge contacts with duplicate phone or email. ============================================= Below is subscription details: • Subscription Prices: - Monthly: $3.99 for a month - Quaterly: $9.99 for 3 months - Yearly: $45.99 for a year • Payment will be charged to iTunes Account at confirmation of purchase • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. You can turn of the auto-renew subscription from iPhone setting • Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. The app adds the great features above and are available through an auto-renewing subscription. Subscriptions will be charged to your credit card through your iTunes account. Your subscription will automatically renew unless cancelled at least 24 hours before the end of your current subscription, and you can cancel a subscription during the active period. You can manage your subscription at any time, either by viewing your account in iTunes from your Mac or PC, or Account Settings on your device after purchase. • Privacy Policy: https://vinsofts.com/privacy-policy/ • Terms of use: https://vinsofts.com/en/terms-of-use/

Screenshots

Contacts Sync4 screens
Cleaner4 screens

Verdict

The call

The clearest difference is ads: Contacts Sync at none against Cleaner's shown. Contacts Sync also leads on update cadence (every 5 days vs every 10 months) and ratings volume (15K vs 3). Cleaner's advantage is rating (5.0 vs 4.6) and review sentiment (100% vs 80%). 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. Contacts Sync sells 7 in-app purchases, starting at $1.99 per 7 days and Cleaner sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Cleaner holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Contacts Sync has 15K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 80% of Contacts Sync's written reviews are positive against 100% of Cleaner's.

UpkeepUpdate frequency

Contacts Sync ships an update every 5 days, Cleaner every 10 months. The most recent releases landed on November 12, 2026 and November 4, 2026 respectively.

Scorecard5 real differences · 5 level
Contacts Sync versus Cleaner: the parameters behind the verdict, then further details
ParameterContacts SyncCleaner
PriceFreeFree
Rating4.6 (15K ratings)5.0 (3 ratings) — better
Positive reviews80.0% of reviews100.0% of reviews — better
Number of ratings15K — better3
Update frequencyEvery 5 days — betterEvery 10 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad — betteriPhone
Requires iOS17.0 — better17.6
Further details — not scored
Size40 MB47 MB
Age rating4+4+
DeveloperPlaya AppsDO HONG CHIEN

Customer experience

Contacts Sync

All ratings14,944 ratings
Positive90.4%
Neutral3.2%
Negative6.5%
Written reviews2,096 reviews
Positive80.0%
Neutral2.7%
Negative17.3%

Cleaner

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews8 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Contacts Sync

Reported bugs

2 issues
  • Deleted contacts reappearing after sync
  • Sync corrupting or deleting existing contact data

Requested features

4 requests
  • Ability to merge duplicate contacts
  • Sync support for Outlook contacts
  • Automatic sync between multiple Google accounts
  • Undo/rollback option for sync operations

Cleaner

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

Contacts Sync

Subscriptions3
  • Premium (1 Week)$1.997 Days
  • Premium (1 Month)$2.991 Month
  • Premium (1 Year)$9.991 Year
One-time4
  • Automatic Contact SyncingFree
  • Make Contribution$4.99
  • Make Larger Contribution$9.99
Show 1 more
  • Premium (Lifetime Access)$11.99
3 purchases

Cleaner

Subscriptions3
  • Monthly$3.991 Month
  • Quaterly3 Days trial$9.993 Months
  • Yearly3 Days trial$29.991 Year

Questions

Is Contacts Sync free?
Contacts Sync is free to download, with in-app purchases available.
Is Cleaner free?
Cleaner is free to download, with in-app purchases available.
Which has better reviews, Contacts Sync or Cleaner?
Cleaner is rated higher. Contacts Sync averages 4.6 out of 5 from 15K ratings, while Cleaner averages 5.0 from 3 ratings.
Do Contacts Sync or Cleaner have ads?
Cleaner shows ads; Contacts Sync does not.
Which is updated more often, Contacts Sync or Cleaner?
Contacts Sync ships an update every 5 days, and Cleaner every 10 months. Most recently, Contacts Sync was updated on November 12, 2026 and Cleaner on November 4, 2026.

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