Comparison

Contacts Sync vs Ringer Interactive App

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

Ringer Interactive App

Enhance your phone's caller ID with custom graphics and text to easily identify incoming calls. This app helps distinguish legitimate calls from spam, reducing the need to ignore unknown numbers or send them to voicemail.

Highlights
  • Branded caller ID graphics
  • Customizable caller ID text
  • Identify unknown numbers
  • Distinguish spam calls
  • Personalized call messages
Read full description

Ringer introduces Branded Caller ID® telephony software to help you identify who is calling! Ringer Branded Caller ID® allows your device to display caller ID graphics and text directly from who is calling you. Ringer transforms the phone screen into a personalized, actionable message that makes it easy to identify the caller and the reason for the call. Eight-in-ten Americans don’t answer calls from unknown numbers, probably because there were more than 50.5 billion robocalls made in 2021 alone! Ringer Branded Caller ID® helps identify who is calling you to help you sort out real calls from spam. Ringer transforms your device’s phone screen into a personalized, actionable message you won’t need to ignore or send to voicemail. Download Ringer to start identifying calls today.

Screenshots

Contacts Sync4 screens
Ringer Interactive App4 screens

Verdict

The call

The clearest difference is in-app purchases: Ringer Interactive App at none against Contacts Sync's 7. Ringer Interactive App also leads on rating (5.0 vs 4.6) and iOS requirement (14.0 vs 17.0). Contacts Sync's advantage is update cadence (every 5 days vs every 7 months) and ratings volume (15K vs 1). On price, ads 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. Ringer Interactive App asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Ringer Interactive App 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 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Contacts Sync ships an update every 5 days, Ringer Interactive App every 7 months. The most recent releases landed on September 24, 2026 and June 12, 2026 respectively.

Scorecard6 real differences · 4 level
Contacts Sync versus Ringer Interactive App: the parameters behind the verdict, then further details
ParameterContacts SyncRinger Interactive App
PriceFreeFree
Rating4.6 (15K ratings)5.0 (1 ratings) — better
Positive reviews78.2% of reviews—
Number of ratings15K — better1
Update frequencyEvery 5 days — betterEvery 7 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.014.0 — better
Further details — not scored
Size43 MB10 MB
Age rating4+4+
DeveloperPlaya AppsFlash App LLC

Customer experience

Contacts Sync

All ratings14,870 ratings
Positive90.4%
Neutral3.2%
Negative6.4%
Written reviews739 reviews
Positive78.2%
Neutral2.3%
Negative19.5%

Ringer Interactive App

All ratings1 ratings
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

Ringer Interactive App

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
None

Ringer Interactive App

No in-app purchases

Questions

Is Contacts Sync free?
Contacts Sync is free to download, with in-app purchases available.
Is Ringer Interactive App free?
Ringer Interactive App is free to download, with no in-app purchases.
Which has better reviews, Contacts Sync or Ringer Interactive App?
Ringer Interactive App is rated higher. Contacts Sync averages 4.6 out of 5 from 15K ratings, while Ringer Interactive App averages 5.0 from 1 ratings.
Do Contacts Sync or Ringer Interactive App have ads?
Neither Contacts Sync nor Ringer Interactive App shows ads.
Which is updated more often, Contacts Sync or Ringer Interactive App?
Contacts Sync ships an update every 5 days, and Ringer Interactive App every 7 months. Most recently, Contacts Sync was updated on September 24, 2026 and Ringer Interactive App on June 12, 2026.

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