Comparison

Contacts Sync vs Image Convert 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

Image Convert App

Features
Read full description

Image Compressor and Converter Compress, resize, edit, and convert your photos with one simple and powerful image utility app. Image Compressor and Converter is a free and easy-to-use photo tool designed to help you reduce image file sizes, resize photos, convert image formats, and perform common image editing tasks. COMPRESS PHOTOS Reduce the file size of your photos while keeping excellent image quality. Choose your preferred compression quality and create smaller images that are easier to store, share, and upload. RESIZE PHOTOS Change the width and height of your images to the exact dimensions you need. Maintain the original aspect ratio or set custom dimensions for your photos. CONVERT IMAGES Convert your images between popular formats. Support for formats such as JPG, PNG, WEBP, HEIC, and PDF makes it easy to prepare images for different uses. EDIT PHOTOS Make quick adjustments to your photos before saving them. Crop, rotate, adjust brightness, apply filters, and make other basic image improvements. BATCH PROCESSING Process multiple photos efficiently instead of working with each image one at a time. Select multiple images and apply supported operations to save time. FREE TO USE The core image compression, resizing, conversion, and editing tools are available for free. FAST AND SIMPLE The clean interface makes image processing easy. Select your photo, choose the tool you need, adjust your settings, and save the result. WORKS OFFLINE Core image processing is designed to work without requiring an internet connection. You can manage and process your photos directly on your device. PRIVATE AND SECURE Your photos are processed locally on your device whenever supported. Your personal images do not need to be uploaded to a server for normal image processing. SAVE STORAGE SPACE Large photos can take up significant storage space. Compress your images to create smaller files and make better use of your device storage. USEFUL FOR EVERYDAY TASKS Use Image Compressor and Converter when you need to: Reduce photo file size Resize images Convert JPG images Convert PNG images Convert WEBP images Convert HEIC images Create PDF files from images Prepare photos for uploads Optimize photos for websites Prepare images for social media Share smaller image files Process multiple photos Image Compressor and Converter brings essential photo tools together in one convenient app. Compress. Resize. Edit. Convert. All in one free image utility app.

Screenshots

Contacts Sync4 screens
Image Convert App3 screens

Verdict

The call

The clearest difference is in-app purchases: Image Convert App at none against Contacts Sync's 7. Image Convert App also leads on iOS requirement (15.6 vs 17.0). Contacts Sync's advantage is update cadence (every 5 days vs every 3 weeks). 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. Image Convert App asks for nothing beyond the download.

UpkeepUpdate frequency

Contacts Sync ships an update every 5 days, Image Convert App every 3 weeks. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Contacts Sync versus Image Convert App: the parameters behind the verdict, then further details
ParameterContacts SyncImage Convert App
PriceFreeFree
Rating4.6 (15K ratings) — better—
Positive reviews80.0% of reviews—
Number of ratings15K — better—
Update frequencyEvery 5 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.6 — better
Further details — not scored
Size40 MB30 MB
Age rating4+4+
DeveloperPlaya AppsDasun Doloswala

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

Image Convert 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

Image Convert App

No in-app purchases

Questions

Is Contacts Sync free?
Contacts Sync is free to download, with in-app purchases available.
Is Image Convert App free?
Image Convert App is free to download, with no in-app purchases.
Do Contacts Sync or Image Convert App have ads?
Neither Contacts Sync nor Image Convert App shows ads.
Which is updated more often, Contacts Sync or Image Convert App?
Contacts Sync ships an update every 5 days, and Image Convert App every 3 weeks. Most recently, Contacts Sync was updated on November 9, 2026 and Image Convert App on October 31, 2026.

Other comparisons