Comparison

A2Z Groups vs SyncGene Sync Contact Calendar

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

Head to head
About

A2Z Groups

Manage your contacts and send messages or emails to groups efficiently. Organize contacts, create custom groups, and send personalized mass communications. Features include backups, birthday reminders, and contact sharing.

Highlights
  • Create and manage contact groups
  • Send mass texts and group emails
  • Backup and restore contacts
  • Birthday and anniversary notifications
  • Share and export contacts
  • Clone contacts and groups
Features
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A2Z is the complete contact manager! With A2Z, you can easily create, edit, and delete contacts & groups. Send mass texts and group emails. View recently created contacts. Share or print your contacts. Create backups. Get birthday notifications. And so much more: CONTACTS: • View all of your contacts organized by account or group • Easily find a contact with A2Z's powerful search tool • Select multiple contacts and perform a number of actions including text, email, share, and delete • Quickly perform a number of functions with one touch directly from the contact card GROUPS: • Create groups of contacts from any account including iCloud, Google, Exchange or Outlook • Filter contacts by one or more groups at the same time • Add & remove contacts from a particular group • Add & remove groups from a particular contact FAVORITES: • Create a list of favorites allowing you to quickly call/message/email those contacts GROUP EMAILS & MESSAGES: • Send messages to groups via iMessage, SMS, & WhatsApp • Send emails to groups via Mail App or Gmail App • Attach photos & documents, including from Dropbox • Assign the to/cc/bcc email field to each contact individually • Give your message a personal touch - Automatically refer to each contact by name COMPANIES, BIRTHDAYS, ANNIVERSARIES, MOST VIEWED, RECENTLY CREATED/MODIFIED/DELETED: • Sort your contacts by company name • View upcoming birthdays & anniversaries • View your most frequently viewed contacts • View recently created & modified contacts • View & restore your recently deleted contacts SHARE CONTACTS: • Share one or more contacts via text message, email, or various other services • Export contacts in the CSV or vCard format DELETE CONTACTS & GROUPS: • Quickly delete contacts & groups BACKUP: • Create a backup of any contact account • Restore your backup to any contact account CLONE CONTACTS & GROUPS: • Clone a contact from the contact card screen including all contact fields & groups • Clone a group so you don't have to add all of the group members manually START SCREEN: • Specify whether the app should load the contacts, groups, or favorites screen at startup SHORTCUTS: • Press & hold a contact or group to conveniently perform a number of common functions SYNC CONTACTS WITH GOOGLE: • Fully compatible with the "Contacts Sync" app WORKS WELL WITH OTHER CONTACT APPS: • Any contact changes you make with this app will be reflected in any other contact app that queries the iPhone address book (including the standard Contacts & Phone app) SUBSCRIPTIONS: • A2Z Contacts offers a "Premium" subscription which unlocks all of the premium features in the app, including unrestricted group emails and texts, unrestricted sharing of contacts, and access to future premium features. • The "Premium" subscription is priced at $0.99 USD and the subscription length is 1 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, at a cost of $0.99 USD • 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/en-us/articles/360003030954 • Privacy Policy: https://playaapps.zendesk.com/hc/articles/229824667

About

SyncGene Sync Contact Calendar

This service synchronizes calendars, contacts, and tasks across multiple devices and cloud services like iCloud, Google, and Microsoft. It automates data updates to prevent duplicates and ensure consistency across all connected platforms.

Highlights
  • Sync contacts, calendar events, and tasks
  • Sync across multiple devices and services
  • Automatic background synchronization
  • Map folders and groups for selective syncing
  • Choose one-way or two-way sync direction
  • Merge personal information for unified management
Features
Read full description

Free Cloud synchronization service to sync your Calendar, Contacts and Tasks with another iPhone, iPad, Mac, iCloud account, as well as Google and Microsoft devices and services. Sync Contacts, Calendar Events, and Tasks between your iPhone/iPad via iCloud with Google Gmail, Outlook 365, Outlook.com, Hotmail and Exchange. With SyncGene you can sync iCloud Calendar and Contacts with Google Calendar and Gmail Contacts. You can sync Calendar and Contacts using SyncGene app or online. Main features of SyncGene sync service: SYNC CONTACTS, CALENDAR, AND TASKS Sync Contacts, Calendar Events, and Tasks automatically across multiple devices, email accounts, Web Apps, and services. No more manual exporting, importing, double-entry, and data duplication. SYNC MULTIPLE SOURCES One tool to sync iCloud, Google Calendar, Gmail Contacts and Tasks, Outlook.com/Hotmail, Office 365 and Microsoft Exchange sources, and more coming soon. Any changes you make in your Contacts, Calendars and Tasks will appear on all your connected devices and services used. AUTO & CONSTANT SYNCHRONIZATION SyncGene stands out for its auto-sync, which is happening in the background. If you change anything in your data, SyncGene will automatically & constantly update all the sources and devices with the latest changes. MERGE PERSONAL INFORMATION. SAVE YOUR TIME One Calendar, one Address Book, and one To-do list for your hassle-free management. No more lost, duplicate or incomplete entries. MAPPING With SyncGene you can map folders and groups on the “What to sync” page. Use Folder Mapping to sync data between any chosen Folders or Groups. For example, you can sync your contacts from the “All People” group in Google Contacts with the “Contacts from Google” folder on Microsoft Exchange. SYNC DIRECTIONS You also can change sync direction - choose between one-way or two-way sync; & also free to busy sync; • You can change synchronization “Direction” when there are 2 sources configured. • To keep things simple, when adding 3rd and more sources it will inherit one-way/two-way settings from the first 2 sources automatically. • In case you have 3 or more sources and you still need to change sync directions' setup, please contact our support and they will help you. SyncGene PREMIUM Keep your digital life up to date across all devices and services. With SyncGene Premium you can: • Sync your data automatically • Sync an unlimited number of Contacts • Sync up to 5 different sources Compatible with: iPhone, iPad, Mac. Time saver: easy automation tool for busy people. SyncGene will sync your web apps, email accounts and devices automatically. No need to enter the same information on multiple devices or services. Synchronization is performed without you ever noticing, just set up SyncGene once and you can forget about it. Safe, secure and reliable: all your data is backed up to your Google Drive and can be easily restored. We never keep your synchronized information. SyncGene is hosted on Microsoft Azure – the most trusted cloud service. Every SyncGene service user has easy & fast access to our free 5 Star Live Chat and Email support. Terms of use - https://www.syncgene.com/terms-of-use

Screenshots

A2Z Groups4 screens
SyncGene Sync Contact Calendar4 screens

Verdict

The call

The clearest difference is review sentiment: A2Z Groups at 82% against SyncGene Sync Contact Calendar's 14%. A2Z Groups also leads on rating (4.6 vs 1.9) and ratings volume (3.9K vs 20). SyncGene Sync Contact Calendar's advantage is monetization model (free with in-app purchases vs subscription). On price, ads, in-app purchases 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. A2Z Groups sells 4 in-app purchases, starting at $0.99 per year and SyncGene Sync Contact Calendar sells 2 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

A2Z Groups holds the better App Store score, 4.6 against 1.9. That said, the two scores are not equally well evidenced: A2Z Groups has 3.9K ratings behind it against 20, so its average is the more settled of the two. Written reviews point the same way: 82% of A2Z Groups's written reviews are positive against 14% of SyncGene Sync Contact Calendar's.

UpkeepUpdate frequency

A2Z Groups ships an update every 3 weeks, SyncGene Sync Contact Calendar every 4 months. Both last shipped on October 17, 2026.

Scorecard5 real differences · 5 level
A2Z Groups versus SyncGene Sync Contact Calendar: the parameters behind the verdict, then further details
ParameterA2Z GroupsSyncGene Sync Contact Calendar
PriceFreeFree
Rating4.6 (3.9K ratings) — better1.9 (20 ratings)
Positive reviews81.9% of reviews — better13.9% of reviews
Number of ratings3.9K — better20
Update frequencyEvery 3 weeks — betterEvery 4 months
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.6 — better
Further details — not scored
Size17 MB3 MB
Age rating4+4+
DeveloperPlaya AppsCiraApps Limited

Customer experience

A2Z Groups

All ratings3,901 ratings
Positive91.4%
Neutral4.2%
Negative4.4%
Written reviews519 reviews
Positive81.9%
Neutral4.8%
Negative13.3%

SyncGene Sync Contact Calendar

All ratings20 ratings
Positive20.0%
Neutral5.0%
Negative75.0%
Written reviews36 reviews
Positive13.9%
Neutral2.8%
Negative83.3%

Bugs and requests

A2Z Groups

Reported bugs

4 issues
  • Contacts being deleted unexpectedly
  • Inability to save contact information
  • Syncing issues with Google/Outlook contacts
  • Unreliable group messaging

Requested features

5 requests
  • Scheduled messaging
  • Improved group management
  • Better integration with native Contacts app
  • Map feature
  • Birthdays/anniversaries tracking

SyncGene Sync Contact Calendar

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

A2Z Groups

Subscriptions1
  • Premium (1 Year)2 variants$0.991 Year
One-time3
  • Premium (Lifetime Access)$1.99
  • Make Contribution$4.99
  • Larger Contribution$9.99
2 purchases

SyncGene Sync Contact Calendar

Subscriptions2
  • SyncGene Premium Monthly$19.991 Month
  • SyncGene Premium Yearly$199.991 Year

Questions

Is A2Z Groups free?
A2Z Groups is free to download, with in-app purchases available.
Is SyncGene Sync Contact Calendar free?
SyncGene Sync Contact Calendar is free to download, with in-app purchases available.
Which has better reviews, A2Z Groups or SyncGene Sync Contact Calendar?
A2Z Groups is rated higher. A2Z Groups averages 4.6 out of 5 from 3.9K ratings, while SyncGene Sync Contact Calendar averages 1.9 from 20 ratings.
Do A2Z Groups or SyncGene Sync Contact Calendar have ads?
Neither A2Z Groups nor SyncGene Sync Contact Calendar shows ads.
Which is updated more often, A2Z Groups or SyncGene Sync Contact Calendar?
A2Z Groups ships an update every 3 weeks, and SyncGene Sync Contact Calendar every 4 months. Most recently, A2Z Groups was updated on October 17, 2026 and SyncGene Sync Contact Calendar on October 17, 2026.

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