Comparison

A2Z Groups vs 1Address

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
Read full description

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

1Address

Easily share and automatically update mailing addresses with friends and family. Control your own address information and receive automatic updates when others change theirs. Open shared addresses in maps or export lists for mailings.

Highlights
  • Automatic address updates
  • User-controlled sharing
  • Map integration for addresses
  • Export address lists
  • Simplified contact management
Features
Read full description

1Address ensures you always have the latest mailing address for your friends and family. You control who you share your address with. They control who they share their mailing address with. Anytime a friend or family member updates their mailing address, 1Address will automatically update your copy ensuring you never have to search for the “correct” mailing address again. Tap on any address shared with you to open in maps as well. You can even export an address list for creating holiday cards. Unlike traditional contacts, 1Address is not something you maintain. You are only responsible for your address. Using 1Address makes it easy to send greeting cards, send out wedding invitations, and send packages with confidence.

Screenshots

A2Z Groups4 screens
1Address2 screens

Verdict

The call

The clearest difference is in-app purchases: 1Address at none against A2Z Groups's 5. 1Address also leads on rating (5.0 vs 4.6). A2Z Groups's advantage is ratings volume (3.9K vs 1). On price, update cadence, 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. A2Z Groups sells 4 in-app purchases, starting at $0.99 per year. 1Address asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

1Address holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: A2Z Groups has 3.9K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

A2Z Groups ships an update every 3 weeks, 1Address monthly. The most recent releases landed on September 24, 2026 and September 20, 2026 respectively.

Scorecard4 real differences · 6 level
A2Z Groups versus 1Address: the parameters behind the verdict, then further details
ParameterA2Z Groups1Address
PriceFreeFree
Rating4.6 (3.9K ratings)5.0 (1 ratings) — better
Positive reviews81.9% of reviews—
Number of ratings3.9K — better1
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPhone, iPad — betteriPhone
Requires iOS16.0 — better17.6
Further details — not scored
Size17 MB3 MB
Age rating4+4+
DeveloperPlaya AppsJonathan Judelson

Customer experience

A2Z Groups

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

1Address

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

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

1Address

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
None

1Address

No in-app purchases

Questions

Is A2Z Groups free?
A2Z Groups is free to download, with in-app purchases available.
Is 1Address free?
1Address is free to download, with no in-app purchases.
Which has better reviews, A2Z Groups or 1Address?
1Address is rated higher. A2Z Groups averages 4.6 out of 5 from 3.9K ratings, while 1Address averages 5.0 from 1 ratings.
Do A2Z Groups or 1Address have ads?
Neither A2Z Groups nor 1Address shows ads.
Which is updated more often, A2Z Groups or 1Address?
A2Z Groups ships an update every 3 weeks, and 1Address monthly. Most recently, A2Z Groups was updated on September 24, 2026 and 1Address on September 20, 2026.

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