Comparison

A2Z Groups vs Easy Caller ID

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

Easy Caller ID

Identify unknown callers and block spam calls with real-time information displayed on your native call screen. Instantly look up any phone number to find caller details and enrich your address book. Your privacy is protected, and all features are completely free.

Highlights
  • Instant caller identification
  • Real-time call screen display
  • Powerful spam call blocking
  • System-level spam filtering
  • Smart phone number lookup
  • Contact enrichment
  • Privacy-focused design
Features
Read full description

Identify unknown callers, block spam calls, and search any phone number for free. Easy Caller ID helps you see who’s calling, stop robocalls, and look up unknown numbers instantly - all without subscriptions or hidden fees. Instant Caller ID Know who is calling before you answer. Easy Caller ID shows caller information directly on your iPhone’s native call screen so you can identify unknown callers in real time. Look up any phone number and discover details like: • Caller name • Job title • Company information • Spam status Powerful Spam Blocker Stop unwanted calls before they reach you. Our system-level spam blocker automatically blocks: • Robocalls • Telemarketers • Scammers • Fraud calls Your phone stays quiet while spam calls are filtered in the background. You can also block any number with one tap and build your own personal block list. Smart Phone Number Lookup Missed a call from an unknown number? Use the instant number lookup to identify who called you. Search both local and international phone numbers and see detailed caller information within seconds. Contact Enrichment Keep your address book accurate and complete. Easy Caller ID can automatically update your contacts with: • Names • Organization names • Job titles Your contacts stay clean, enriched, and up to date without manual editing. Privacy First Your privacy matters. Unlike many caller ID apps, Easy Caller ID does not make your phone number publicly searchable. Your personal information stays private and under your control. 100% Free Caller ID & Spam Blocking Most caller ID apps charge monthly subscriptions for basic features like spam blocking and unlimited phone number searches. With Easy Caller ID, everything is free: • Caller ID • Spam blocking • Phone number lookup • Contact enrichment No subscriptions. No premium tiers. No paywalls. Just a free caller ID and spam blocker that works.

Screenshots

A2Z Groups4 screens
Easy Caller ID4 screens

Verdict

The call

The clearest difference is in-app purchases: Easy Caller ID at none against A2Z Groups's 5. A2Z Groups's advantage is rating (4.6 vs 4.3) and update cadence (every 3 weeks vs every 2 months). On price, ratings volume, 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. Easy Caller ID asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

A2Z Groups holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 3.9K and 2.7K respectively. Written reviews point the same way: 82% of A2Z Groups's written reviews are positive against 69% of Easy Caller ID's.

UpkeepUpdate frequency

A2Z Groups ships an update every 3 weeks, Easy Caller ID every 2 months. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

Scorecard6 real differences · 4 level
A2Z Groups versus Easy Caller ID: the parameters behind the verdict, then further details
ParameterA2Z GroupsEasy Caller ID
PriceFreeFree
Rating4.6 (3.9K ratings) — better4.3 (2.7K ratings)
Positive reviews81.9% of reviews — better69.4% of reviews
Number of ratings3.9K — better2.7K
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better26.0
Further details — not scored
Size17 MB125 MB
Age rating4+12+
DeveloperPlaya AppsLSM Apps

Customer experience

A2Z Groups

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

Easy Caller ID

All ratings2,716 ratings
Positive84.6%
Neutral3.2%
Negative12.2%
Written reviews1,227 reviews
Positive69.4%
Neutral3.8%
Negative26.8%

User reviews

A2Z Groups

From 3.9K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Efficient group messaging
  • 💡 Helpful for organizing contacts
  • 🔒 Reliable privacy policy
  • 👍 Customizable groups

Room to improve

  • 🐛 Occasional bugs and crashes
  • 🐛 Issues with message delivery
  • 🐛 Syncing problems after updates
  • 🐛 Duplicate contacts
  • 🐛 Disappearing notes/data

Easy Caller ID

From 2.7K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Simple and efficient
  • 💡 Helpful for managing groups
  • 👍 Intuitive contact management
  • 👍 Useful for cleaning up contacts

Room to improve

  • 🐛 Crashes and freezes
  • 🐛 Unreliable sync and backup
  • 💰 Expensive subscription model
  • 🐛 Buggy updates and loss of functionality
  • 🐛 Unresponsive customer support

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

Easy Caller ID

Reported bugs

4 issues
  • Contacts disappearing after updates
  • Inability to restore paid subscription features
  • Repeated prompts to update even on latest version
  • Sync issues causing duplicate and missing contacts

Requested features

5 requests
  • Ability to sort contacts by first name
  • Integration with more social networks for contact photos
  • More customization options for contact groups
  • Improved search and filtering capabilities
  • Easier way to move contacts between accounts

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

Easy Caller ID

No in-app purchases

Questions

Is A2Z Groups free?
A2Z Groups is free to download, with in-app purchases available.
Is Easy Caller ID free?
Easy Caller ID is free to download, with no in-app purchases.
Which has better reviews, A2Z Groups or Easy Caller ID?
A2Z Groups is rated higher. A2Z Groups averages 4.6 out of 5 from 3.9K ratings, while Easy Caller ID averages 4.3 from 2.7K ratings.
Do A2Z Groups or Easy Caller ID have ads?
Neither A2Z Groups nor Easy Caller ID shows ads.
Which is updated more often, A2Z Groups or Easy Caller ID?
A2Z Groups ships an update every 3 weeks, and Easy Caller ID every 2 months. Most recently, A2Z Groups was updated on September 22, 2026 and Easy Caller ID on September 23, 2026.

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