Comparison

aContacts vs Dapple Authenticator

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

Head to head
About

aContacts

This app enhances your address book with powerful contact management tools. Organize contacts into groups, send mass emails and texts, and sync with Google. It also offers backup, restore, and duplicate merging features for a streamlined experience.

Highlights
  • Smart contact management
  • Group creation and management
  • Send group SMS & email
  • Google contacts sync
  • Contacts backup and restore
  • Merge duplicate contacts
  • T9 dialer with search
Features
Read full description

aContacts is smarter address book management tool with more powerful contacts, groups, favorites, sharing, calling and messaging capabilities, and it own an amazing dialpad! aContacts also collections a large number of contact management tools, including Google contacts sync, contacts backup and restore, clean up and merge duplicate contacts, home screen icons, etc., it makes contact management easier and easier. ##### SMART CONTACTS MANAGEMENT ##### * Create, edit and delete contacts * Import contacts from Gmail, vCard, Excel and QR Code * Avatar, company, title, phone number, email, address and personal home page supported in profile * One click to call, send messages/emails, display addresses on the map, and visit personal home page * Send group SMS & email quickly and easily * Search contacts by name, company, title, email * One click to share contacts (Text & vCard) * Create and scan contacts QR code * T9 dialer, type number for fast search * One click to dial, text and view contacts details using T9 dialer * Birthday and Anniversary Reminder ##### SMART GROUPS MANAGEMENT ##### * Create, edit and delete groups * Show unfiled contacts * Add & remove existing contacts from particular group * Add & remove groups from particular contact * Send emails to group with CC or BCC option ##### CONTACTS SYNC FOR GOOGLE ##### * Sync contacts between Google cloud and iPhone/iPod Touch/iPad. Merge or replace information according to configuration. * Identify and merge duplicate contacts automatically and intelligently after the sync. * Sync 2,000+ contacts accurately and completely within seconds using the latest technology. * Support sync of contacts groups. Google/iPhone contacts still in their original groups like Friends or Family after the sync. * Support sync of contacts avatar (can be switched off to save data). * Optimized for iPhone contacts and Google Contacts. Contacts information that can be merged includes: - Name - Phone number - Email - Instant message - Address - Blog - Social Relations - Organization - Anniversaries - Nickname * iPhone/iPod Touch/iPad running iOS5.0+ supported. * Minimalist and intuitive UI, quick start and default setting make your sync/backup extremely easy. Flexible options for advanced users also provided. ##### CONTACTS BACKUP & RESTORE ##### * Support One-Tap Backup and Advanced Backup mode * Bulk-backup contacts to CSV (Excel) or VCF (Apple Address Book) files. * Manual selection of contacts supported. * Bulk-import contacts (CSV & VCF) to iPhone address book. * Match and merge the imported contacts with the local contacts to avoid duplicates. * One-click to send backup files (CSV & VCF). * Share backup files (CSV & VCF) via iTunes. * Share backup files (CSV & VCF) via Web Server built-in app. ##### CONTACTS MERGE & CLEANUP ##### * Search duplicate contacts by contact’s name, phone numbers and emails. * Bulk-merge duplicate contacts. * Search contact that no name, no phones, duplicate phones, duplicate emails. * Bulk-merge contact’s duplicate informations, delete garbage items. ##### OTHER FEATURES ##### * Contacts birthday and anniversary reminders * Add & remove contacts from favorite and send email/message to favorite * Home screen contacts icons feature * Recently added contacts feature

About

Dapple Authenticator

This app is a FIDO-compliant passkey manager that uses unique biometric methods to generate and secure your passkeys. It ensures you never lose access to your accounts without storing sensitive biometric data or syncing to the cloud. Enjoy cross-platform compatibility and enterprise management options.

Highlights
  • FIDO-compliant passkey management
  • Patent-pending biometric passkey generation
  • No cloud sync for passkeys
  • Biometric data not stored
  • Cross-platform compatibility
  • Enterprise management features
Features
Read full description

Dapple Authenticator is a FIDO-compliant passkey manager with the following features: * Uses patent-pending biometric methods to generate passkeys, ensuring that you never lose your passkeys. * Does not store biometric information or sync passkeys into the cloud. * Cross-platform compatibility * Enterprise management features

Screenshots

aContacts4 screens
Dapple Authenticator3 screens

Verdict

The call

The clearest difference is rating: Dapple Authenticator at 5.0 against aContacts's 4.0. Dapple Authenticator also leads on in-app purchases (none vs 2). aContacts's advantage is ratings volume (45 vs 2). 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. aContacts sells 2 one-off in-app purchases. Dapple Authenticator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Dapple Authenticator holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: aContacts has 45 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

aContacts ships an update every 5 weeks, Dapple Authenticator monthly. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

Scorecard4 real differences · 6 level
aContacts versus Dapple Authenticator: the parameters behind the verdict, then further details
ParameteraContactsDapple Authenticator
PriceFreeFree
Rating4.0 (45 ratings)5.0 (2 ratings) — better
Positive reviews53.9% of reviews—
Number of ratings45 — better2
Update frequencyEvery 5 weeksMonthly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad — betteriPhone
Requires iOS17.0 — better18.0
Further details — not scored
Size31 MB81 MB
Age rating4+4+
Developer峥 俞Dapple Security Inc

Customer experience

aContacts

All ratings45 ratings
Positive68.9%
Neutral15.6%
Negative15.6%
Written reviews115 reviews
Positive53.9%
Neutral8.7%
Negative37.4%

Dapple Authenticator

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

aContacts

Reported bugs

14 issues
  • App crashes when moving contacts to groups
  • Contacts disappear after iOS updates
  • Duplicate contacts created (up to 203 times reported)
  • All phone numbers merged into single contact
  • Text messages freeze up
Show 9 more
  • Picture sync failures from Gmail
  • Groups feature disabled or non-functional
  • Contact information not appearing after edits
  • Crashes at certain locations in contact list
  • Repeated password prompts after in-app purchase
  • Backup feature not selecting contacts
  • Contacts stuck in group editing area with no exit
  • Contacts not appearing in groups after being added
  • Sorting issues with same last names

Requested features

8 requests
  • Option to disable automatic contact syncing
  • LinkedIn sync capability
  • Landscape mode support for iPad
  • Quick search by typing first letter
  • CC/BCC functionality for group messaging
Show 3 more
  • Group text messaging without showing all recipients
  • Better support for selecting multiple email addresses per contact
  • Improved app support and customer service

Dapple Authenticator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

aContacts

One-time2
  • Remove Ads$0.99
  • Unlimited Version$3.99
None

Dapple Authenticator

No in-app purchases

Questions

Is aContacts free?
aContacts is free to download, with in-app purchases available.
Is Dapple Authenticator free?
Dapple Authenticator is free to download, with no in-app purchases.
Which has better reviews, aContacts or Dapple Authenticator?
Dapple Authenticator is rated higher. aContacts averages 4.0 out of 5 from 45 ratings, while Dapple Authenticator averages 5.0 from 2 ratings.
Do aContacts or Dapple Authenticator have ads?
Neither aContacts nor Dapple Authenticator shows ads.
Which is updated more often, aContacts or Dapple Authenticator?
aContacts ships an update every 5 weeks, and Dapple Authenticator monthly. Most recently, aContacts was updated on October 16, 2026 and Dapple Authenticator on October 10, 2026.

Other comparisons