aContacts vs Instant Testing
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
Instant Testing
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Application to collect data, perform audits, and streamline business processes with offline mobile applications and capture real-time location, camera live photos, live video recording, and much more.
Screenshots
Verdict
The clearest difference is in-app purchases: Instant Testing at none against aContacts's 2. Instant Testing also leads on iOS requirement (14.0 vs 17.0). 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
Both are free to download. aContacts sells 2 one-off in-app purchases. Instant Testing asks for nothing beyond the download.
aContacts ships an update every 5 weeks, Instant Testing every 2 months. The most recent releases landed on October 16, 2026 and September 28, 2026 respectively.
| Parameter | aContacts | Instant Testing |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (45 ratings) — better | — |
| Positive reviews | 53.9% of reviews | — |
| Number of ratings | 45 — better | — |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 31 MB | 79 MB |
| Age rating | 4+ | 4+ |
| Developer | 峥 俞 | Clapptron Technologies Private Limited |
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
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- 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
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- Group text messaging without showing all recipients
- Better support for selecting multiple email addresses per contact
- Improved app support and customer service
Instant Testing
Not enough reviews yet to summarise bugs or requests.
In-app purchases
aContacts
- Remove Ads$0.99
- Unlimited Version$3.99
Instant Testing
No in-app purchases
Questions
Is aContacts free?
Is Instant Testing free?
Do aContacts or Instant Testing have ads?
Which is updated more often, aContacts or Instant Testing?
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