Useless Contacts vs Kortex Contacts
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Useless Contacts
This utility app helps you declutter your address book by identifying and removing contacts that are empty, incomplete, outdated, or lack essential personal information. It offers smart analysis and custom criteria for a personalized cleanup experience, all while prioritizing your privacy with on-device processing.
- Smart contact analysis
- Custom cleanup criteria
- Batch delete support
- Easy-to-use interface
- Privacy-focused on-device processing
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Clean up your contacts effortlessly with Useless Contacts. Our intelligent app helps you identify and remove: Empty contacts with no useful information Incomplete entries missing essential details Outdated contacts you no longer need Organization-only contacts without personal details Contacts with only social media links Key Features: Smart Contact Analysis Custom Cleanup Criteria Batch Delete Support Easy-to-Use Interface Privacy Focused - All Processing Done On-Device Take control of your contacts and keep your address book organized. Download now and discover how many unnecessary contacts you can safely remove!
Kortex Contacts
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Kortex Contacts is a privacy-first address book organizer that helps you clean, standardize, and protect your contacts. KEY FEATURES โข Merge duplicate contacts into a single, complete entry. โข Standardize phone numbers into consistent local or international formats. โข Identify unwanted or low-quality email entries. โข Scan business cards with on-device text recognition. โข Create local backups before making changes. Core cleanup, OCR, backups, and device contact reads and writes are performed locally after you grant Contacts permission. OPTIONAL PRO CRM SYNC If you choose to connect HubSpot, Kortex Contacts can standardize records from your authorized HubSpot workspace. Before each CRM update, the app identifies the selected fields, destination, and purpose and asks for your confirmation. Cancel sends nothing. CRM Sync does not upload your iOS address book. Kortex Contacts does not sell contact data or use contact records for advertising.
Screenshots
Verdict
The clearest difference is in-app purchases: Useless Contacts at none against Kortex Contacts's 3. Useless Contacts also leads on update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Kortex Contacts sells 3 in-app purchases, starting at $2.99 per month. Useless Contacts asks for nothing beyond the download.
Useless Contacts ships an update every 3 weeks, Kortex Contacts every 2 months. The most recent releases landed on October 1, 2026 and September 18, 2026 respectively.
| Parameter | Useless Contacts | Kortex Contacts |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks โ better | Every 2 months |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Monetization | Free | โ |
| Devices | iPhone, iPad โ better | iPhone |
| Requires iOS | 16.6 | 16.4 โ better |
| Further details โ not scored | ||
| Size | 8 MB | 91 MB |
| Age rating | 17+ | 4+ |
| Developer | Aleksandr Kuznetsov | Gary Mizrachi |
In-app purchases
Useless Contacts
No in-app purchases
Kortex Contacts
- Kortex Pro Monthly$2.991 Month
- Kortex Pro Yearly$17.991 Year
- Kortex Premium Lifetime$4.99





