Comparison

Handy Contact Book vs Kortex Contacts

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

Head to head
About

Handy Contact Book

This free utility app helps you quickly convert all 11-digit Vietnamese mobile phone numbers in your contacts to 10-digit format. It's designed to assist users before the mandatory September 15th deadline.

Highlights
  • Convert 11-digit to 10-digit Vietnamese numbers
  • Batch phone number conversion
  • Free utility tool
  • Supports iPhone and iPod
Features
Read full description

All mobile phone number in Vietnamese that have 11-digits will force to 10-digits by 15th September this year. In order to help you quickly convert bunch of phone number in your phone contact, we created this app for FREE.

About

Kortex Contacts

Features
Read full description

Kortex Contacts is a privacy-first address book organizer that helps you clean, standardize, and protect your contacts. KEY FEATURES • Merge duplicate contacts into a single, complete entry. • Standardize phone numbers into consistent local or international formats. • Identify unwanted or low-quality email entries. • Scan business cards with on-device text recognition. • 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

Handy Contact Book3 screens
Kortex Contacts4 screens

Verdict

The call

The clearest difference is in-app purchases: Handy Contact Book at none against Kortex Contacts's 3. Handy Contact Book also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (9.0 vs 16.4). On price, 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. Kortex Contacts sells 3 in-app purchases, starting at $2.99 per month. Handy Contact Book asks for nothing beyond the download.

UpkeepUpdate frequency

Handy Contact Book ships an update fortnightly, Kortex Contacts every 2 months. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 6 level
Handy Contact Book versus Kortex Contacts: the parameters behind the verdict, then further details
ParameterHandy Contact BookKortex Contacts
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyFortnightly — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPod — betteriPhone
Requires iOS9.0 — better16.4
Further details — not scored
Size21 MB91 MB
Age rating4+4+
DeveloperKinh TranGary Mizrachi

In-app purchases

None

Handy Contact Book

No in-app purchases

3 purchases

Kortex Contacts

Subscriptions2
  • Kortex Pro Monthly$2.991 Month
  • Kortex Pro Yearly$17.991 Year
One-time1
  • Kortex Premium Lifetime$4.99

Questions

Is Handy Contact Book free?
Handy Contact Book is free to download, with no in-app purchases.
Is Kortex Contacts free?
Kortex Contacts is free to download, with in-app purchases available.
Do Handy Contact Book or Kortex Contacts have ads?
Neither Handy Contact Book nor Kortex Contacts shows ads.
Which is updated more often, Handy Contact Book or Kortex Contacts?
Handy Contact Book ships an update fortnightly, and Kortex Contacts every 2 months. Most recently, Handy Contact Book was updated on November 2, 2026 and Kortex Contacts on November 5, 2026.

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