Private Contacts 360 vs NDAKey
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Private Contacts 360
Securely manage and hide your personal contacts and calls. Separate work and personal life, filter spam, and protect sensitive information with password or biometric locks. Back up your private data for peace of mind.
- Private contact management
- App lock with password/biometrics
- Encrypt contact data
- Filter spam and unknown calls
- Backup and restore contacts
- Separate personal and work contacts
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Manage and hide your private contacts, secure your calls – with Private Contacts you will separate personal & work and avoid spam. Are you tired of your personal phone number being exposed, your work and personal contacts mixed up, or getting spam calls from unknown numbers? With Private Contacts – Hide & Secure Your Phonebook, you will regain control of your contacts, hide your outgoing/incoming calls and protect important information in just seconds. Private Contacts is an outstanding contact management application, helping you to anonymize your contacts & call numbers, secure your private contacts, and clearly group personal / work. Different from normal contacts, it puts privacy and separation first. Outstanding features (Desire): - Easy private contact management: create separate contact groups for personal, work, customers and hide them from the main list. - High security: lock the app with a password or fingerprint/Face ID, encrypt contact data. - Anti-spam & unknown numbers: automatically filter and hide unknown calls/numbers, only show allowed numbers. - Backup and restore: protect your private contacts, ensure no data loss when changing phones. - Friendly interface, quick operation: just a few clicks to hide or group contacts. Thousands of users have trusted Private Contacts to protect private contacts and hide callers - with quality reviews affirming "very easy to use", "preserve privacy", "eliminate unknown number spam". Download Private Contacts now and start creating a private area for your contacts - hide numbers, secure contacts, group today to regain control of your information. With Private Contacts, you can “hide contacts”, “hide phone number”, “secure contacts”, “manage private contacts list”, “block spam calls and hide number”, “private contacts vault app” – all in one app. Let Private Contacts become your professional private contacts app right now. Our commitment: – No annoying ads in the app. – Contact data is not sold or used outside. – Continuously updated for more security and efficiency.
NDAKey
Manage your digital identity securely. Store verified credentials on your device and choose exactly what information to share with others. Protect your data with end-to-end encryption and passwordless sign-in.
- Selective information sharing
- End-to-end encrypted data transmission
- Store digital credentials on device
- Passwordless sign-in with passkeys
- Receive and manage credentials
- Direct sharing via QR code
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NDAKey is a self-sovereign data management app that allows users to store digital credentials on their phones and selectively choose which information to share. Digital credentials contain user information that has been verified and digitally signed by an issuer, such as subscriber information verified by a telecommunications provider. Each credential is issued once and can be reused multiple times during its validity period at organizations connected to NDAKey. KEY FEATURES 1. Selective Sharing - Select individual information fields to share, such as full name and place of birth, without including permanent residence. - Review the data recipient's name, purpose of use, and requested information before giving consent. - Confirm each sharing request using Face ID or Touch ID. 2. Data Protection - End-to-end encryption during data transmission, ensuring that only the recipient can decrypt the data. - Digital credentials are stored on the user's device. - Passwordless sign-in using passkeys. 3. Receive and Manage Digital Credentials - Open your wallet using a chip-enabled national ID card and facial verification. - Request credentials from issuers connected to NDAKey. - Track the validity of each credential, including expired or revoked status. 4. Direct Sharing via QR Code - Scan a QR code to receive a request for information sharing. - Generate a QR code to share digital credentials or request credentials from another person in person. 5. Account Management - View the history of credential sharing, receiving, and issuance. - Manage passkeys and signed-in devices. - Delete your account directly within the app. Note: Digital credentials in NDAKey provide supplementary information and do not replace documents issued by competent government authorities. Acceptance of digital credentials depends on each data recipient.
Screenshots
Verdict
The clearest difference is review sentiment: NDAKey at 100% against Private Contacts 360's 0%. NDAKey also leads on update cadence (monthly vs every 31 months). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
Private Contacts 360 ships an update every 31 months, NDAKey monthly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | Private Contacts 360 | NDAKey |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 — better | — |
| Update frequency | Every 31 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 59 MB | 116 MB |
| Age rating | 17+ | 17+ |
| Developer | Ngoc Thanh Pham | PILA GROUP JOINT STOCK COMPANY |
Customer experience
Private Contacts 360
NDAKey
In-app purchases
Private Contacts 360
No in-app purchases
NDAKey
No in-app purchases
Questions
Is Private Contacts 360 free?
Is NDAKey free?
Do Private Contacts 360 or NDAKey have ads?
Which is updated more often, Private Contacts 360 or NDAKey?
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