vpn-matrix.com earns nothing from this entry. The link to the provider website is a source, not a recommendation.
Who owns this
Parent company
Calyx Institute
Brands in the same group
- Calyx VPN this entry
Further brands according to the source: none
This group also owns review and comparison sites
no
If the same group tests its own service, that review is not independent. That is noted here as ownership only.
Audits and incidents
Sourced facts with dates only, no judgements. Ongoing proceedings are marked as such.
Tested in court or by authorities
trust.court_tested
- About Calyx InstituteVendor documentretrieved 08/04/2026
Security incidents and data leaks
trust.breach_history
- Calyx Privacy Policy July 2025 Vultr noteVendor documentretrieved 08/04/2026
No-logs audit details
trust.nolog_audit_details
- Calyx Privacy PolicyVendor documentretrieved 08/04/2026
App and client audits
trust.app_audits
- Calyx PrivacyVendor documentretrieved 08/04/2026
Infrastructure and server audits
trust.infra_audit
- Calyx PrivacyVendor documentretrieved 08/04/2026
Transparency report
trust.transparency_report
- Calyx InstituteVendor documentretrieved 08/04/2026
Warrant canary
trust.warrant_canary
- Calyx InstituteVendor documentretrieved 08/04/2026
Acquisition history / former name
company.acquisition_history
- Calyx Institute nonprofitVendor documentretrieved 08/04/2026
Documented misleading advertising claims
company.misleading_claims
- Calyx Institute valuesVendor documentretrieved 08/04/2026
User base migrated to
company.user_base_migrated_to
- Calyx InstituteVendor documentretrieved 08/04/2026
All criteria
Empty cells mean we lack the source.
Company and ownership
20/21 sourcedLegal company name
company.legal_name
- Calyx InstituteVendor documentretrieved 08/04/2026
Trademark holder, if different
company.brand_owner
- Calyx InstituteVendor documentretrieved 08/04/2026
Year founded
company.founded
- About Calyx InstituteVendor documentretrieved 08/04/2026
Headquarters (country)
company.hq_country
- Calyx InstituteVendor documentretrieved 08/04/2026
Other relevant jurisdictions
company.jurisdictions
- About Calyx InstituteVendor documentretrieved 08/04/2026
Intelligence alliance of the home country
company.eyes_alliance
- Wikipedia: Five EyesOtherretrieved 08/04/2026
Parent group / holding
company.parent
- About Calyx InstituteVendor documentretrieved 08/04/2026
Beneficial owners publicly known
company.ubo_public
- About Calyx InstituteVendor documentretrieved 08/04/2026
Ownership structure
company.ownership_type
- Calyx InstituteVendor documentretrieved 08/04/2026
Leadership team publicly named
company.team_public
- Calyx InstituteVendor documentretrieved 08/04/2026
Verifiable postal address for legal service
company.address_verifiable
- About Calyx InstituteVendor documentretrieved 08/04/2026
Sister VPN brands in the group
company.sister_vpn_brands
- About Calyx InstituteVendor documentretrieved 08/04/2026
Group owns VPN review and comparison sites
company.owns_review_sites
- About Calyx InstituteVendor documentretrieved 08/04/2026
Runs an affiliate programme
company.affiliate_program
- Calyx InstituteVendor documentretrieved 08/04/2026
Typical commission rate
company.affiliate_commission
- Calyx Institute nonprofit modelVendor documentretrieved 08/04/2026
YouTube and influencer sponsoring
company.influencer_sponsoring
- Calyx InstituteVendor documentretrieved 08/04/2026
Documented misleading advertising claims
company.misleading_claims
- Calyx Institute valuesVendor documentretrieved 08/04/2026
Acquisition history / former name
company.acquisition_history
- Calyx Institute nonprofitVendor documentretrieved 08/04/2026
Operating status
company.status
- Calyx InstituteVendor documentretrieved 08/04/2026
Discontinuation date
company.discontinued_date
We have no source for this criterion.
User base migrated to
company.user_base_migrated_to
- Calyx InstituteVendor documentretrieved 08/04/2026
Logging and data collection
16/16 sourcedCore statement of the logging policy
logging.policy_summary
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Activity and traffic logs
logging.activity_logs
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Connection logs
logging.connection_logs
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Storage of the real IP address
logging.source_ip_stored
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Storage of the assigned VPN IP
logging.assigned_ip_stored
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Precision of stored timestamps
logging.timestamps_stored
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Recording of transferred data volume
logging.bandwidth_logged
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Enforcement of the device limit
logging.concurrent_conn_enforcement
- Calyx Privacy Policy membershipVendor documentretrieved 08/04/2026
Minimum account data required
logging.account_data_minimum
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Telemetry in the apps
logging.app_telemetry
- Calyx Privacy — no third-party cookies, minimal session cookiesVendor documentretrieved 08/04/2026
Trackers and SDKs in the Android app
logging.thirdparty_sdks_android
- Calyx Privacy — limits third-party resourcesVendor documentretrieved 08/04/2026
Trackers in the iOS app
logging.thirdparty_sdks_ios
- Calyx PrivacyVendor documentretrieved 08/04/2026
Trackers and cookies on the website
logging.website_trackers
- Calyx Privacy Policy cookiesVendor documentretrieved 08/04/2026
Retention periods stated in the policy
logging.retention_period
- Calyx Privacy Policy retentionVendor documentretrieved 08/04/2026
EU representative named under GDPR
logging.gdpr_representative
- About Calyx InstituteVendor documentretrieved 08/04/2026
Evidence, audits and track record
17/17 sourcedIndependent no-logs audit
trust.nolog_audit
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
No-logs audit details
trust.nolog_audit_details
- Calyx Privacy PolicyVendor documentretrieved 08/04/2026
Audit report published
trust.audit_report_public
- Calyx InstituteVendor documentretrieved 08/04/2026
App and client audits
trust.app_audits
- Calyx PrivacyVendor documentretrieved 08/04/2026
Infrastructure and server audits
trust.infra_audit
- Calyx PrivacyVendor documentretrieved 08/04/2026
Audit frequency
trust.audit_cadence
- Calyx PrivacyVendor documentretrieved 08/04/2026
Tested in court or by authorities
trust.court_tested
- About Calyx InstituteVendor documentretrieved 08/04/2026
Transparency report
trust.transparency_report
- Calyx InstituteVendor documentretrieved 08/04/2026
Warrant canary
trust.warrant_canary
- Calyx InstituteVendor documentretrieved 08/04/2026
Security incidents and data leaks
trust.breach_history
- Calyx Privacy Policy July 2025 Vultr noteVendor documentretrieved 08/04/2026
Bug bounty programme
trust.bug_bounty
- About Calyx InstituteVendor documentretrieved 08/04/2026
Handling of reported vulnerabilities
trust.cve_handling
- Calyx PrivacyVendor documentretrieved 08/04/2026
Open source clients
trust.opensource_clients
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Open source server side
trust.opensource_server
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Reproducible builds
trust.reproducible_builds
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Available on F-Droid
trust.fdroid_available
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Listings by independent bodies
trust.independent_recommendations
- Calyx InstituteVendor documentretrieved 08/04/2026
Protocols and cryptography
14/17 sourcedWireGuard
crypto.wireguard
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
OpenVPN over UDP
crypto.openvpn_udp
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
OpenVPN over TCP
crypto.openvpn_tcp
- Calyx Institute VPN serviceVendor documentretrieved 08/04/2026
IKEv2/IPsec
crypto.ikev2
- Calyx InstituteVendor documentretrieved 08/04/2026
Proprietary protocol
crypto.proprietary_protocol
- Calyx Institute open standardsVendor documentretrieved 08/04/2026
Legacy protocols still offered
crypto.legacy_protocols
- Calyx InstituteVendor documentretrieved 08/04/2026
Default data cipher
crypto.data_cipher_default
- Calyx InstituteVendor documentretrieved 08/04/2026
Weakest accepted cipher
crypto.data_cipher_weakest
- Calyx InstituteVendor documentretrieved 08/04/2026
Key exchange and authentication
crypto.handshake
- Calyx InstituteVendor documentretrieved 08/04/2026
Perfect forward secrecy
crypto.pfs
- Calyx InstituteVendor documentretrieved 08/04/2026
Post-quantum key exchange
crypto.post_quantum
- Calyx InstituteVendor documentretrieved 08/04/2026
Own DNS resolvers
crypto.own_dns
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
DNS leak protection
crypto.dns_leak_protection
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
IPv6 handling
crypto.ipv6_handling
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
WebRTC protection or guidance
crypto.webrtc_guidance
We have no source for this criterion.
Obfuscation methods
crypto.obfuscation
We have no source for this criterion.
Usability behind the Great Firewall
crypto.works_in_china
We have no source for this criterion.
Features
15/20 sourcedKill switch
features.killswitch
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Permanent lockdown
features.killswitch_permanent
- Calyx InstituteVendor documentretrieved 08/04/2026
Split tunneling
features.split_tunneling
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Multihop
features.multihop
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Tor integration (Onion over VPN)
features.tor_integration
- Calyx offers Tor hidden services for websiteVendor documentretrieved 08/04/2026
Port forwarding
features.port_forwarding
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Surcharge for a dedicated IP
features.dedicated_ip
- Calyx Institute — no dedicated IP productVendor documentretrieved 08/04/2026
SOCKS5 proxy
features.socks5
- Calyx InstituteVendor documentretrieved 08/04/2026
HTTP proxy
features.http_proxy
- Calyx InstituteVendor documentretrieved 08/04/2026
Smart DNS
features.smart_dns
- Calyx InstituteVendor documentretrieved 08/04/2026
Ad and tracker filtering in DNS
features.adblock_dns
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Malware and phishing filter
features.malware_filter
- Calyx InstituteVendor documentretrieved 08/04/2026
Custom DNS servers allowed
features.custom_dns_allowed
- Calyx InstituteVendor documentretrieved 08/04/2026
Local network access toggle
features.lan_access_toggle
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Auto connect rules
features.autoconnect_rules
- Calyx InstituteVendor documentretrieved 08/04/2026
Private device network (mesh)
features.mesh_private_net
We have no source for this criterion.
GPS location override (Android)
features.gps_spoofing
We have no source for this criterion.
Traffic analysis defence
features.traffic_analysis_defense
We have no source for this criterion.
IPv6 inside the tunnel
features.ipv6_tunnel
We have no source for this criterion.
Obfuscation without configuration
features.stealth_default
We have no source for this criterion.
Servers and network
11/12 sourcedNumber of servers
network.server_count
- Calyx Institute single VPN endpoint for membersVendor documentretrieved 08/04/2026
Number of countries
network.country_count
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Number of cities
network.city_count
- Calyx Brooklyn NY infrastructureVendor documentretrieved 08/04/2026
Virtual locations
network.virtual_locations
- Calyx Institute US-basedVendor documentretrieved 08/04/2026
RAM-only servers (diskless)
network.ram_only
- Calyx PrivacyVendor documentretrieved 08/04/2026
Hardware ownership
network.ownership
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Own AS (autonomous system)
network.own_asn
- Calyx InstituteVendor documentretrieved 08/04/2026
10 Gbps ports
network.10g_servers
- Calyx InstituteVendor documentretrieved 08/04/2026
P2P and file sharing
network.p2p_servers
- Calyx Institute neutral net policyVendor documentretrieved 08/04/2026
Public server list
network.server_list_public
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Public status page
network.status_page
- Calyx InstituteVendor documentretrieved 08/04/2026
Known upstream hosting providers
network.hosting_providers
We have no source for this criterion.
Apps and platforms
15/16 sourcedWindows app
apps.windows
- Calyx OpenVPN config for membersVendor documentretrieved 08/04/2026
macOS app
apps.macos
- Calyx OpenVPN configVendor documentretrieved 08/04/2026
Linux app with GUI
apps.linux_gui
- Calyx OpenVPN configVendor documentretrieved 08/04/2026
Linux command line
apps.linux_cli
- Calyx OpenVPN CLI configVendor documentretrieved 08/04/2026
Android app
apps.android
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
iOS app
apps.ios
- Calyx OpenVPN mobile configVendor documentretrieved 08/04/2026
Android TV app
apps.androidtv
- Calyx InstituteVendor documentretrieved 08/04/2026
Apple TV app
apps.appletv
- Calyx InstituteVendor documentretrieved 08/04/2026
Fire TV app
apps.firetv
- Calyx InstituteVendor documentretrieved 08/04/2026
Browser extension
apps.browser_ext
- Calyx InstituteVendor documentretrieved 08/04/2026
Type of browser extension
apps.browser_ext_type
- Calyx InstituteVendor documentretrieved 08/04/2026
Router support
apps.router_support
- Calyx InstituteVendor documentretrieved 08/04/2026
Native build for Apple Silicon
apps.macos_arm_native
We have no source for this criterion.
Command line documented
apps.cli_documented
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Simultaneous devices
apps.simultaneous_devices
- Calyx membership VPN benefitVendor documentretrieved 08/04/2026
Usable without an account
apps.no_account_needed
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Account, pricing and payment
17/17 sourcedData required at signup
pricing.signup_email_required
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Account model
pricing.account_model
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Cash by mail
pricing.cash_by_mail
- Calyx Privacy — cash payment optionVendor documentretrieved 08/04/2026
Monero
pricing.monero
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Bitcoin
pricing.bitcoin
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Lightning
pricing.lightning
- Calyx accepts Bitcoin not Lightning specificallyVendor documentretrieved 08/04/2026
Retail gift cards
pricing.retail_giftcards
- Calyx payment methodsVendor documentretrieved 08/04/2026
PayPal
pricing.paypal
- Calyx cash/check/credit card/BitcoinVendor documentretrieved 08/04/2026
Credit and debit card
pricing.credit_card
- Calyx credit card membership paymentVendor documentretrieved 08/04/2026
SEPA payment
pricing.sepa
- Calyx US nonprofitVendor documentretrieved 08/04/2026
Monthly price
pricing.monthly_price
- Calyx sustaining membership ~$500/yr or lower tiersVendor documentretrieved 08/04/2026
Effective price on the longest term
pricing.effective_price_longest
- Calyx membership tiersVendor documentretrieved 08/04/2026
Price change at renewal
pricing.renewal_price_hike
- Calyx flat membership duesVendor documentretrieved 08/04/2026
Flat pricing without permanent discounts
pricing.flat_pricing
- Calyx membership modelVendor documentretrieved 08/04/2026
Free tier and its limits
pricing.free_tier
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
- Calyx InstituteVendor documentretrieved 08/04/2026
Money-back window
pricing.moneyback_days
- Calyx nonprofit membershipVendor documentretrieved 08/04/2026
Cancellation path
pricing.cancellation_ease
- Calyx contact help@calyxinstitute.orgVendor documentretrieved 08/04/2026
Usage and performance
3/10 sourcedP2P policy in the terms of service
usage.p2p_policy
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Streaming unblocking officially advertised
usage.streaming_officially
We have no source for this criterion.
Netflix regions reported
usage.netflix_regions_reported
We have no source for this criterion.
Other streaming services
usage.other_streaming_services
We have no source for this criterion.
Bandwidth cap
usage.bandwidth_cap
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Data cap
usage.data_cap
We have no source for this criterion.
Speed measurement references
usage.speed_references
We have no source for this criterion.
Latency and gaming suitability
usage.latency_gaming
We have no source for this criterion.
SMTP and port 25 handling
usage.smtp_policy
We have no source for this criterion.
Official support in restrictive countries
usage.restrictive_countries_support
- Calyx InstituteVendor documentretrieved 08/04/2026
Support and documentation
3/7 sourced24/7 live chat
support.livechat_247
- About Calyx InstituteVendor documentretrieved 08/04/2026
Email or ticket support
support.email
- Calyx InstituteVendor documentretrieved 08/04/2026
Telephone support
support.phone
We have no source for this criterion.
German-language support
support.german_language
We have no source for this criterion.
Documentation assessment
support.docs_quality
- Calyx VPN | F-DroidVendor documentretrieved 08/04/2026
Self-hosted chat widget
support.selfhosted_chat
We have no source for this criterion.
Self-service account deletion
support.account_deletion_easy
We have no source for this criterion.
Provider website hygiene
2/5 sourcedSSL Labs grade of the website
site.ssl_grade
- SSL Labs grade for calyxinstitute.orgMeasurementretrieved 08/04/2026
URL of the warrant canary
site.canary_page
We have no source for this criterion.
Length and readability of the legal documents
site.tos_readability
- Calyx Institute Privacy PolicyVendor documentretrieved 08/04/2026
Marketing claims contradicting the provider's own terms
site.claims_vs_reality
We have no source for this criterion.
Something wrong here?
If a value is wrong or outdated, report it with evidence. Every change is reviewed and then appears publicly in the changelog.