Viscosity review: score, privacy and prices
1.47
out of 10not in the main ranking (too little published data)
Other (usenet, hosting, tunnels) median 2.5
- Other (usenet, hosting, tunnels)
- Jurisdiction:Australia, 5 Eyes
- Founded2008
- Data completeness73%
- Checked2026-10-15
- Trial without a card
In 10 seconds
Strongest against its segment
- Censorship bypass2.9 vs 0.5
- Security and protocols1.8 vs 1.8
- Price and fair terms3.2 vs 3.4
Weakest against its segment
- Network and streaming0.0 vs 2.8
- Privacy and jurisdiction0.0 vs 2.3
- Platforms and support2.1 vs 3.9
- Jurisdiction in the 5 Eyes alliance
How the score adds up
Six sub-scores, each against the median of Other (usenet, hosting, tunnels) services in the main ranking (None services). Open a line to see which published facts earned points and which were missing or not disclosed.
Viscosity (SparkLabs)segment median
-
Privacy and jurisdiction30% of the score · segment median 2.30.0
What earned points
- No-logs policy +2
- Independent no-logs audit +3
- No-logs confirmed in court +1
- Warrant canary +1
- Transparency report +1
- Sign-up without email +1.5
- Account number sign-up +0.5
- Stores connection IP (penalty) −3
- Public incident (penalty) −2
-
Security and protocols20% of the score · segment median 1.81.8
What earned points
- Kill switch +2
- DNS leak protection +1.5
- RAM-only servers +1
- Post-quantum encryption +1
- Perfect forward secrecy +0.5
- Security audit +2
- Open-source clients +1.5
- 2FA +1
- Multi-hop +1
- Bug bounty +1
- Only PPTP / L2TP (penalty) −2
-
Price and fair terms15% of the score · segment median 3.43.2
What earned points
- Free plan +1.5
- Free trial +1
- Trial without a card +1
- Crypto payments +1
- Cash payments +0.5
-
Censorship bypass15% of the score · segment median 0.52.9
What earned points
- Stealth / obfuscation +2
- VLESS / Reality +1.5
- Trojan +1
- Hysteria2 +1
- Shadowsocks +1
- AmneziaWG +1
- obfs4 +0.5
- TUIC +0.5
- NaiveProxy +0.5
- Mirrors or Telegram channel +0.5
- VoIP in the UAE (claimed) +0.5
- Manual configs +0.5
-
Network and streaming10% of the score · segment median 2.80.0
What earned points
- 10 Gbps servers +1
- Dedicated IP +0.5
- Port forwarding +0.5
- MENA locations +0.5
- Torrenting allowed +1
-
Platforms and support10% of the score · segment median 3.92.1
What earned points
- Routers +1
- Browser extensions +0.5
- Split tunneling +1
- Ad / tracker blocker +1
- 24/7 live chat +2
- live chat +0.5
- Support on Telegram +0.5
- Status page +0.5
Viscosity (SparkLabs) pricing
Viscosity (SparkLabs) does not publish a paid price we could read. Free plan: No 30-day trial. Market median across the main ranking: €3.13 a month.
Real cost over 1, 2 and 3 years
What you pay to keep Viscosity (SparkLabs) running: the first term, then renewals at the published renewal price. Where no renewal price is published, plans shorter than a year are counted as repeat payments at the current price; longer plans show a dash after their term. Converted to euros at the rates used in our data (1 USD = €0.86). The lowest cost for each period is marked.
| Plan and first term | First payment | 1 year | 2 years | 3 years |
|---|---|---|---|---|
| Viscosity license (one-time), Lifetime | €13.76 | €13.76 | €13.76 | €13.76 |
Compare Viscosity (SparkLabs)’s full cost with other VPNs, for any number of devices
All plans as published
| Plan | Term | Price for term |
|---|---|---|
| Viscosity license (one-time) | Lifetime | $16.00 |
Refunds, trial and payment
- Refund window
- no fixed guarantee
- Refund conditions
- written request, at management discretion; no refunds for change of mind; license disabled on refund
- Free trial
- 30 days, site (desktop app download)
- Card needed for trial
- No
- Auto-renewal
- No
- Payment methods
- Visa; Mastercard; Amex; Discover via PayPal; PayPal; Apple Pay; Bitcoin (Coinbase Commerce)
- Renewal note
- No subscription; free updates for all 1.x versions
Everything Viscosity (SparkLabs) publishes
Every fact we collected about Viscosity (SparkLabs), as the provider and reviewers state it. Empty fields are left out; key fields we could not find say “Not stated”. “Partial”: only on some platforms, servers or plans.
Company
- Legal entity
- SparkLabs Pty Ltd
- Registered in
- Australia (NSW)
- Related brands
- Ovpngen
- Founded
- 2008
- Surveillance alliance (5/9/14 Eyes)
- 5
- Website languages
- EN
- Right-to-left languages
- No
- Currencies on the site
- USD
Plans, prices and add-ons
- Plans
- Viscosity license (single volume serial or individual serials)
- Billing terms
- one-time purchase
- Cheapest price a month
- Not stated
- Monthly plan
- Not stated
- Lifetime plan
- $16.00
- Renewal
- Yes subscription; free updates for all 1.x versions
- Family plan
- Not stated
- Business price per user
- volume discount by quantity
- Antivirus
- No
- Password manager
- No
- eSIM
- No
- Identity protection
- No
- Cloud storage
- No
- Other add-ons
- No
Discounts and programmes
- Discount shown
- volume quantity discount
- Student discount
- Not stated
Limits and restrictions
- Devices at once
- Individual license: up to 3 computers (sole user)
Free plan
- Free plan
- No 30-day trial
- Free data
- Not stated
- Ads in the free plan
- Not stated
Payment and subscription
- Payment methods
- Visa
- Mastercard
- Amex
- Discover via PayPal
- PayPal
- Apple Pay
- Bitcoin (Coinbase Commerce)
- Bank card
- Yes
- PayPal
- Yes
- Apple Pay / Google Pay
- Yes Apple Pay
- Cryptocurrency
- Yes
- Coins accepted
- BTC
- Cash
- Not stated
- Gift cards
- Not stated
- Auto-renewal by default
- No
- Email needed to sign up
- Yes purchase
- Account-number login
- Not stated
- Money-back guarantee, days
- No fixed guarantee
- Refund conditions
- written request, at management discretion
- no refunds for change of mind
- license disabled on refund
Free trial terms
- Trial length
- 30 days
- Where the trial is offered
- site (desktop app download)
- Trial limits
- none (fully functional)
- Card needed for the trial
- No
Server locations
- Countries
- Not stated
- Servers
- Not stated
- Server countries
- Not stated
- Middle East and North Africa
- Not stated
- Virtual locations
- Not stated
- P2P servers
- Not stated
- Obfuscated servers
- Not stated
Network features
- RAM-only servers
- Not stated
- IPv6
- Not stated
- Dedicated IP
- Not stated
- Static IP
- Not stated
- Residential IP
- Not stated
- Double VPN / multi-hop
- Not stated
- Tor over VPN
- Not stated
- SOCKS5 proxy
- Yes connect via HTTP/SOCKS proxy
- Smart DNS
- Not stated
Protocols and encryption
- WireGuard✕ No
- OpenVPNversion selection✓ Yes
- IKEv2✕ No
- L2TP/IPsecNot stated
- SSTPNot stated
- SoftEtherNot stated
- Own protocol✕ No
- VLESS / RealityNot stated
- VMessNot stated
- TrojanNot stated
- ShadowsocksNot stated
- Hysteria2Not stated
- TUICNot stated
- NaiveProxyNot stated
- obfs4Obfsproxy obfuscation supported✓ Yes
- AmneziaWGNot stated
- Encryption
- latest cipher & digest support (OpenVPN)
- Perfect forward secrecy
- Not stated
- Post-quantum encryption
- Not stated
- Manual configuration files
- Yes imports .ovpn / Viscosity bundles
- Open-source apps
- No
Censorship and blocking
- Obfuscation (stealth mode)
- Yes Obfsproxy-based obfuscation
- Countries it claims to work in
- Not stated
- Mirror sites or Telegram channel
- Not stated
- Calls in the UAE
- Not stated
Security
- Kill switch
- No IPv6 leak protection, auto-disconnect
- DNS leak protection
- Yes full/split DNS modes
- Split tunnelling
- Yes routing options, per network
- Ad and malware blocker
- Not stated
- Two-factor sign-in
- Yes supports VPN 2FA/OTP/PKCS#11/FIDO U2F
- Security audits
- Not stated
- Bug bounty
- Not stated
Privacy
- No-logs policy
- Not stated
- Independent no-logs audit
- Not stated
- Data retention
- server logs 90d
- license check logs 60d
- crash reports 60d
- backups 12m
- support email indefinite
- Shared with third parties
- Braintree
- PayPal
- Coinbase Commerce
- MaxMind
- Mailroute
- Cloudflare
- Transparency report
- Not stated
- Warrant canary
- Not stated
- Anonymous sign-up
- Not stated
What the privacy policy says is collected
Yes: collected. No: not collected. Partial: kept briefly or only in part. Not stated: the policy does not say.
- Email✕ Yes
- IP at sign-upserver logs✕ Yes
- Connection IPNot stated
- Session timesNot stated
- Device infoOS/version on update checks✕ Yes
- Crash reportsanonymised, 60 days✕ Yes
Apps and devices
- Windows✓ Yes
- macOS✓ Yes
- Linux✕ No
- iOS✕ No
- Android✕ No
- Android TVNot stated
- Fire TVNot stated
- Apple TVNot stated
- ChromebookNot stated
- Smart TVNot stated
- RoutersNot stated
- NASNot stated
- Raspberry PiNot stated
- Game consolesNot stated
- Browser extensions
- Not stated
Speed, streaming and gaming
- 10 Gbps servers
- Not stated
- Netflix
- Not stated
- BBC iPlayer
- Not stated
- Disney+
- Not stated
- Prime Video
- Not stated
- Gaming features
- Not stated
- Torrenting
- Not stated
Support
- Live chat
- Not stated
- Live chat 24/7
- Not stated
- Email / tickets
- Yes contact form
- Phone
- Not stated
- Telegram
- Not stated
- Not stated
- Discord or forum
- forum
- Help articles
- Yes
- Server status page
- Not stated
For teams and business
- SSO / SAML
- No
- Admin panel
- No GPO/MDM/Jamf/Munki deployment bundles
- API
- Yes AppleScript/CLI control
- Zero-trust access (ZTNA)
- No
What users say
Reviews never change our score. Ratings are smoothed: a source’s average across all VPNs counts as 50 extra reviews, so a few five-star reviews cannot outrank thousands.
No reviews collected for this service.
Ratings shown on the platforms themselves: App Store (US) 3.00 (2 ratings).
43 Reddit and forum threads mention Viscosity (SparkLabs) (titles and search snippets only).
Latest reviews and related rankings
In our rankings
Viscosity (SparkLabs) appears on 1 topic pages. Its place on each:
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Also similar to Viscosity (SparkLabs)
Owner and jurisdiction
Sources and changes
Collected 2026-10-15. No changes recorded since the first import.
- Website
- https://sparklabs.com
- Pages checked
- https://sparklabs.com; https://www.sparklabs.com/store/; https://www.sparklabs.com/viscosity/; https://www.sparklabs.com/company/legal/
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