Nebula review: score, privacy and prices
out of 10not in the main ranking (too little published data)
Mesh / self-hosted median 2.5
- Mesh / self-hosted
- Jurisdiction:USA, 5 Eyes
- Owner:Slack Technologies (Salesforce) for OSS; Defined Networking, Inc.
- Data completeness60%
- Checked2026-10-15
- Trial without a card
- Free plan
- Open-source apps
In 10 seconds
Strongest against its segment
- Security and protocols2.1 vs 1.8
- Censorship bypass0.5 vs 0.5
- Price and fair terms2.9 vs 3.4
Weakest against its segment
- Network and streaming0.0 vs 2.8
- Privacy and jurisdiction0.0 vs 2.3
- Platforms and support2.9 vs 3.9
- Jurisdiction in the 5 Eyes alliance
How the score adds up
Six sub-scores, each against the median of Mesh / self-hosted services in the main ranking (None services). Open a line to see which published facts earned points and which were missing or not disclosed.
Nebula (Slack)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 1.82.1
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 3.42.9
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 0.50.5
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 3.92.9
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
Nebula (Slack) pricing
The cheapest way in is €0.86 a month, paid upfront for the longest term. After that term, Nebula (Slack) renews at its standard price. Market median across the main ranking: €3.13 a month.
Price per month over 3 years, Managed Nebula Pro, per host plan
first termrenewalmarket median €3.13/momonths →
Real cost over 1, 2 and 3 years
What you pay to keep Nebula (Slack) 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 | Then | 1 year | 2 years | 3 years |
|---|---|---|---|---|---|
| Managed Nebula Pro, per host, 1 mo | €0.86 | €0.86 / 1 mo | €10.32 | €20.64 | €30.96 |
Compare Nebula (Slack)’s full cost with other VPNs, for any number of devices
All plans as published
| Plan | Term | Price for term | Per month | € / month | Renewal price | Renewal term |
|---|---|---|---|---|---|---|
| Managed Nebula Free | 1 mo | $0.00 | $0.00 | €0.00 | $0.00 | 1 mo |
| Managed Nebula Pro, per host | 1 mo | $1.00 | $1.00 | €0.86 | $1.00 | 1 mo |
Refunds, trial and payment
- Refund window
- Not stated
- Free trial
- Not stated
- Card needed for trial
- No Free tier
- Auto-renewal
- Not stated
- Payment methods
- Not stated
Everything Nebula (Slack) publishes
Every fact we collected about Nebula (Slack), 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
- Slack (OSS repo); Defined Networking, Inc. (Managed Nebula)
- Registered in
- US
- Parent company
- Slack Technologies (Salesforce) for OSS; Defined Networking, Inc.
- Related brands
- Managed Nebula; Defined Networking
- Surveillance alliance (5/9/14 Eyes)
- 5
- Website languages
- EN
- Right-to-left languages
- No
- Currencies on the site
- USD
- Prices depend on country
- No
Plans, prices and add-ons
- Plans
- OSS (free)
- Managed Nebula Free
- Pro
- Enterprise
- Billing terms
- monthly (calendar month, prorated)
- Cheapest price a month
- 0 (OSS / Free up to 100 hosts)
- Monthly plan
- 1 per host (Pro)
- Lifetime plan
- Not stated
- Family plan
- Not stated
- Business price per user
- $1/host/mo (Pro); Enterprise custom
- Business minimum seats
- none
Discounts and programmes
- Student discount
- Not stated
Limits and restrictions
- Devices at once
- unlimited (OSS/Pro); 100 (Free)
- Data limit
- No
- Speed limit
- No
- Features locked to higher plans
- Free: 100 hosts, 2 routes
- Pro: unlimited hosts, 100 routes, priority support, uptime guarantee
- Enterprise: dedicated Slack channel, design/setup
Free plan
- Free plan
- Yes OSS unlimited; Managed Free up to 100 hosts, 2 routes, no card
- Free data
- Not stated
- Free devices
- 100 hosts (Managed Free)
- Ads in the free plan
- Not stated
- Other free plan terms
- managed lighthouse, SSO, web UI
Payment and subscription
- PayPal
- Not stated
- Cryptocurrency
- Not stated
- Cash
- Not stated
- Gift cards
- Not stated
- Auto-renewal by default
- Not stated
- Email needed to sign up
- Not stated
- Account-number login
- Not stated
- Identity check (KYC)
- No
- Money-back guarantee, days
- Not stated
Free trial terms
- Trial length
- Not stated
- Card needed for the trial
- No Free tier
Server locations
- Countries
- Not stated
- Servers
- Not stated
- Server countries
- Not stated
- Middle East and North Africa
- Not stated
- Virtual locations
- Not stated
- Own servers
- Yes self-hosted lighthouses (or managed)
- 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
- Not stated
- Smart DNS
- Not stated
Protocols and encryption
- WireGuard✕ No
- OpenVPN✕ No
- IKEv2Not stated
- L2TP/IPsecNot stated
- SSTPNot stated
- SoftEtherNot stated
- Own protocolNebula (Noise Protocol Framework, UDP)✓ Yes
- VLESS / RealityNot stated
- VMessNot stated
- TrojanNot stated
- ShadowsocksNot stated
- Hysteria2Not stated
- TUICNot stated
- NaiveProxyNot stated
- obfs4Not stated
- AmneziaWGNot stated
- Encryption
- Curve25519 ECDH + AES-256-GCM; optional NIST P256 / BoringCrypto
- Perfect forward secrecy
- Not stated
- Post-quantum encryption
- Not stated
- Manual configuration files
- Yes YAML config + certificates (self-hosted PKI)
- Open-source apps
- Yes https://github.com/slackhq/nebula
Censorship and blocking
- Obfuscation (stealth mode)
- Not stated
- Countries it claims to work in
- Not stated
- Mirror sites or Telegram channel
- Not stated
- Calls in the UAE
- Not stated
Security
- Kill switch
- Not stated
- DNS leak protection
- Not stated
- Split tunnelling
- Not stated
- Ad and malware blocker
- Not stated
- Two-factor sign-in
- Not stated
- Security audits
- Not stated
- Bug bounty
- Not stated
Privacy
- No-logs policy
- Not stated
- Independent no-logs audit
- Not stated
- 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.
- Connection IPNot stated
- Session timesNot stated
Apps and devices
- Windows✓ Yes
- macOS✓ Yes
- Linux✓ Yes
- iOSmobile app✓ Yes
- Androidmobile app✓ Yes
- 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
- No
- Live chat 24/7
- Not stated
- Email / tickets
- Yes priority support (Pro)
- Phone
- No
- Telegram
- Not stated
- Not stated
- Discord or forum
- NebulaOSS Slack; GitHub Discussions
- Help articles
- Yes nebula.defined.net/docs
- Server status page
- Not stated
- Uptime guarantee (SLA)
- guaranteed uptime
For teams and business
- SSO / SAML
- Yes SSO with IdP, Managed Nebula
- Admin panel
- Yes Managed Nebula web UI
- Zero-trust access (ZTNA)
- Yes overlay mesh with tag-based access control, host firewall
- Identity providers
- SSO via your IdP
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.
-
Trustpilot
4.15 of 5, smoothed
From 200 collected reviews (raw average 4.27; all VPNs 3.66). Last 90 days: 4.27 from 200.
The company replied to 25 of 25 negative reviews (1–2 stars).
-
App Store
4.12 of 5, smoothed
From 750 collected reviews (raw average 4.16; all VPNs 3.54). Last 90 days: 4.32 from 462.
-
Google Play
2.87 of 5, smoothed
From 400 collected reviews (raw average 2.74; all VPNs 3.90). Last 90 days: 3.22 from 37.
The company replied to 4 of 191 negative reviews (1–2 stars).
Ratings shown on the platforms themselves: Trustpilot TrustScore 4.3 (17201 reviews); App Store (US) 4.57 (170856 ratings); Google Play 3.5 (4.06K ratings).
Reviews per month, last 12 months
46 Reddit and forum threads mention Nebula (Slack) (titles and search snippets only).
Latest reviews and related rankings
Latest reviews
Short excerpts with a link to the original. We do not reproduce reviews in full.
App Store · 4★ · 14 Oct 2026 · GB
Aura
App Store · 5★ · 13 Oct 2026 · GB
Shiv
App Store · 1★ · 13 Oct 2026 · GB
SCAM
Google Play · 2★ · 11 Oct 2026
Unusable now, minimizing the video I'm watching to display featured content. The app was never very good but is now category rubbish.
Google Play · 3★ · 09 Oct 2026
love the content, but the app constantly crashes during background play. usually, when switching apps
Google Play · 2★ · 08 Oct 2026
Really lacking in features. I wish i could remove/block some creators who flood my feed or whom I simply don't enjoy watching. The views to browse your…
Trustpilot · 2★ · 13 Oct 2026 · US
Total rip-off and scam!!
Original reviewTrustpilot · 3★ · 13 Oct 2026 · CA
Classic flavors and smooth online…
Original reviewTrustpilot · 5★ · 12 Oct 2026 · US
Great live it
Original review
Rankings by user reviews
In our rankings
Nebula (Slack) appears on 4 topic pages. Its place on each:
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Also similar to Nebula (Slack)
Owner and jurisdiction
Closed services Nebula (Slack) replaces
Services that shut down or moved, for which this is one of five live alternatives.
Sources and changes
Collected 2026-10-15. No changes recorded since the first import.
- Website
- https://github.com/slackhq/nebula
- Pages checked
- https://github.com/slackhq/nebula; https://www.defined.net/pricing/
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