NordLocker vs Signal
Side-by-side comparison of features, pricing, ratings, and alternatives.
NordLocker provides end-to-end encrypted cloud storage using AES-256, xChaCha20-Poly1305, and Ed25519 algorithms, built on a zero-knowledge architecture so the company itself cannot access stored files. It functions as both a local encrypted vault and a syncing cloud drive, letting users secure files locally and back them up to the cloud simultaneously.
Signal is a nonprofit messaging app focused on privacy, with end-to-end encryption for all messages and calls by default and minimal metadata collection. It is the recommended choice for private communication.
Free and open source, funded by donations.
- True zero-knowledge, end-to-end encrypted storage
- Backed by the established Nord Security brand
- Functions as both local vault and cloud sync
- Free 3GB tier available
- Best-in-class privacy
- E2E encryption by default
- Open source
- Free, no ads
- Introductory pricing renews significantly higher after the first term
- No native Linux desktop client
- 3GB free tier is small compared to general-purpose cloud storage competitors
- Requires phone number
- Smaller network than WhatsApp
- Fewer bells and whistles
What reviewers say
NordLocker Reviews
No reviews yet.
Signal Reviews
4.8 (4)Great messaging
Tried Signal recently. Free, no ads. Minor gripe: fewer bells and whistles. Would recommend.
Solid choice
We rolled out Signal last quarter. Free, no ads. No real complaints. Would recommend.
Solid choice
We rolled out Signal last quarter. Best-in-class privacy. No real complaints. Would recommend.
More alternatives & similar tools
Alternatives to NordLocker
View all →Alternatives to Signal
View all →The Verdict
AI-generated from listing dataNordLocker offers zero‑knowledge encrypted cloud storage, while Signal provides free, open‑source encrypted messaging; choose NordLocker for secure file vaults, Signal for private communication.
Key differences
- •Primary function: NordLocker is a cloud‑storage/vault service; Signal is a messaging and call platform.
- •Security model: NordLocker is zero‑knowledge with AES‑256/xChaCha20‑Poly1305; Signal uses open‑source E2E messaging protocol.
- •Platform support: NordLocker lacks a Linux desktop client; Signal runs on Windows, Mac, Linux, iOS, Android.
- •Pricing: NordLocker has a freemium tier with paid upgrades; Signal is completely free.
- •Collaboration: NordLocker enables encrypted file sharing via security codes; Signal offers real‑time chat and calls but no file‑storage vault.
Pricing & value
Signal is fully free with no paid tiers, whereas NordLocker’s free tier is limited to 3 GB and later renews at higher cost.
Ease of use / learning curve
Signal provides straightforward install on all major OSes; NordLocker lacks a native Linux client, adding friction for some users.
Features & depth
NordLocker offers encrypted vault, cloud sync, malware scanning, and private file sharing—capabilities beyond Signal’s messaging focus.
Integrations & ecosystem
Signal includes APIs and runs on all major desktop and mobile platforms; NordLocker has no API and limited platform coverage.
Collaboration
NordLocker lets users share encrypted files via unique security codes; Signal’s collaboration is limited to chat and calls.
Security & privacy
NordLocker’s zero‑knowledge architecture means the provider cannot decrypt files; Signal’s code is open source, but the provider still handles metadata.
Support
NordLocker offers 24/7 live chat and email support; Signal only lists community support and no dedicated live channel.
Choose NordLocker if…
Users needing encrypted file storage and secure sharing, especially those already trusting Nord Security.
Choose Signal if…
Individuals who only need private messaging/calls and want a completely free, open‑source solution.
Common questions
Is there any cost to use Signal?
No, Signal is free and funded by donations.
Can I store and sync files across devices with Signal?
No, Signal does not provide cloud storage; file sharing is limited to temporary attachments.
What happens to my data if I stop paying for NordLocker?
After the paid term ends, you lose access to premium storage; the free 3 GB tier remains, but larger data may be inaccessible.