Keeper

Keeper Unlimited costs US$3.58/mo billed annually — though Keeper very frequently runs 50%-off promotions that can bring the first year to roughly half that, so it's worth waiting for one. The plan covers unlimited devices; the Family plan bundles five separate vaults and is better value if you're covering a household. There's a limited free tier on mobile and a 30-day trial to test the full product first. Add-ons like BreachWatch dark-web monitoring cost extra, which is worth factoring in when you compare the headline price against rivals that include them.

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No — Keeper has never had a breach of customer vaults. In 2017 a researcher found a flaw in its browser extension, which Keeper patched within a day; no user data was reported stolen. Its zero-knowledge architecture is certified under SOC 2 and ISO 27001, an unusually formal compliance record for a consumer product.

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Yes. Keeper uses zero-knowledge AES-256 encryption, holds SOC 2 Type II and ISO 27001 certifications, is FedRAMP-authorized for US government use, and undergoes regular independent audits. Optional add-ons like BreachWatch monitor the dark web for your leaked credentials. Its security posture is among the most formally certified in this comparison.

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A limited one: Keeper Free works on a single mobile device without sync — enough to try the vault, not enough for real multi-device use. Full functionality requires Keeper Unlimited. If a capable free plan is your priority, Bitwarden's or NordPass's free tiers are stronger; Keeper's strength is its certified, business-grade security rather than its free offering.

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