Laying out the streets…STEP 1 OF 3

NullKey · Office #68,000

Offline encrypted notes, documents and photos for Android

In the Anonymity and privacy neighborhood (Constraints and privacy). In town since 9 Nov 2026.

Nobody has claimed this office yet. Tablif records every new product and gives it an office; when its owner claims it, the lights go on.

Is this yours? Claim it

What Tablif read on NullKey's site

NullKey describes itself as: “Private notes, documents & photos. Offline. | NullKey by Alvento”

What it is

Calls itself “vault”.

  • Calls itself: vault
“NullKey is an offline encrypted vault for Android”

Where it puts itself

Rules out “No account”, “No ads” and “No developer server”. Publishes a comparison page.

  • Says it will not: No account · No ads · No developer server
“No account, no ads and no developer server.”
“Recovery key or backup? You need both jobs covered A recovery key unlocks the va -> https://alvento.uk/nullkey/guides/recovery-key-vs-backup/”

What it costs

One-time purchase. A free tier up to a usage limit. No monthly or yearly plan.

  • One-time: yes
  • Monthly: no
  • Yearly: no
  • Free plan: free up to a limit
“Unlimited items are an optional one-time purchase, with no subscription.”
“Free for up to 30 items.”
“NullKey Unlimited is an optional one-time purchase in Google Play that removes the 30-item free limit.”

Who it sells to

Sells to consumers.

  • Sells to: consumers
“NullKey is an offline encrypted vault for Android 12L and later. Keep private notes, documents and photos on your phone”

How it runs

A mobile app for Android. Runs locally and works offline. Distributed through the Play Store. Built with Google Analytics.

  • Kind: mobile
  • Runs on: Android
  • Runs where: on the device, offline
  • Distributed via: Play Store
  • Analytics: Google Analytics
“NullKey is an offline encrypted vault for Android”
“NullKey is an offline encrypted vault for Android 12L and later.”

What it works with

Names AES-256-GCM, Alvento and 4 more on its pages.

  • Names: AES-256-GCM · Alvento · Android · +3
“AES-256-GCM protects stored contents.”
“NullKey by Alvento Skip to content NullKey An Alvento product”

What it offers as proof

Live, no waitlist. Try it without signing up. Publishes docs.

  • Trial asks for: nothing
“No account to create”
“No account.”

Sources

Tablif read these pages, last on 9 Nov 2026. Everything above is what the product says about itself; Tablif does not verify every claim.

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