Reckoner.

How to use it. Pick one home, build the habit, keep it safe.

Start here: pick your one home.

Your record lives on the device you use it on. That's the whole point — no one but you can read it.

Nothing syncs to a server, so your record doesn't automatically follow you between devices. Make one choice, once: your home is the device you'll actually open most. Your computer or your phone — either is fine.

Phone as home? Great — most people live on their phone. Do this first: open the app, tap Share → Add to Home Screen. It behaves like an app and helps your record survive (phone browsers can quietly clear storage otherwise).
Computer as home? Also great — you get an extra safety net (the automatic backup folder, below) that phones can't have.

Every other device is a viewer. To look at your record elsewhere, export it and import a copy there. Only ever seal on your home device — that keeps your chain whole. Two devices both sealing can't be merged back together; the record is a chain, and a chain has one line.

The habit: seal it the moment it exists.

This is the entire practice. Small on purpose.

01Seal a call you can be held to. On Home, write the call, what you expect, and what would prove you wrong — then Seal. "I'm asking for the raise. I expect a yes or a counteroffer in two weeks. Silence is my answer about this job."
02Check a claim before it moves you. Someone hands you a "fact"? Log it first: where did it come from, and who benefits if you believe it? A claim doesn't get to drive until it's checked.
03Log a belief you want tested. A hunch you're treating as true. Name what would change your mind.
04Settle up when reality answers. Come back and mark what actually happened — right or wrong, without shame. Being wrong on the record is the tool working.

Rhythm: seal things as they come up; settle when reality lands; back up on a schedule (next). No streaks, no badges. The point isn't to feel good — it's to be right more often.

Back it up. Don't skip this.

Your record lives in your browser. Browsers can be cleared. Keep a copy somewhere that survives.

At the bottom of Home, tap Save to Files — it saves your whole ledger as one file. Then keep that file somewhere durable:

On a computer: save it into a synced folder (OneDrive, iCloud Drive, Google Drive, Dropbox) or onto an external / USB drive. A synced folder means the file quietly rides your own cloud — Reckoner never sees it. You can also Connect a backup folder once, and every seal lands there on its own.
On a phone: tap Save to Files → save it to your iCloud Drive or Google Drive. Phones don't get the automatic folder backup, so do this on a rhythm — weekly, and right after any seal that matters. The habit is the backup. Reckoner will remind you when seals aren't saved yet.

Moving your record to another device: Save on your home device → get the file to the other one (your cloud folder, email it to yourself, or a USB stick — newer phones read USB drives in Files) → open Reckoner there and tap Import ledger. Import re-checks the whole chain, so it arrives intact or not at all.

Encrypted backup.

A backup safe to keep anywhere — because no one but you can read it.

Your record gets locked on your device before it becomes a file, with a passphrase only you know. Reckoner never sees the passphrase or the contents, and nothing is uploaded anywhere — the encrypted file is yours. Store it in any cloud or on any drive; even if someone gets the file, it's unreadable without your key. Unlock it on another device to move your record between phone and computer.

Make one: on Home, open Encrypted backup, set a passphrase, and Lock and save. You'll get a recovery code — save it; it's the only other way in.
Restore it: on any device, choose the encrypted file and enter your passphrase (or recovery code). The chain is checked before anything loads.
The one hard rule: because no one but you can read it, no one can recover it for you. Lose both your passphrase and your recovery code, and the backup is gone. That's not a flaw — it's the proof it's truly private.

What you'll never have to do.

No account to create (unless you turn on encrypted backup). No tracking. Nothing sold. The only thing Reckoner collects is the email at the door, for an audience count. Your record is yours — on your device, in your cloud, under your passphrase. Never on anyone else's server in a form they can read.

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