Longbox Ledger — ASO

By 永 张 on AppTrack Ninja.

Spot missing issues instantly

Backnumber is a fast, fully offline tracker built for people who collect single comic book issues — not trade paperbacks, not digital bundles, just the individual issues in your longbox. Add what you own, see exactly which issues are missing from every series, and keep a want list for the ones you're still hunting down. Every other comic app wants your Wi-Fi and your email address. Backnumber doesn't. There's no account, no cloud sync, and no ads — your whole collection lives in a single file on your device that you can back up or hand off whenever you want. WHAT YOU CAN DO • Log every issue:…

Keyword visibility, ranked search terms and daily position movement for Longbox Ledger.