# Longbox Ledger — Spot missing issues instantly

> Spot missing issues instantly (iPhone/iPad app by 永 张.)

- Source: https://appshunter.io/ios/app/longbox-ledger/id6800228153 (this page in markdown: same URL + `.md`)
- Developer: [永 张](https://appshunter.io/developer/1806535769)
- Category: Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 26.0 · 1 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2026-08-26
- Data updated: 2026-09-13
- User reviews in markdown: https://appshunter.io/ios/app/longbox-ledger/id6800228153/reviews.md

## What is Longbox Ledger?

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: series, issue number, publisher, variant, condition, and price paid
• See series completion at a glance — Backnumber shows exactly which issue numbers you're missing from any run
• Keep a separate want list and move items to your library the moment you track them down
• Mark issues unread, reading, or read to keep your to-read pile organized
• Scan a barcode to speed up entry, or type it in by hand
• Back up your whole collection to a JSON file, or export a CSV for spreadsheets and insurance records

Backnumber Pro unlocks series completion analysis, barcode scanning, and CSV export with a single one-time purchase — no subscription, ever.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Backnumber Pro | $4.99 | one-time |



## Version history (last 1 release)

### 1.0 — 2026-08-26

No release notes.

## More apps by 永 张

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- [IDKit: Passport & ID Photos](https://appshunter.io/ios/app/idkit-passport-and-id-photos/id6769530845)
- [ShotKit: Screenshot Studio](https://appshunter.io/ios/app/shotkit-screenshot-studio/id6777430919)
- [NearBeam: Local File Transfer](https://appshunter.io/ios/app/nearbeam-local-file-transfer/id6777431459)

All apps by 永 张: https://appshunter.io/developer/1806535769

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-13.*