Spoor Ledger

Developer Tools

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

Spoor Ledger — Log Analysis Workbench A lightweight log analysis tool for developers, site reliability engineers, and backend teams. Stop digging through scattered .log / .gz files on a desktop, re-running the same CLI filters, or chasing trace_id links that never line up. Import a log file on your phone to browse, filter, query, summarize, and export—all parsing happens on-device so you can focus on the investigation itself. What it brings to your workflow Smart event browsing and filter tracking Open logs: Supports text logs, JSON lines, access logs, and .gz archives; auto-detects UTF-8 / GB18030; remembers recently opened files for one-tap reopen. Event list: Filter by level, keyword, time range, and correlated fields; bookmarks, notes, and full-text highlighting; tap trace_id / request_id to jump to related events on the same chain. Inspector panel: See the current log source, active parser, and recognized fields in one place; switch templates and rebuild the index anytime. Advanced query console Pipeline syntax: e.g. level:error | stats count by level, where duration_ms > 500 | sort time desc—filter, sort, and aggregate quickly. SQL subset: Common SELECT … FROM logs WHERE … GROUP BY … ORDER BY … LIMIT …; aggregates shown as tables. Saved views and history: Save queries as favorite views; replay recent runs in one tap; export results directly. Parser templates and field semantics Built-in templates: Generic auto-detect, JSON lines, access logs (Nginx/Apache), and app logs with stack merging. Custom parsing: Regex named capture groups or Grok patterns; map fields to timestamp / level / message body; multiline merge rules with live preview; save and reuse templates. Export and diagnostics Multi-format export: Filtered and query results as CSV / JSON / HTML; statistics reports with level and timeline charts, shared via the system share sheet. Diagnostics panel: File info, parse coverage, unrecognized samples, large-file read performance, index capacity, and query cache management—useful for review and self-checks. Log files, bookmarks, notes, queries, and templates stay on this device only and are never uploaded to any server.

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1.Fixed known bugs.

Version 1.0.1

The developer, Yen Phan Thi Nhi, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Location
    • Identifiers
    • Usage Data

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Identifiers
    • Usage Data

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Location
    • Usage Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
Yen Phan Thi Nhi
Size
14.5 MB
Category
Developer Tools
Compatibility
Requires iOS 16.0 or later.
  • iPhone
    Requires iOS 16.0 or later.
  • Mac
    Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
English
Age Rating
4+
Copyright
© Spoor Ledger
  • Privacy Policy

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