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Hardcharger 2.10.0

Hardcharger puts a complete analytical SQL server on your iPhone or iPad.

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Hardcharger 2.10.0 screenshot
Hardcharger 2.10.0 screenshot
Hardcharger 2.10.0 screenshot
Hardcharger 2.10.0 screenshot
Hardcharger 2.10.0 screenshot

About Hardcharger

Hardcharger puts a complete analytical SQL server on your iPhone or iPad. The same hardcharger-server that runs on Linux, macOS and Windows, with DuckDB 2.0 and its built-in extensions, is built into the app. Nothing leaves the device unless you ask it to.

WEB UI The server's own web interface, signed in automatically: a SQL editor, a results grid, a schema browser, sessions, an API page and file uploads. Point it at a saved remote server instead with one tap.

CONSOLE The hardcharger command-line client inside the app, with its dot commands (.tables, .schema, .mode table|csv|json|markdown|line, .timer, .maxrows and more) and output formatting. Return runs a statement once it ends with a semicolon; swipe through history; Command-Return on iPad.

YOUR FILES Import CSV, TSV, JSON and Parquet from the Files app, the share sheet, or a drop on iPad. The database lives in Files (On My iPhone > Hardcharger), so you can back it up, copy it, or open it elsewhere.

SHARE ON LOCAL NETWORK (off by default) Turn it on and a laptop on the same Wi-Fi opens the web UI over TLS at the address in the QR code, checking the certificate fingerprint the app shows. A second QR code adds the server to another iPhone or iPad.

OTHER SERVERS Save Hardcharger servers anywhere else, with credentials in the Keychain. Sign in with a user name and password, or with the server's single sign-on in a secure browser session. A self-signed server is trusted by its fingerprint only when you say so.

ON iPAD A sidebar, keyboard shortcuts (?1-?6 for screens, ?I import, ??L sharing, ?R reload, ??R and ?. start and stop), multiple windows and Stage Manager.

Hardcharger is open source (Apache 2.0) from GizmoData: [link removed]

License: Commercial
Release info New Release on Nov 10, 2026
Release notes - Other servers in the web UI: the schema browser now lists this server and any other Hardcharger servers you add with "Add a server". You can also paste a hardcharger:// or https:// address.
- Switch a tab's server: change which server an editor tab uses from its toolbar. Its SQL, name and row limit are kept.
- Live query progress: an estimated progress bar for running queries, in the web UI and the console.
- Format SQL: Alt+Shift+F or the context menu, and it works with Undo.
- Query details: open the SQL and profile of any query you ran, from its results, without running it again.
- Maps for geometry data: GEOMETRY columns show as readable text (for example POINT (-80.84 35.23)), and a new Map view plots the results on a world map. The map is built into the app.
- TPC-H / TPC-DS: when those tables are present, the web UI offers all 22 (TPC-H) or 99 (TPC-DS) benchmark queries in new tabs.
- Nested schemas (new in DuckDB 2.0) show as a tree in the schema browser.
- Stopped GizmoData Cloud servers: the console and web UI wait while a stopped server starts up again, with a countdown. They no longer wake a stopped server unless you actually run SQL.
- More access-control privileges: you can now grant users rights to create macros, sequences, types and triggers, and to run comments, ANALYZE and VACUUM.
- Fixes: the console now prints GEOMETRY, BLOB and ENUM values correctly. A query with no rows and a LIST column no longer fails in the web UI. Alt+W no longer closes a tab with unsaved text without asking. Other reliability fixes.
Listing dataApp Store

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