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Fully offline
Outages, air-gapped rooms, locked-down sites — everything lives on device. No connection required.
CmdDeckType what broke — “cannot connect to the network” — and the fix flow opens with every command in the order you run them. 1,510 commands, even with no connection.
Don't memorize — look it up. Six things built for IT work.
Outages, air-gapped rooms, locked-down sites — everything lives on device. No connection required.
Type it the way you would say it — “cannot connect to the network”, “printer not printing”. The fix flow opens with the commands to check, in order. You don’t need to remember what the command is called.
Safe, Caution and Destructive are color-coded so you catch irreversible operations before you run them.
Search by command, alias, common name or symptom. Copy in one tap, paste into your terminal.
Hand-picked for real-world work. v2.0 adds 632 commands, mostly for Windows, PowerShell and Linux (RHEL and Ubuntu).
WindowsPowerShellLinuxmacOSCiscoActive DirectoryGitMicrosoft 365YAMAHAFortiGateVirtualizationDockerKubernetesCloudSQLOptimized for both the inner and outer displays of iPhone Duo.
The app UI, command explanations and fix-flow steps in 9 languages: English, Japanese, Spanish, German, French, Portuguese, Simplified Chinese, Traditional Chinese and Korean. Runs on iPhone, iPad and Mac, and is optimized for both the outer and inner screens of iPhone Duo. Premium syncs your favorites via iCloud.
Light and dark. Large type that reads even in a dim server room.
Optimized for both the outer and inner screens. Open it up and text still stays at a comfortable reading width.
Type the symptom in plain words; the commands to check line up in order.
Plain words like “cannot connect to the network”.
Search by symptomThe commands to check appear in sequence.
ping <gateway>One-tap copy; check the danger level and run.
nslookup <name>Try it free, unlock everything once.
☕ No subscriptions. No seats. No renewals. Pay once, keep it for good.
Yes. Every feature runs on device; viewing and searching commands needs no connection.
No. There is only a one-time “Premium Unlock” — no monthly or yearly fees.
The app UI, command explanations and fix-flow steps are available in 9 languages (English, Japanese, Spanish, German, French, Portuguese, Simplified Chinese, Traditional Chinese and Korean). Commands, syntax and examples themselves are language-independent.
iPhone and iPad, plus Apple Silicon Macs. On iPhone Duo, both the outer and inner screens are supported.
Searching, viewing and copying all 878 commands is free and uncapped, and so is symptom search. The 632 Premium commands appear in search with their name and summary. Two troubleshooting flows are fully unlocked, and for every other flow you can still read all the steps — what to check and in what order. Only the commands themselves and the field notes are Premium.
No. Every command and flow added in v2.0 is included at no extra cost.
No. There are no analytics, ads or tracking, and the developer collects no data. Favorites and history stay in your own iCloud.
1,510 commands (878 free) and 120 troubleshooting guides across 15 areas — Windows / PowerShell / Linux / macOS / Cisco / AD / Git / M365 / YAMAHA / FortiGate / virtualization / Docker / Kubernetes / Cloud / SQL.
It is provided for reference. Run commands at your own risk, ideally in a test environment and after taking backups.
Report a bug or request a command — we’d love to hear from you.
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An indie iOS software house in a corner of the forest.
