Chapar

SSH · Telnet · network toolkit for iOS

The relay station
in your pocket.

Chapar carries a command from your phone to any server the way its namesake carried messages across an empire — fast, direct, and trusted at every hop. SSH, cloud, Kubernetes, a full network toolkit, and on-device AI, with nothing routed through us.

iOS 17+  ·  iPhone & iPad  ·  no account, ever

you server
9:41chapar · prod
api-gateway-3 — ssh
>systemctl status nginx
● nginx.service — active (running)
  since Thu 09:12:04; uptime 14d
✓ ok · 214ms
>ask: why did the last deploy fail?
on-device: port 8080 was already bound —
a prior process never exited. kill it first.
>

command blocks · on-device diagnosis · zero servers of ours in between

Five waystations

Everything one relay carries.

Each stop does one job well — connect, look around, automate, understand, and stay out of anyone’s way but yours.

01

Connect

A real terminal that behaves — vim, htop, mouse reporting, all of it — plus the resilience mobile SSH usually gets wrong.

  • SSH & Telnet, jump hosts
  • Command blocks, not a text wall
  • tmux resume across app kills
  • Auto-reconnect & keepalive
  • SFTP, port forwards, SOCKS5
  • Multiple sessions, switcher
02

Discover

A full network toolkit that stays honest about what a phone actually can and can’t do — no fake ICMP, no wrapped APIs.

  • Port scanner & live nmap
  • Ping with a real latency graph
  • TLS certificate inspector
  • DNS lookup, real wire format
  • SNMP for switches & routers
  • Packet capture, IP calculator
03

Automate

Run one command across a fleet, or a whole runbook — interactively with a human confirming each step, or on a schedule when every step is provably read-only.

  • Fleet execution with outlier detection
  • Runbooks, scheduled or interactive
  • Snippets with fill-in placeholders
  • Shortcuts & Siri
  • Scheduled health checks
  • Home Screen widget, Live Activities
04

Understand

Apple’s on-device model reads your output so you don’t have to — explaining, summarising and diagnosing without a single byte leaving the phone.

  • Explain a command before you run it
  • Summarise a wall of output
  • Diagnose a failed step
  • Ask for a command in plain English
  • An agent that plans read-only checks
  • Redact secrets before you share
05

Protect

Hardware-backed keys, biometric lock, and a production guardrail that asks before anything destructive runs.

  • Secure Enclave keys, unexportable
  • Face ID / Touch ID lock
  • Keyboard-interactive MFA
  • Host key pinning
  • Production guardrail on risky commands
  • End-to-end encrypted sync, optional
“The relay carries the message. It doesn’t read it, keep it, or tell anyone it passed through.”
No backend.
There is no Chapar server. Your commands and output never leave your phone and the box you’re connecting to.
On-device AI.
Explanations, summaries and diagnosis run on Apple’s local model — nothing sent to a cloud provider.
Your keys stay yours.
Secure Enclave keys are hardware-bound and can’t be exported, ever.
Sync through your own iCloud.
Optional, off by default, and end-to-end encryptable with a key only your devices hold.
Ready when you are

Carry the terminal with you.

Chapar is built for the admin who’s away from their desk more than on it — and who’d rather trust their own judgement than a server they’ve never heard of.