Laying out the streets…STEP 1 OF 3

SpareScreen · Office #49,242

Turn any spare tablet or phone into a Mac second screen

In the Mac and Windows desktop utilities neighborhood (Desktop and utilities). In town since 23 Oct 2026.

Nobody has claimed this office yet. Tablif records every new product and gives it an office; when its owner claims it, the lights go on.

Is this yours? Claim it

What Tablif read on SpareScreen's site

SpareScreen describes itself as: “SpareScreen: use any tablet, phone or laptop as a second screen for your Mac”

What it is

Calls itself “wireless second display”.

  • Calls itself: wireless second display
“…wireless second display for your Mac”

Where it puts itself

Positions itself as an alternative to Sidecar. Rules out “Nothing to install on the tablet”. Publishes a comparison page.

  • Alternative to: Sidecar
  • Says it will not: Nothing to install on the tablet
“The other device just opens a link in its browser: no app, no cable, no account.”
“Sidecar alternative”

What it costs

One-time purchase. Free for a trial period. No monthly plan. Prices quoted: $7.99.

  • One-time: yes
  • Monthly: no
  • Free plan: free for a trial
  • Price: $7.99
“7 days free, then $7.99 once”
“$7.99 one time”
“…v1.0 · 7-day free trial”

How it runs

A desktop app for macOS. Runs locally and works offline.

  • Kind: desktop
  • Runs on: macOS
  • Runs where: on the device, offline
“SpareScreen installs with one line in Terminal and opens in your menu bar.”
“…macOS 13+ · Apple Silicon & Intel”

What it works with

Names Duet Display, Homebrew and 4 more on its pages.

  • Names: Duet Display · Homebrew · Luna Display · +3
“Duet Display alternative”
“It uses Homebrew , a free and widely trusted installer for Mac apps.”

What it offers as proof

Live, no waitlist. Try it without signing up.

  • Instant signup: yes
  • Trial asks for: nothing
“Install for Mac”
“Install SpareScreen and use everything for 7 days. After that it asks for a license key”

Sources

Tablif read these pages, last on 23 Oct 2026. Everything above is what the product says about itself; Tablif does not verify every claim.

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