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PearCal

Install PearCal

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Download
QR code for zapstore.dev/download
  • Scan the code with your phone’s camera
  • Tap Download anyway if the browser warns about the file
  • Allow your browser to install unknown apps if Android asks
  • Open Zapstore and finish the onboarding

Open PearCal in Zapstore

Open
QR code to open PearCal in Zapstore
  • Scan the code to open PearCal in Zapstore, or search for it there
  • Tap Install, and Download if Zapstore asks you to confirm the developer
  • Confirm in Android’s install dialog. Allow Zapstore to install unknown apps if Android asks

Claimed by the developer

PeerLoom LLC cryptographically proved they hold the key that signs PearCal. The claim is a signed proof on Nostr, tied to the certificate below.

Developer
PeerLoom LLC
Developer key
npub16u9hy2m8w6xt7836cam7yyrmh3z849mg3xd4fzlkjnm352nt2tuqne586x
Signing certificate
a41cb6fe61a1f58c6edf969edcdb5b1c9ccb12a3e30867c66b909a624aa1434e
APK checked by
relay.zapstore.devIt read the APK and found it signed with this certificate before listing the release.
Claim published
Nov 10, 2026
Valid until
Nov 10, 2027
Proof event
cc1e6c63bcd910e9d67ebfde9281b555741d65f23e88b0cdfbd11639a5eddd49in relay.zapstore.dev
How trust works

Private, peer-to-peer calendar app. Share events directly with people you trust, with no server, no account, and no third party in the middle.

PearCal is a private, peer-to-peer calendar app. Share events directly with people you trust, with no server, no account, and no third party in the middle.

Features:

  • Create and manage personal calendar events
  • Share events with peer groups over a direct P2P connection
  • Import public holidays for US, Canada, and UK
  • Invite members via QR code or share link
  • Fully offline-capable — your data stays on your device

Summary generated by Zapstore from source.

Original description, as the developer published it.

Zap PearCal

Zapping anonymously. Sign in to zap with your identity.

Sats go to npub16u9hy…ne586x, the developer who signed the app’s certificate proof.

Amount in sats

Stacked in

Latest release

Nov 10, 2026

Claimed app No Google servicesSource available · MIT

Uses the camera to capture photos for profile avatars.

Permissions

  • Camera CAMERA Take photos and record video To capture photos for profile avatars.
  • Notifications POST_NOTIFICATIONS Send you notifications

Release notes

New Features

  • Shared events now show who added them. Look for "Added by" and the person's name on the event and when you open it.

Bug Fixes

  • If joining a group hasn't connected yet, PearCal now says it is waiting for the owner. It no longer shows a placeholder "Inviter" as the owner or offers to take over the group.
  • Clearer messages when taking over a group isn't possible.

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Get PearCal the private way

Updates checked on your device, and every release verified before it installs.

Get Zapstore for Android

  1. Tap Download APK below.Scan the code with your Android phone’s camera.
  2. If Android asks, allow your browser to install unknown apps.
  3. Open Zapstore and finish the onboarding.
Download APK

v2.0.4 · 71.2 MB · Android 10+

Verify the download

On a computer, run shasum -a 256 <the file you downloaded>. It should print: b13e01319fecf0b3ba1fd60132758bd0fa08a235836c52d44fddb412cf1b7137

If you have zsp, Zapstore’s publishing tool, zsp utils extract-apk <the file you downloaded> works too. Its hash should be the same SHA-256: b13e01319fecf0b3ba1fd60132758bd0fa08a235836c52d44fddb412cf1b7137

On the phone, AppVerifier should show this signing certificate: 99e33b0c2d07e75fcd9df7e40e886646ff667e3aa6648e1a1160b036cf2b9320

Source code All releases and notes

Get zsp

  1. Download the file for your computer.
  2. Make it executable and put it on your PATH.
  3. In your project folder, run zsp.

Have Go? This does the same:

go install github.com/zapstore/zsp/v2/cmd/zsp@latest
macOS, Apple silicon Linux, x86-64 Linux, arm64

v2.0.1 · macOS and Linux

Verify the download

On your computer, run shasum -a 256 <the file you downloaded>. It should print the SHA-256 for the one you chose.

macOS, Apple silicon · 18.6 MB 99018fb9744e5ace2b44557550dc333496239912c0e9b1137266d4922c803346

Linux, x86-64 · 23.8 MB 1ef5373f8ecd9ba63d2c3fab98abb0d31b2244a2aac31b3749fb205c7d5f5b38

Linux, arm64 · 22.1 MB e421005ee47cba58293dce4277bb784e4cfe706dbbcb8617d671629d0238be18

Source code All releases and notes