Free apps

Costs nothing to download.

page 103

SatsPrice

Bitcoin price calculator app
- Finance
- FOSS
- Free
- Android only
Zapstore GitHub
Scriptwerk

Bitcoin-Miniscript-Studio für Android — Core-RPC und eigenes Fulcrum über TLS
- Finance
- FOSS
- Free
- Android only
Zapstore GitHub
Seed

Generate a deterministic Nostr private key (nsec) from a memorable seed phrase.
- Android only
Zapstore GitHub
Self-sown Vendor

A global, permissionless marketplace for food freedom.
- Finance
- FOSS
- Free
- Nostr
- Android only
Zapstore
S
Sextant

Native MongoDB client for Android
- System & tools
- FOSS
- Free
- Android only
Zapstore GitHub
Shake To Call / Answer

Shake your phone to call a predefined number or answer calls
- Communication
- FOSS
- Free
- Android only
Zapstore Google Play Aurora Store GitHub
Shakespeare

Build custom apps with AI, right from your browser.
- Internet
- FOSS
- Free
- Nostr
- Android only
Zapstore
SHOCKWALLET

ShockWallet is a self-custody Lightning wallet that uses Nostr to securely connect, share, and manage remote nodes—enabling powerful…
- Finance
- FOSS
- Free
- Nostr
- Android only
Zapstore Google Play Aurora Store GitHub
Shosho – Live Streaming Marketplace

Back the people behind the shows. Connect with real creators, shop their sales, and discover what's live.
- Multimedia
- Free
- Nostr
- Android only
Zapstore Google Play Aurora Store GitHub
Signer Guide

Bitcoin staking for STX: lock in your own wallet, earn sats every week.
- Finance
- FOSS
- Free
- Android only
Zapstore GitHub
Signet

NIP-46 remote signer for Nostr
- Security & privacy
- FOSS
- Free
- Nostr
- Android only
Zapstore
SilentSuite

End-to-end encrypted sync for calendar, contacts, and tasks
- Productivity
- FOSS
- Free
- Android only
Zapstore Google Play Aurora Store GitHub
Simulador SeedSigner

Simulador educativo de SeedSigner: firmware real en el navegador. NO es un monedero
- Finance
- FOSS
- Free
- Android only
Zapstore
Sister Charge

Track battery stats and sync to Nostr.
- Security & privacy
- FOSS
- Free
- Nostr
- Android only
Zapstore
SkateSpots

The decentralized skate map & community, built on Nostr
- Communication
- FOSS
- Free
- Nostr
- Android only
Zapstore
S
SMS2Webhook

Forwards incoming SMS to a webhook endpoint you control, with retries, deduplication and optional API key authentication.
- Communication
- FOSS
- Free
- Android only
Zapstore GitHub
Snort

Nostr social client
- Communication
- FOSS
- Free
- Nostr
- Android only
Zapstore Google Play Aurora Store GitHub
S
Solar Dial

Private, offline apparent-solar-time clock and true-azimuth instrument.
- Android only
Zapstore GitHub
Sombras sobre Isla Negra

Juego de cartas de lucha, de 1 a 4 jugadores · A fighting card game for 1 to 4 players
- Games
- Free
- Android only
Zapstore GitHub
Sonar

Private messenger — Bluetooth nearby, Nostr everywhere, Lightning in-chat
- Finance
- FOSS
- Free
- Nostr
- Android only
Zapstore
SOUND HSA

Sound money, sound health
- Android only
Zapstore Google Play Aurora Store
Sovran

Bitcoin and Nostr wallet
- Finance
- Free
- Nostr
- Android only
Zapstore Google Play Aurora Store GitHub
SpecieSnapp

Know what it is. Instantly. Identify plants, animals, fungi & insects
- Finance
- FOSS
- Free
- Android only
Zapstore
StableKraft

Music & podcast aggregator with Nostr and Lightning
- Multimedia
- FOSS
- Free
- Nostr
- Android only
Zapstore GitHub
Staircase

Private, end-to-end encrypted group chat over Nostr
- Communication
- FOSS
- Free
- Nostr
- Android only
Zapstore
Stash

Nostr social bookmarking and highlights for Android
- Education
- FOSS
- Free
- Nostr
- Android only
Zapstore
Submarine

Your passwords, encrypted and synced. No account needed.
- Security & privacy
- FOSS
- Free
- Nostr
- Android only
Zapstore GitHub
Sun Day

Real‑time UV data, personalized Vitamin D calculations, and a day‑night UI to boost Vitamin D while reducing sun risk.
- System & tools
- FOSS
- Free
- Android only
Zapstore GitHub
Sunami

Nostr Music Platform - Stream and share music on Nostr
- Multimedia
- Free
- Nostr
- Android only
Zapstore
SunApp

Sun times and solar alarms for anywhere on Earth, computed entirely offline
- Android only
Zapstore GitHub
SunDown

Privacy-focused social app
- Communication
- Free
- Android only
Zapstore Google Play Aurora Store
Surveil

Magic: The Gathering cards on Nostr
- System & tools
- FOSS
- Free
- Nostr
- Android only
Zapstore
Table Mesh

Board games around a real table — phones play together over Bluetooth, no internet, no host, no sign-up.
- Games
- FOSS
- Free
- Nostr
- Android only
Zapstore
Tally

Private offline journey log and country presence-day counter.
- Productivity
- FOSS
- Free
- Android only
Zapstore
Teleprompter

A mobile teleprompter app to manage and play your video scripts while recording.
- Multimedia
- FOSS
- Free
- Android only
Zapstore GitHub
tendrl

Read, write and navigate knowledge on Nostr.
- Education
- FOSS
- Free
- Nostr
- Android only
Zapstore GitHub
Tenna

An nsite browser. A home screen for the apps that live on Nostr.
- Internet
- FOSS
- Free
- Nostr
- Android only
Zapstore
The Habit

Track app usage and sync to Nostr.
- Security & privacy
- FOSS
- Free
- Nostr
- Android only
Zapstore
The Relay Gazette

A personal, automatically generated newspaper built from Nostr.
- Android only
Zapstore GitHub
Time Sheet

Alarm-driven timesheet and job hour tracker
- Productivity
- FOSS
- Free
- Android only
Zapstore GitHub
topaz

simple nostr relay for android
- System & tools
- FOSS
- Free
- Nostr
- Android only
Zapstore GitHub
Trails Coffee

Order coffee, earn Bitcoin rewards, and connect with Trails Coffee.
- Finance
- Free
- Nostr
- Android only
Zapstore Google Play Aurora Store
T
Trakstr Client

Trakstr Client for Android
- System & tools
- FOSS
- Free
- Nostr
- Android only
Zapstore
TravelTelly

Travel the world. Share your story. Own your data.
- Communication
- FOSS
- Free
- Nostr
- Android only
Zapstore
TravelTelly

Travel the world. Share your story. Own your data.
- Communication
- FOSS
- Free
- Nostr
- Android only
Zapstore
Treasures

Decentralized geocaching on Nostr
- Navigation
- FOSS
- Free
- Nostr
- Android only
Zapstore
Trustroots

Meet travellers and find hosts in the Trustroots community
- System & tools
- FOSS
- Free
- Android only
Zapstore
Tubestr

Private family video sharing for parents and kids.
- Multimedia
- Free
- Android only
Zapstore