Ampat Chat

Privat tanpa ribut. Chat, grup, panggilan, dan cerita tanpa nomor telepon.Private without noise. Chat, groups, calls, and stories without a phone number.

Ampat adalah aplikasi private messaging dari RUSA yang dirancang untuk percakapan sehari-hari, tim, dan deployment yang lebih sensitif. Fokusnya jelas: identitas lewat email OTP dan username, buku kontak tetap milik pengguna, dan alur keamanan yang dibangun dari perangkat ke perangkat.Ampat is RUSA's private messaging product for daily conversations, teams, and more sensitive deployments. Its model is clear: identity through email OTP and usernames, address books stay with the user, and the security flow is built device to device.

  • Masuk dengan email OTP, tanpa nomor telepon dan tanpa upload kontak.Email OTP sign-in without a phone number and without contact uploads.
  • Chat, grup, cerita, dan panggilan pribadi dengan enkripsi ujung-ke-ujung.Private chats, groups, stories, and calls protected with end-to-end encryption.
  • Perlindungan perangkat, PIN lokal, biometrik, view-once, decoy mode, dan burn notice.Device protection, local PIN, biometrics, view-once, decoy mode, and burn notices.
id.rusa.ampatEmail OTPE2EEGoogle Play Billing
Ampat app artwork
No phone numberEmail OTP + username identity
Vault protectedPIN, biometric, SQLCipher, device-bound key
Calls & storiesPrivate voice, video, and 24h stories

Privacy modelPrivacy model

Empat komitmen dasar yang membedakan Ampat dari chat biasaFour core commitments that make Ampat different from ordinary chat apps

Halaman ini merangkum janji produk berdasarkan implementasi dan dokumentasi Ampat yang ada saat ini.This page summarizes the product promises based on Ampat's current implementation and documentation.

Tanpa nomor teleponNo phone number

Identitas pengguna berbasis email OTP dan username. Nomor telepon bukan syarat akun dan bukan jalur pencarian kontak.Identity is based on email OTP and username. A phone number is not required for an account and is not used to discover contacts.

Kontak tetap milik AndaContacts stay yours

Ampat tidak membaca address book perangkat. Orang ditambahkan saat Anda memilih, melalui username Ampat mereka.Ampat does not read your device address book. People are added only when you choose to add them through their Ampat username.

Server hanya meneruskanServer only relays

Pesan, lampiran, dan sebagian besar artefak percakapan dikunci di perangkat sebelum dikirim sehingga server tidak memegang plaintext.Messages, attachments, and core conversation artifacts are locked on-device before transmission so the server does not hold plaintext.

Siap untuk organisasiReady for organizations

Tier premium, business, dan government membawa kontrol grup, kepatuhan, serta opsi deployment yang lebih ketat.Premium, business, and government tiers add stronger group controls, compliance workflows, and stricter deployment options.

Feature landscapeFeature landscape

Lengkap untuk use case pribadi, tim, dan deployment yang lebih formalComplete for personal, team, and more formal deployment use cases

Ampat tidak hanya bicara enkripsi. Produk ini juga memikirkan operasional, kebiasaan penggunaan, dan tata kelola.Ampat is not just about encryption. The product also addresses operations, usage habits, and governance.

Private entry flowPrivate entry flow

Mulai cepat, tanpa membuka identitas pribadi yang tidak perluStart quickly without exposing unnecessary personal identity

Alur masuk Ampat dibangun untuk mengurangi jejak awal. Pengguna dapat memulai dengan email OTP, memilih username yang mudah dicari, lalu mengaktifkan PIN lokal dan biometrik tanpa menghubungkan nomor telepon.Ampat's sign-in flow is designed to reduce the initial privacy footprint. Users can begin with email OTP, choose a searchable username, and then enable a local PIN and biometrics without linking a phone number.

  • Email OTP dengan kebijakan anti account enumeration.Email OTP backed by anti-account-enumeration policy.
  • Username sebagai identitas sosial utama di aplikasi.Username used as the primary social identity inside the app.
  • PIN lokal, kunci perangkat, dan biometrik untuk membuka aplikasi.Local PIN, device-bound keys, and biometrics for app unlock.

Messaging systemMessaging system

Chat, grup, edit, unsend, reply chain, dan lampiran terenkripsiChats, groups, edit, unsend, reply chains, and encrypted attachments

Ampat menggabungkan kenyamanan percakapan modern dengan kontrol keamanan yang lebih ketat. Pesan dapat dibalas, diberi reaksi, diedit dalam batas tier, ditarik kembali, dipasangi timer hapus otomatis, dan dikirim bersama foto, dokumen, atau payload lain yang dikunci sebelum transit.Ampat combines modern conversation convenience with tighter security controls. Messages can be replied to, reacted to, edited within tier limits, unsent, assigned disappearing timers, and sent with photos, documents, or other payloads that are locked before transit.

  • Direct chat dan group chat terenkripsi.Encrypted direct chats and group chats.
  • View-once media, disappearing messages, dan burn notice.View-once media, disappearing messages, and burn notices.
  • Offline queue dan sinkronisasi ulang saat perangkat kembali online.Offline queueing and resynchronization when the device comes back online.

Calls & storiesCalls & stories

Panggilan privat dan cerita sementara dengan jejak yang lebih minimPrivate calls and temporary stories with a smaller footprint

Selain chat, Ampat menyediakan panggilan suara, panggilan video, dan cerita sementara. Untuk panggilan, dokumentasi produk menunjukkan desain jalur relay/TURN agar alamat IP asli tidak perlu dibagikan langsung. Untuk cerita, konten dipublikasikan secara sementara dan hilang otomatis sesuai desain produk.Beyond messaging, Ampat provides voice calls, video calls, and temporary stories. For calls, product documentation describes relay/TURN paths so real IP addresses do not need to be exposed directly. For stories, content is intentionally temporary and disappears automatically according to product design.

  • Voice call dan video call privat.Private voice and video calling.
  • Stories 24 jam untuk update singkat.24-hour stories for temporary updates.
  • Kontrol izin media yang eksplisit di perangkat.Explicit media permission controls on the device.

Defense stackDefense stack

Perlindungan lapis perangkat, vault, dan kriptografi modernLayered device, vault, and modern cryptographic protection

Ampat membawa fondasi keamanan yang jauh lebih agresif dibanding aplikasi chat biasa: E2EE, Double Ratchet, X3DH, kombinasi post-quantum hybrid, SQLCipher vault, Shamir secret sharing, screenshot blocking, device integrity checks, local artifact hygiene, dan mode umpan untuk plausible deniability.Ampat ships with a much more aggressive security baseline than a typical chat app: E2EE, Double Ratchet, X3DH, hybrid post-quantum protections, SQLCipher vaults, Shamir secret sharing, screenshot blocking, device integrity checks, local artifact hygiene, and decoy modes for plausible deniability.

  • Double Ratchet, X3DH, dan PQXDH hybrid.Double Ratchet, X3DH, and hybrid PQXDH.
  • Vault lokal terenkripsi dengan SQLCipher dan hardware-bound key.Encrypted local vault with SQLCipher and hardware-bound keys.
  • Decoy mode, cryptographic erase, dan kebersihan artefak lokal.Decoy mode, cryptographic erase, and local artifact hygiene.

Compliance & governanceCompliance & governance

Dibangun dengan kebutuhan PDP, ITE, BSSN, dan enterprise governanceDesigned with PDP, ITE, BSSN, and enterprise governance in mind

Dokumentasi Ampat sudah memasukkan kerangka kepatuhan Indonesia seperti UU PDP, UU ITE, PSE/Komdigi, BSSN, serta mekanisme age gate, pelaporan konten, ekspor data, penghapusan akun, dan transparansi insiden. Hal ini penting untuk deployment business dan government.Ampat documentation already includes an Indonesian compliance framework covering the PDP law, the ITE law, PSE/Komdigi, BSSN, plus age gates, content reporting, data export, account deletion, and incident transparency. This matters for business and government deployments.

  • Privacy dashboard, export data, dan penghapusan akun dengan masa tenggang.Privacy dashboard, data export, and account deletion with a grace period.
  • Mekanisme pelaporan konten dan alur takedown.In-app reporting and takedown flow.
  • Tier pemerintah untuk deployment privat dan kebutuhan kepatuhan lebih tinggi.Government tier for private deployment and stronger compliance needs.

Security stackSecurity stack

Dirancang dengan vocabulary keamanan yang serius, bukan sekadar sloganBuilt with a serious security vocabulary, not just slogans

Berikut kemampuan yang tercantum dalam codebase dan dokumen internal Ampat yang relevan untuk keamanan produk.These are the capabilities documented in Ampat's codebase and internal product materials that matter for product security.

E2EE dengan libsodium
Double Ratchet
X3DH key agreement
PQXDH hybrid post-quantum
Safety numbers
View-once media
Disappearing messages
Screenshot blocking
PIN + biometric unlock
SQLCipher vault
Shamir secret sharing
Decoy mode
Cryptographic erase
Device integrity check
Hardware-bound key
Burn notice

Plans & governancePlans & governance

Tier yang bergerak dari personal privacy sampai institutional controlTiers that scale from personal privacy to institutional control

Model monetisasi dan akses Ampat dirancang agar fitur governance, skala, dan compliance naik bersama kebutuhan organisasi.Ampat's monetization and access model is designed so governance, scale, and compliance rise with organizational needs.

BasicBasic

Untuk penggunaan pribadi dengan chat terenkripsi, grup kecil, OTP email, dan fitur inti harian.For personal use with encrypted chat, smaller groups, email OTP, and the core daily messaging stack.

  • GratisFree
  • Grup hingga 50 anggotaGroups up to 50 members
  • Unsend 5 menit5-minute unsend window

PremiumPremium

Untuk individu yang butuh lebih banyak ruang, kontrol pesan lebih lama, dan workflow chat yang lebih fleksibel.For individuals who need more room, longer message controls, and a more flexible messaging workflow.

  • Grup hingga 500 anggotaGroups up to 500 members
  • Edit hingga 1 jamEditing up to 1 hour
  • Unsend 24 jam24-hour unsend window

BusinessBusiness

Untuk tim dengan kebutuhan kontrol admin, bulk invite, kebijakan keamanan, dan analitik metadata operasional.For teams that need admin controls, bulk invites, security policies, and operational metadata analytics.

  • Admin panelAdmin panel
  • Branding workspaceWorkspace branding
  • Kebijakan keamanan timTeam security policies

GovernmentGovernment

Untuk organisasi publik dengan kebutuhan deployment privat, scale besar, compliance export, audit, dan SLA lebih ketat.For public-sector organizations that need private deployments, larger scale, compliance export, auditability, and stricter SLAs.

  • Deployment privat / on-premisePrivate / on-premise deployment
  • Compliance exportCompliance export
  • SLA kritis dan governance tinggiCritical SLA and high-governance controls

Practical answersPractical answers

Pertanyaan yang biasanya muncul sebelum review Play Console, legal, atau securityQuestions that usually come up before Play Console, legal, or security review

Apakah Ampat meminta nomor telepon?Does Ampat require a phone number?

Tidak. Berdasarkan dokumentasi produk dan alur onboarding, Ampat menggunakan email OTP dan username. Nomor telepon tidak dipakai sebagai identitas inti akun.No. Based on the product documentation and onboarding flow, Ampat uses email OTP and usernames. A phone number is not used as the core account identity.

Apakah Ampat mengunggah kontak saya?Does Ampat upload my contacts?

Dokumentasi UI dan kebijakan privasi aplikasi menyatakan tidak ada contact upload. Kontak ditambahkan manual melalui username ketika pengguna memilih melakukannya.The UI documentation and privacy commitments state that there is no contact upload. Contacts are added manually via username when the user chooses to do so.

Apakah semua fitur terenkripsi?Are all features encrypted?

Fitur inti percakapan dirancang menggunakan enkripsi ujung-ke-ujung dan perlindungan vault di perangkat. Namun layanan tetap membutuhkan metadata operasional minimum seperti waktu sinkronisasi, status langganan, dan catatan kepatuhan bila fitur enterprise atau government dipakai.Core messaging features are designed around end-to-end encryption and on-device vault protection. However, the service still needs a minimum amount of operational metadata such as sync timing, subscription status, and compliance records when enterprise or government features are enabled.

Google Play Ready

Halaman legal lengkap sudah tersedia untuk kebutuhan listing, review, dan kepatuhan.Complete legal pages are available for listing, review, and compliance requirements.

Gunakan path ini untuk publikasi dan dokumentasi eksternal: landing utama, privacy policy, dan terms & conditions.Use these paths for publication and external documentation: main landing page, privacy policy, and terms & conditions.