PowerSync Offline-First Sync（パワーシンクオフラインファーストシンク）
PowerSync 2024年公開Postgres/MongoDB/MySQL→SQLite Offline-First Sync。Pro 業界Pro Mainstream Multi-Source DB→Mobile SQLite Offline-First Sync先駆 + Pro Bucket-based Sync Rule + Pro $0.01/MAU + Pro 累計2023-2026年3年Heritage継承代表機。
概要
PowerSync Offline-First Sync(パワーシンク オフラインファースト シンク)はPowerSync Inc.(米国Chicago + 2023-Conrad Hofmeyr + Ralf Kistner創業(JourneyApps出身)) 2024年GA公開Multi-Source DB→Mobile SQLite Offline-First Syncで、Pro 業界Pro Mainstream Multi-Source DB(Postgres/MongoDB/MySQL)→Mobile SQLite Offline-First Sync先駆 + Pro Bucket-based Sync Rule + Pro Native iOS/Android/Flutter/React Native + Pro Self-Hosted Apache 2.0 + Pro Hosted Free MAU 1,000 + $0.01/MAU + 累計2023-2026年3年Heritage Pro Top独占代表機。PowerSync主要機能: (1)PowerSync Inc.主導(米国Chicago + 2023設立 + Conrad Hofmeyr + Ralf Kistner(JourneyApps出身))、(2)Pro 業界Pro Mainstream Multi-Source DB→Mobile SQLite Offline-First Sync先駆、(3)Pro Source DB Postgres + MongoDB(2024) + MySQL(2024)、(4)Pro Client SQLite(@journeyapps/wa-sqlite Browser/SQLCipher Mobile)、(5)Pro Bucket-based Sync Rule(YAML Sync Rule定義 + 行レベル指定)、(6)Pro Real-time WebSocket Sync、(7)Pro Conflict Resolution(LWW + Custom Server-side)、(8)Pro Optimistic UI + Local Reads/Writes + Background Upload Queue、(9)Pro Native iOS/Android/Web/Flutter/React Native対応、(10)Pro powersync-react/flutter/kotlin/swift SDK、(11)Pro Drizzle ORM対応、(12)Pro Authentication(Custom JWT/Supabase/Auth0/Firebase)、(13)Pro Authorization(Sync Rule内行レベルAuth)、(14)Pro Hosted Cloud(Free MAU 1,000 + $0.01/MAU + Active Hour)、(15)Pro Self-Hosted Open Edition(Apache 2.0/2024 OSS化)、(16)Pro Sync Service Docker Container + Console Web UI、(17)Pro 採用: Pro Mobile Offline-First/Field Service/Healthcare/Logistics、(18)累計2023-2026年3年Heritage Pro Top独占。
主な特徴・仕組み
- GA: 2024 PowerSync + MongoDB Connector + MySQL Connector + Open Edition
- PowerSync Inc.: 米国Chicago + 2023設立 + Conrad Hofmeyr + Ralf Kistner(JourneyApps出身)
- Pro 業界Pro Mainstream Multi-Source DB→Mobile SQLite Offline-First Sync先駆
- Source DB Postgres + MongoDB + MySQL
- Client SQLite(wa-sqlite Browser/SQLCipher Mobile)
- Bucket-based Sync Rule YAML定義 + 行レベル指定
- Real-time WebSocket Sync + Conflict Resolution LWW + Custom
- Optimistic UI + Local Reads/Writes + Background Upload Queue
- Native iOS/Android/Web/Flutter/React Native対応
- powersync-react/flutter/kotlin/swift SDK
- Drizzle ORM対応(JavaScript)
- Authentication Custom JWT/Supabase/Auth0/Firebase
- Authorization Sync Rule内行レベル
- Hosted Cloud Free MAU 1,000 + $0.01/MAU + Active Hour
- Self-Hosted Open Edition Apache 2.0(2024 OSS化)
- Sync Service Docker Container + Console Web UI
- 採用: Pro Mobile Offline-First/Field Service/Healthcare/Logistics
- 累計2023-2026年3年Heritage
スペック比較表
| Mobile Sync | Source DB | Client DB | SDK | 価格 |
|---|---|---|---|---|
| PowerSync | Postgres + MongoDB + MySQL | SQLite(wa-sqlite/SQLCipher) | iOS/Android/Flutter/RN/Web | Free MAU 1K + $0.01/MAU + OSS |
| ElectricSQL | Postgres | SQLite/PGlite | React/Vue/Svelte/Expo | Apache 2.0 OSS |
| Replicache | Push/Pull HTTP | IndexedDB | React/Vue | Free + Subscription |
| WatermelonDB | 任意 Backend | SQLite/IndexedDB | React Native + Web | MIT OSS |
| Realm Sync (MongoDB) | MongoDB Atlas | Realm | iOS/Android/JS | $0 + Atlas従量 |
具体例・対応製品
- PowerSync GA + MongoDB/MySQL Connector + Open Edition (2024): Multi-Source DB→Mobile SQLite Offline-First Sync先駆
- 設立 (2023): Conrad Hofmeyr + Ralf Kistner(JourneyApps出身)
- PowerSync GA + Apache 2.0 Open Edition (2024)
- PowerSync Postgres on Edge + Cloudflare Workers連携 (2025予定)
- 採用: Pro Mobile Offline-First/Field Service/Healthcare/Logistics
自作PCでの選び方・注意点
PowerSync選択ポイント: (1)Pro Multi-Source DB→Mobile SQLite Offline-First Sync先駆 + 3年Heritage、(2)Pro PowerSync米国Chicago + Pro 2023設立 + Pro Conrad Hofmeyr + Ralf Kistner(JourneyApps出身)、(3)Pro Source DB Postgres + MongoDB + MySQL + Pro Client SQLite(wa-sqlite Browser/SQLCipher Mobile) + Pro Bucket-based Sync Rule YAML定義 + 行レベル指定、(4)Pro Real-time WebSocket Sync + Pro Conflict Resolution LWW + Custom + Pro Optimistic UI + Local Reads/Writes + Background Upload Queue + Pro Native iOS/Android/Web/Flutter/React Native対応、(5)Pro Hosted Cloud Free MAU 1,000 + $0.01/MAU + Pro Self-Hosted Open Edition Apache 2.0 + Pro Mobile Offline-First/Field Service/Healthcare/Logistics採用 真価発揮。
関連用語との違い
ElectricSQL Local-First Sync (2024): ElectricSQL + Pro Postgres↔Embedded DB Local-First Sync Engine先駆 + Pro Apache 2.0 OSS + 累計2022-2026年4年Heritage。PowerSync(2024 GA + PowerSync Inc. + Pro Multi-Source DB→Mobile SQLite Offline-First Sync先駆 + Pro Free MAU 1K + $0.01/MAU + 累計3年Heritage)競合 + 直接競合 + Pro ElectricSQL → Pro PowerSync + Pro Postgres特化 → Pro Postgres+MongoDB+MySQL Multi-Source + Pro Shape-based → Pro Bucket-based Sync Rule + Pro Postgres RLS → Pro Sync Rule内Auth + 4年 vs 3年Heritage。
WatermelonDB: Nozbe + Pro React Native + Web SQLite/IndexedDB Offline DB先駆 + Pro MIT OSS + 累計2017-2026年9年Heritage。PowerSync(2024 GA + PowerSync Inc. + Pro Multi-Source DB→Mobile SQLite Offline-First Sync先駆 + Pro Free MAU 1K + 累計3年Heritage)競合 + 直接競合 + Pro WatermelonDB → Pro PowerSync + Pro 任意Backend → Pro Postgres+MongoDB+MySQL特化 + Pro 自前Sync Layer → Pro 完成Sync Engine + 9年 vs 3年Heritage。
よくある質問(FAQ)
Q1: Pro Multi-Source DB→Mobile SQLite Offline-First Sync先駆 + 3年Heritage 効果? A: 2024 PowerSync GA + MongoDB/MySQL Connector + Open Edition発売Pro Famous Story類無し + Pro 業界Pro Mainstream Multi-Source DB→Mobile SQLite Offline-First Sync先駆 + 累計2023-2026年3年Pro Mainstream Mobile Sync Engine業界Top独占Heritage Pro Reference。
Q2: Pro Postgres+MongoDB+MySQL + Pro SQLite Client + Pro Bucket-based Sync Rule + Pro Native Mobile SDK4種 + Pro Apache 2.0 OSS + Pro $0.01/MAU 効果? A: Pro Source DB Postgres + MongoDB + MySQL + Pro Client SQLite(wa-sqlite Browser/SQLCipher Mobile) + Pro Bucket-based Sync Rule(YAML Sync Rule定義/行レベル指定) + Pro Real-time WebSocket Sync + Pro Conflict Resolution(LWW + Custom Server-side) + Pro Optimistic UI + Local Reads/Writes + Background Upload Queue + Pro Native iOS/Android/Web/Flutter/React Native対応 + Pro powersync-react/flutter/kotlin/swift SDK + Pro Drizzle ORM対応 + Pro Authentication(Custom JWT/Supabase/Auth0/Firebase) + Pro Authorization(Sync Rule内行レベルAuth) + Pro Hosted Cloud(Free MAU 1,000 + $0.01/MAU) + Pro Self-Hosted Open Edition(Apache 2.0) + Pro Sync Service Docker + Console Web UI Heritage Pro Reference。
Q3: Pro Mobile Offline-First/Field Service/Healthcare/Logistics採用 効果? A: Pro 採用: Pro Mobile Offline-First/Field Service/Healthcare/Logistics + Pro PowerSync系譜(設立 2023/GA + MongoDB/MySQL Connector + Open Edition 2024/Postgres on Edge + Cloudflare Workers 2025予定継承) + Pro Multi-Generation Heritage Pro Reference。
まとめ
- 2024 PowerSync GA + MongoDB/MySQL Connector + Open Edition、Pro Multi-Source DB→Mobile SQLite Offline-First Sync先駆
- PowerSync Inc. 米国Chicago + 2023設立 + Conrad Hofmeyr + Ralf Kistner(JourneyApps出身)
- Postgres+MongoDB+MySQL Source + SQLite Client + Bucket-based Sync Rule
- Native iOS/Android/Flutter/React Native + Drizzle ORM対応
- Self-Hosted Apache 2.0 + Hosted Free MAU 1K + $0.01/MAU + 3年Heritage