Linky vs PDF Flow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Linky
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「Linky(リンキー)」は、必要な予定を必要な人にだけ共有できる、新しいスケジュール管理アプリです。 家族や友人とすべての予定を見せ合う必要はありません。 Linky なら「この予定だけ、この人と」をシンプルに実現します。 ■ 主な機能 【予定共有】 ・1つの予定を、指定した友達とだけ共有 ・共有された予定はお互いに編集可能 ・リアルタイムで変更が反映 【今日の予定をロック画面に】 ・今日の予定を1枚の壁紙画像に出力 ・iOS のショートカット連携で自動更新 ・タスクのマトリクス(今日・後日・必須・任意)も表示 【ToDo タスク管理】 ・4 象限マトリクスでタスクを分類 ・今日・必須/今日・任意/後日・必須/後日・保留 ・サブタスクで階層管理 ・期限切れタスクは自動ハイライト 【カレンダー】 ・iOS 標準カレンダーと完全同期 ・予定にラベル(色)を付けて視覚的に管理 ・複数日・繰り返し予定にも対応 【シンプルなフレンド機能】 ・QRコード or ID 検索で友達追加 ・グループ作成で複数人に一括共有 ■ こんな人におすすめ ・家族や恋人と一部の予定だけ共有したい ・カレンダーアプリの「すべて見える」感が苦手 ・ロック画面で今日の予定をパッと確認したい ・タスクを優先度で整理したい ■ プライバシー すべてのデータは安全に保管され、共有相手以外には公開されません。 位置情報や連絡先は取得しません。 「必要な予定を、必要な人へ」 Linky で、もっとシンプルな共有を。
PDF Flow
This app is an offline PDF tool for creating, viewing, editing, and organizing PDF documents directly on your device. Generate PDFs from photos or text, edit pages, compress files, and manage your local library without needing an account or uploading your data.
- Create PDFs from photos, text, or blank pages
- Edit PDF pages, insert or remove pages
- Compress PDFs with adjustable strength
- Organize files with categories and favorites
- Offline file management and editing
- Import and export via Files app and share sheet
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PDF Flow is your private offline PDF tool for viewing, creating, editing and storing PDFs on your phone. Generate PDFs from photos, text or blank pages, edit pages in a clear reader view, and save all files on your device. Create PDF files - Merge selected photos into one PDF - Type text and export clean PDF documents - Create blank PDFs with custom page numbers - Import PDFs and images from the Files app Read & edit PDF pages - Read documents continuously, navigate quickly with page thumbnails - Zoom in/out for clearer reading - Insert blank pages or add photo pages - Duplicate pages or remove unwanted ones - Modify single pages while keeping your original file intact Compress & share PDFs - Select compression strength to fit your needs - Preview estimated file size before compression - Save a copy of your original document if needed - Export or share PDFs through iOS native share sheet Manage your local file library - Sort files by name, date or file size - Use categories and favorites to filter your documents - Search filenames and view recent searches - Restore deleted files or erase them forever - Clear temporary cache and thumbnails without deleting PDFs All PDF editing, reading, compression and file management happens directly on your iPhone. PDF Flow needs no account and will never upload your files to outside servers. Your documents only leave the app when you actively share them via iOS share functions. Feature performance varies based on file content, format, device hardware and iOS system version.
Screenshots
Verdict
The clearest difference is ads: Linky at none against PDF Flow's shown. Linky also leads on update cadence (every 6 days vs every 3 weeks). PDF Flow's advantage is iOS requirement (16.6 vs 18.0). On price, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Linky ships an update every 6 days, PDF Flow every 3 weeks. The most recent releases landed on September 30, 2026 and October 10, 2026 respectively.
| Parameter | Linky | PDF Flow |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 6 days — better | Every 3 weeks |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.0 | 16.6 — better |
| Further details — not scored | ||
| Size | 10 MB | 75 MB |
| Age rating | 4+ | 4+ |
| Developer | Takamine Dai | Fuzhou Qingyue Network Technology Co., Ltd. |
In-app purchases
Linky
No in-app purchases
PDF Flow
No in-app purchases









