WhatsBuddy vs PDF Flow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WhatsBuddy
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1.自動回覆訊息: 24小時幫你自動回覆查詢, 非辦公時間都可以繼續做生意 2. 群發分類推廣: 一鍵立即廣發推廣, 推送最新優惠, 刷新營業額 亦可分類推廣訊息, 向不同客戶群發送針對性訊息 3. 自動推送通知: 自動出單系統, 仲會幫你提醒未付款既客人, 優化客服 4. 支援多人客服: 同時用唔同電話登入公司帳號, 集中管理客人查詢。 統一使用公司號碼, 加強公司與客人的連結
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: WhatsBuddy at none against PDF Flow's shown. WhatsBuddy also leads on iOS requirement (13.4 vs 16.6). PDF Flow's advantage is update cadence (every 3 weeks vs every 2 months). 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.
WhatsBuddy ships an update every 2 months, PDF Flow every 3 weeks. The most recent releases landed on September 19, 2026 and September 24, 2026 respectively.
| Parameter | WhatsBuddy | 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 2 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.4 — better | 16.6 |
| Further details — not scored | ||
| Size | 21 MB | 75 MB |
| Age rating | 4+ | 4+ |
| Developer | Excellence Power Technology Limited | Fuzhou Qingyue Network Technology Co., Ltd. |
In-app purchases
WhatsBuddy
No in-app purchases
PDF Flow
No in-app purchases
