RoomPlan vs PDF Flow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RoomPlan
Easily create and edit 3D models of your rooms using your device's camera. Automatically generate detailed 3D scans of your space and export them to other 3D software. Offers a free tier for basic use and a Pro tier for advanced editing and export options.
- Create 3D room models
- Scan with rear-facing camera
- Automatic 3D model generation
- Edit 3D models
- Export to 3D software
- Save multiple 3D models
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Introducing RoomPlan - the Interior 3D Scanner that makes it easy to create and edit 3D models of your rooms. Simply use your rear-facing camera to scan your space, and our app will automatically and magically generate a detailed 3D model right before your eyes. With RoomPlan, you can easily see what your room looks like as a 3D model, and export it to other 3d software packages. Our Free Tier allows you to scan, view, and save up to 5 3D models, and export them to Basic file formats such as USDZ and USD. Our Pro Tier gives you the ability to supercharge your scans with powerful editing tools and export your models for further use. Upgrade to Pro now and take your interior design vision to the next level! Pro is available via a one-time In-App-Purchase. No monthly fees, no hidden costs.
PDF Flow
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PDF Flow 是一款專為 iPhone 與 iPad 打造的全功能 PDF 工具。無論是處理工作文件、整理學習資料、還是快速簽署合約,一個 App 就能搞定。 主要功能 • 合併 PDF — 將多份 PDF 合併成一個檔案,可自由調整順序 • 分割 PDF — 依頁數或範圍拆分成多個檔案 • 壓縮 PDF — 降低檔案大小,方便傳送與儲存 • PDF 轉圖片 — 匯出成 JPG 或 PNG,逐頁儲存到照片圖庫 • 加頁碼 — 快速為文件編碼,支援多種位置與格式 • 加浮水印 — 文字浮水印保護你的文件 • 電子簽名 — 手寫簽名直接疊加到 PDF 上 • 重新排序 — 拖拉調整頁面順序 • 批次處理 — 一次處理多份檔案,節省時間 為什麼選 PDF Flow v 完全離線處理,檔案不上傳雲端,隱私零疑慮 v 無廣告、無干擾 v 支援 iPhone 與 iPad,介面簡潔直覺 v 支援從「檔案」、郵件、Safari 等 App 直接匯入 PDF v 原生 Swift 開發,快速流暢 適合誰 • 需要整理合約、報告的上班族 • 處理課程講義、作業的學生 • 快速簽署電子文件的自由工作者 • 任何希望在手機/平板上處理 PDF 的使用者 如有問題或功能建議,歡迎來信告訴我們,我們會持續更新。
Screenshots
Verdict
The clearest difference is update cadence: PDF Flow at every 10 days against RoomPlan's every 3 weeks. On price, ads, 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. RoomPlan sells 2 one-off in-app purchases and PDF Flow sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
RoomPlan ships an update every 3 weeks, PDF Flow every 10 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | RoomPlan | PDF Flow |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (101 ratings) — better | — |
| Positive reviews | 30.6% of reviews | — |
| Number of ratings | 101 — better | — |
| Update frequency | Every 3 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 50 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Heliogram Labs | Chi-Feng Chien |
In-app purchases
RoomPlan
- RoomPlan Pro$4.99
- RoomPlan Pro$6.99
PDF Flow
- PDF Flow$2.99








