PDF Photos ‧ vs nii.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Photos ‧
This app is a comprehensive tool for creating and editing PDFs. It allows you to convert various file types, including images and documents, into PDFs and vice versa. Features include signing, annotating, and converting PDFs to images.
- Convert documents to PDF
- Convert PDF to images (PNG, JPEG, etc.)
- Sign and annotate PDFs
- Scan documents with camera
- Extract text from PDFs
- Convert photos to PDF
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PDF Photos is a simple and powerful PDF converter, scanner, and PDF editor designed to help you create, convert, edit, sign, and manage documents in one place. Convert photos, images, and documents to PDF in seconds. Scan documents with your camera, create professional PDF files, edit existing PDFs, add signatures, and easily convert PDF files into images. PHOTO TO PDF Turn your photos and images into high-quality PDF documents with just a few taps. Select multiple photos, arrange your pages, choose your preferred layout and orientation, and create a PDF that is ready to save, share, or print. PDF CONVERTER Convert your documents and files into PDF quickly and easily. PDF Photos helps you create PDFs from images and supported document formats while keeping your files organized and easy to access. WORD TO PDF Convert Word documents into PDF files for easy sharing, viewing, and printing. Create professional PDF documents without complicated steps. SCAN TO PDF Use your camera to scan documents and turn them into PDF files. Capture important paperwork, receipts, notes, and other documents and keep everything organized digitally. PDF EDITOR Edit and annotate your PDF documents with useful tools. Add text, highlights, drawings, notes, stamps, and other annotations to make your documents easier to review and update. SIGN PDF DOCUMENTS Add your signature directly to PDF documents. Sign forms, agreements, contracts, and other important files quickly and prepare them for sharing. PDF TO IMAGE Convert PDF pages into popular image formats such as PNG, JPEG, GIF, TIFF, ICO, and WEBP. Choose the format that works best for your needs. EASY FILE MANAGEMENT Import files from your device, Files, and supported cloud storage. Keep your documents organized and quickly find the PDF files you need. CREATE AND MANAGE PDFs Whether you need to convert a photo to PDF, scan a document, edit a PDF, sign a file, or convert PDF pages into images, PDF Photos gives you the essential tools in one convenient app. KEY FEATURES • Photo to PDF conversion • Image to PDF conversion • Document to PDF conversion • Word to PDF conversion • Scan documents to PDF • PDF editing and annotation • Add signatures to PDF documents • Add stamps and annotations • PDF to image conversion • Convert PDF to PNG, JPEG, GIF, TIFF, ICO, and WEBP • Customize PDF layout and orientation • Import files from Files, Gallery, and supported cloud storage • Organize and manage your documents • Share your PDF files easily PDF Photos makes everyday document tasks faster and easier. Create PDFs from photos, convert documents, scan paperwork, edit files, sign documents, and manage your PDFs — all from one app.
nii.
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niiは、1人時間のブラウジングに「保存」と「区切り」をつくるブラウザです。 気になったページはokiniiへ。 あとで見たいページはnextniiへ。 見終わったページはfiniishとして記録。 niiでは、検索して、ページを開いて、保存して、見終わるまでの流れをjourniiとしてあとから見返せます。 ただURLを残すだけではなく、どんな流れでそのページにたどり着いたのか、いつ見終わったのかまで、自分のために整理できます。 タブを溜め続けたくないとき。 ブックマークを見返しやすくしたいとき。 気になったURLをワンタップで保存したいとき。 niiは、閲覧履歴をもっと活かすためのプライベートなブラウザです。 個別のfiniish削除やアプリ内データ削除にも対応しています。 Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: nii. at every 4 days against PDF Photos ‧'s every 3 weeks. PDF Photos ‧'s advantage is iOS requirement (14.0 vs 17.0). 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. Neither carries in-app purchases, so what you see is what you pay.
PDF Photos ‧ ships an update every 3 weeks, nii. every 4 days. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.
| Parameter | PDF Photos ‧ | nii. |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (146 ratings) — better | — |
| Positive reviews | 97.1% of reviews | — |
| Number of ratings | 146 — better | — |
| Update frequency | Every 3 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 77 MB | 125 MB |
| Age rating | 4+ | 17+ |
| Developer | Techgear Inc | Shori Kosaka |
In-app purchases
PDF Photos ‧
No in-app purchases
nii.
No in-app purchases









