RDB情報 vs HTML Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RDB情報
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RDB（リレーショナルデータベース）にクエリ（問い合わせ）を行い、結果を返します。 SQLiteのDBを取り込み情報を表示します。 取り込んだSQL文を修正して実行できます。
HTML Viewer
Inspect and analyze the HTML source code of any website or local files. Features include element inspection, syntax highlighting, and multi-tab support for efficient workflow. Ideal for developers and students learning web technologies.
- View website source code
- Inspect elements
- Open local/iCloud HTML files
- Multiple tabs support
- Syntax highlighting
- Search and copy code
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Inspect Website Source Code, Syntax Highlighting & More – Ad-Free with "HTML Viewer: View Source". "HTML Viewer: View Source" is the perfect tool for developers, students, and curious minds who want to view, inspect, and analyze HTML code on the go — with no ads, ever. Key Features: ► View Source Code Instantly: Load and inspect the HTML source of any website. ► Inspect Elements: Tap into any part of the page to reveal the underlying HTML – just like browser dev tools. ► Open Local or iCloud HTML Files: Easily access saved HTML files from your device or iCloud Drive. ► Multiple Tabs Support: Work on multiple files or websites at once – perfect for multitaskers. ► Syntax Highlighting: Enjoy beautifully formatted code that’s easy to read and navigate. ► Search & Copy Code: Find what you need in a flash and copy snippets effortlessly. Whether you're debugging, learning HTML, or just curious how a webpage works, HTML Viewer: View Source delivers a smooth, professional experience — all ad-free. I love feedback! Get in touch with me at support@umango.in. Check out our privacy policy at https://sites.google.com/view/html-inspector/privacy-policy and our terms of use at https://www.apple.com/legal/internet-services/itunes/dev/stdeula
Screenshots
Verdict
The clearest difference is in-app purchases: RDB情報 at none against HTML Viewer's 4. HTML Viewer's advantage is ads (none vs shown) and update cadence (every 8 days vs every 2 months). On price 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. HTML Viewer sells 4 in-app purchases, starting at $14.99 per year. RDB情報 asks for nothing beyond the download.
RDB情報 ships an update every 2 months, HTML Viewer every 8 days. The most recent releases landed on September 21, 2026 and September 28, 2026 respectively.
| Parameter | RDB情報 | HTML Viewer |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.6 (9 ratings) — better |
| Positive reviews | — | 25.0% of reviews |
| Number of ratings | — | 9 — better |
| Update frequency | Every 2 months | Every 8 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Best chart rank | — | #52 — better |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 26.5 | 13.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 84 MB |
| Age rating | 4+ | 17+ |
| Developer | KAZUTOSHI KINOSHITA | Utsav Mangla |
In-app purchases
RDB情報
No in-app purchases
HTML Viewer
- HTML Viewer - All access - Mid$14.991 Year
- HTML Viewer - All access - Max14 Days trial$19.991 Year
- HTML Viewer - All access - Max$19.991 Year
- HTML Viewer - Lifetime$9.99
