Comparison

PowerReader Lite vs Stud Finder

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PowerReader Lite

This application allows users to view a wide range of document and image file formats, including text, PDF, and office documents. It offers features like full-text search, online translation, and automatic saving of reading progress. The app supports landscape mode and various text encoding options for a comfortable reading experience.

Highlights
  • Supports txt, pdf, png, jpg, doc, xls, ppt, and more
  • Landscape view mode
  • Diverse text encoding options
  • Full text search
  • Online translation engine
  • Automatically saves last reading point
Features
Read full description

PowerReader is a simple but powerful reading tool.
 Features: 
 - It is available to view the files with various formats as below: txt, pdf, png, jpg, tiff, gif, bmp, htm, html, doc, xls, ppt, docx, xlsx, pptx. - Supports landscape view mode. - Diverse kinds of encoding for txt reading. - Turning pages forward or backward quickly. - Uploading files through iTunes. - Automatic line breaks. 
 - Full text search, you can easily search the entire text. - Online Translation engine. - Automatically save the last reading point. - Automatically separate the big txt file to accelerate the access speed - More features in full edition: - It is also available to play mp3 & mp4 files. - Supports Google docs downloading. - Supports "Open-in" feature, you can open the supported data from mail, safari or some other APPs that supported open-in feature. - Various types of font for txt reading. - Text color and background color setting. - Bookmark feature. - Single/multi page display for PDF viewer.

About

Stud Finder

Features
Read full description

Find what’s behind your walls with Stud Finder – the smart wall scanning tool for iPhone. Designed for home improvement, DIY, and professional construction, this app helps you detect studs, track scans, and use advanced tools with accuracy. Stud Scan Mode Detect studs in walls with live depth estimation. The scanning engine makes it easy to locate studs and identify safe drilling or mounting points. Camera Scan Assist Use your iPhone’s camera to visualize scans in real time. The on-screen guide overlays detection results directly on your wall, making scanning simple and intuitive. Scan History Save every wall detection into history. Review previous scans, compare results, and track your progress over multiple projects. Construction Toolbox Access a complete toolbox built for construction work. Features include calibration, measurement, digital level, material guides, and calculators to support all your projects. App Settings Customize your experience with adjustable alerts, units, sensitivity controls, and auto-save options. Tailor the app to your workflow and project needs. Why Choose Stud Finder? Accurate stud scan mode with depth feedback Camera-based scan visualization Saved history for future reference Built-in construction tools and calculators Customizable settings for precision Whether you are hanging shelves, mounting a TV, or working on a full renovation, Stud Finder provides the tools you need to scan walls and build with confidence. -- Download Stud Finder today and make every project safer, faster, and more accurate. Subscription Plans : Unlock all advanced features with our flexible subscription options. Choose between a monthly plan or a yearly plan, both designed to fit your needs. Every plan comes with a free 3-day trial, giving you the chance to explore the full app experience before committing. Subscriptions renew automatically unless cancelled in your iOS settings. Disclaimer: This app is optimized for detecting metal studs. Detection of other types of studs or materials (such as wood or composite) may not be accurate. For best results, use the app primarily for identifying metal structures behind walls. Term Of User : https://sites.google.com/view/term-of-use-stud-finder/home Privacy Policy : https://sites.google.com/view/stud-finder-app-privacy-policy/home

Screenshots

PowerReader Lite4 screens
Stud Finder4 screens

Verdict

The call

The clearest difference is in-app purchases: PowerReader Lite at none against Stud Finder's 3. PowerReader Lite also leads on update cadence (every 10 days vs every 4 months) and iOS requirement (8.0 vs 12.0). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Stud Finder sells 3 in-app purchases, starting at $1.99 per 7 days. PowerReader Lite asks for nothing beyond the download.

UpkeepUpdate frequency

PowerReader Lite ships an update every 10 days, Stud Finder every 4 months. The most recent releases landed on August 27, 2026 and September 19, 2026 respectively.

Scorecard3 real differences · 7 level
PowerReader Lite versus Stud Finder: the parameters behind the verdict, then further details
ParameterPowerReader LiteStud Finder
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews28.6% of reviews—
Number of ratings1 — better—
Update frequencyEvery 10 days — betterEvery 4 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS8.0 — better12.0
Further details — not scored
Size9 MB39 MB
Age rating4+4+
Developer冠兰 姜CODIGITAL SOLUTIONS

In-app purchases

None

PowerReader Lite

No in-app purchases

3 purchases

Stud Finder

Subscriptions3
  • Pro Access$1.997 Days
  • Monthly Pro$4.991 Month
  • Pro Anual$29.991 Year

Questions

Is PowerReader Lite free?
PowerReader Lite is free to download, with no in-app purchases.
Is Stud Finder free?
Stud Finder is free to download, with in-app purchases available.
Do PowerReader Lite or Stud Finder have ads?
Neither PowerReader Lite nor Stud Finder shows ads.
Which is updated more often, PowerReader Lite or Stud Finder?
PowerReader Lite ships an update every 10 days, and Stud Finder every 4 months. Most recently, PowerReader Lite was updated on August 27, 2026 and Stud Finder on September 19, 2026.

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