Comparison

PDF Reader vs Scale for Grams & Oz

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

Head to head
About

PDF Reader

Easily read, annotate, fill, and sign PDF documents on your iPhone or iPad. This all-in-one tool allows for convenient document management, sharing, and printing.

Highlights
  • Read and view PDF files
  • Annotate and mark up PDFs
  • Fill out PDF forms
  • Sign PDF documents
  • Organize and manage PDF files
  • Share and print PDFs
Features
Read full description

Make PDF document management simple with PDF Reader: Edit & Sign PDF. Read, view, annotate, fill, sign, save and share PDF documents directly from your iPhone or iPad. Whether you need to read an important document, add notes, sign a PDF or share a file with colleagues, this PDF Reader and Editor gives you convenient tools to manage your documents anytime, anywhere. ALL-IN-ONE PDF READER & EDITOR Open your PDF documents quickly and enjoy a simple, convenient reading experience. Manage your files and access the documents you need in one place. KEY FEATURES - PDF Reader - Quickly open and view PDF files. - Browse your PDF documents easily. - Navigate through PDF pages. - Access your documents from a simple file list. - PDF Editor & Annotation - Annotate PDF documents. - Add notes and mark up your PDFs. - Customize your PDF documents. - Save your updated PDF files. - Fill & Sign PDF - Fill out PDF documents. - Sign PDF files easily. - Manage important documents conveniently. PDF File Manager - View your PDF files in one simple list. - Delete individual PDF documents. - Remove unwanted PDF files. - Keep your documents organized. - Share & Print PDF - Share PDF documents with friends, family and colleagues. - Send files through email and messaging apps. - Print PDF documents whenever needed. YOUR DOCUMENTS, ALWAYS WITH YOU - PDF Reader: Edit & Sign PDF is a useful document management tool for everyday tasks, work, study and personal use. - Download PDF Reader: Edit & Sign PDF and make managing your PDF documents easier! - We continuously work to improve the app and bring you a better experience. Thank you for using our app! Privacy Policy: https://sites.google.com/view/developer-info/privacy-policy Terms of Use: https://sites.google.com/view/developer-info/terms-of-use

About

Scale for Grams & Oz

Features
Read full description

Point your camera at any object and get its weight in grams — in seconds. No scale needed. Scale for Grams turns your iPhone into an instant AI weight estimator. Snap a photo (or pick one from your library) and get the estimated weight with a realistic min–max range, alternative units (oz, lb, kg, carats), size estimate and a fun fact — on a beautiful, shareable result card. WHAT YOU CAN WEIGH • Food portions — track servings without a kitchen scale • Jewelry & gold — grams and carats from a photo • Mail & parcels — know the postage before the post office • Crafts & resin — mix ratios right the first time • Coffee — dial in your brew anywhere HOW IT WORKS 1. Point your camera at a single object 2. Our AI analyzes the photo 3. Get grams instantly, with a confidence range FEATURES • Instant AI weight estimates in seconds • Grams, ounces, pounds, kilograms and carats • Metric or Imperial — your choice • Full history of everything you weigh • Beautiful result cards you can share • Available in 10 languages PREMIUM SUBSCRIPTION Scale for Grams offers auto-renewing subscriptions (weekly or yearly) for unlimited weight estimates. Prices are shown in the app and charged to your Apple ID account. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://usappstudio.com/privacy-policy Note: weights are AI estimates for everyday convenience — not for legal, medical or commercial use.

Screenshots

PDF Reader4 screens
Scale for Grams & Oz4 screens

Verdict

The call

The clearest difference is in-app purchases: PDF Reader at none against Scale for Grams & Oz's 2. Scale for Grams & Oz's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 5 months). On price, device support and iOS requirement 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. Scale for Grams & Oz sells 2 in-app purchases, starting at $4.99 per 7 days. PDF Reader asks for nothing beyond the download.

UpkeepUpdate frequency

PDF Reader ships an update every 5 months, Scale for Grams & Oz every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 6 level
PDF Reader versus Scale for Grams & Oz: the parameters behind the verdict, then further details
ParameterPDF ReaderScale for Grams & Oz
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 5 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPad — betteriPhone
Requires iOS17.617.0 — better
Further details — not scored
Size5 MB18 MB
Age rating4+4+
DeveloperRahul AlagiyaUgurcan Sevindik

In-app purchases

None

PDF Reader

No in-app purchases

2 purchases

Scale for Grams & Oz

Subscriptions2
  • Scale for Grams Subscription$4.997 Days
  • Scale for Grams Subscription$39.991 Year

Questions

Is PDF Reader free?
PDF Reader is free to download, with no in-app purchases.
Is Scale for Grams & Oz free?
Scale for Grams & Oz is free to download, with in-app purchases available.
Do PDF Reader or Scale for Grams & Oz have ads?
PDF Reader shows ads; Scale for Grams & Oz does not.
Which is updated more often, PDF Reader or Scale for Grams & Oz?
PDF Reader ships an update every 5 months, and Scale for Grams & Oz every 3 weeks. Most recently, PDF Reader was updated on November 3, 2026 and Scale for Grams & Oz on October 31, 2026.

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