Comparison

Mouser vs Datasheet (PDF)

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

Head to head
About

Mouser

Easily find and browse the latest semiconductors and electronic components for your designs. Search by category, date, or manufacturer, and view real-time stock availability. Build shopping baskets, manage projects, and access your account for order history and status.

Highlights
  • Browse new products by date, category, manufacturer
  • Search and filter electronic components
  • View real-time stock availability and pricing
  • Build shopping baskets and manage projects
  • Access My Mouser account for order history
  • Barcode scanner for quick product lookup
  • Bookmark products for quick access
Features
Read full description

The Mouser app allows you to easily access the newest semiconductors and electronic components for your designs. Easily browse the newest products by date, category or manufacturer. Find products and view stock availability through a user-friendly search or built-in barcode scanner with the ability to build a shopping basket or project to checkout online. Use the app to access your My Mouser account to view order history, order details, and order status information. You can also bookmark products or add them to projects for quick access or to review offline. Always stay connected to Mouser and the newest products for your latest designs. 
 Features: - Access your My Mouser account to view order history, details, and status - Find and view new products by category, date and manufacturer - Search for products by filtering and sorting results - Build a shopping basket by adding products from across the application - The product search tool allows you to refine your search and apply attributes to find components easily - Keep track of your projects by building groups of parts into separate lists - Scan Mouser's barcode to quickly find your product - Bookmark products for quick access - Store products and parts to view later in projects and bookmarks - View full product specification and up-to-date pricing - Find real-time stock availability - Conversion Calculators

About

Datasheet (PDF)

Access a vast online search engine for electronic component datasheets. Find semiconductor information quickly and easily with over 50 million datasheets available. This tool is designed for engineers and developers needing fast, effective access to technical data.

Highlights
  • Over 50 million semiconductor datasheets
  • 60,000+ datasheets updated monthly
  • Fast and easy search
  • No registration required
  • Free access to all datasheets
Features
Read full description

If you cannot find a datasheet here, you will be hard-pressed to find it anywhere else. Alldatasheet is a datasheet search and PDF download app that gives you access to the world’s largest collection of semiconductor and electronic component datasheets, along with distributor pricing and manufacturer part numbers. Search by part number and download datasheets in PDF format, all for free. Our powerful search tools help you find the information you need quickly and accurately. Install Alldatasheet today. Features and Services Bookmarks Save your frequently used part numbers and datasheet pages as bookmarks. Easily add or remove bookmarks whenever you need to. View Without Downloading View datasheets directly in the app without downloading the PDF files. Offline Access Download datasheet PDFs and open the saved files without an internet connection or having to launch the Alldatasheet app. About ALLDATASHEET.COM ALLDATASHEET.COM is the world’s largest online datasheet search engine for electronic components. Over 50 million semiconductor datasheets. Over 60,000 datasheets updated every month. More than 12 million searches per month. Over 25 million impressions per month. Over 8.6 million visits per month from users worldwide. Over 4.9 million unique visitors per month.

Screenshots

Mouser4 screens
Datasheet (PDF)4 screens

Verdict

The call

The clearest difference is review sentiment: Datasheet (PDF) at 75% against Mouser's 18%. Datasheet (PDF) also leads on rating (3.7 vs 2.4) and iOS requirement (13.0 vs 15.6). Mouser's advantage is update cadence (monthly vs every 3 months) and ratings volume (34 vs 3). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Datasheet (PDF) holds the better App Store score, 3.7 against 2.4. That said, the two scores are not equally well evidenced: Mouser has 34 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 18% of Mouser's written reviews are positive against 75% of Datasheet (PDF)'s.

UpkeepUpdate frequency

Mouser ships an update monthly, Datasheet (PDF) every 3 months. The most recent releases landed on October 16, 2026 and October 3, 2026 respectively.

Scorecard5 real differences · 5 level
Mouser versus Datasheet (PDF): the parameters behind the verdict, then further details
ParameterMouserDatasheet (PDF)
PriceFreeFree
Rating2.4 (34 ratings)3.7 (3 ratings) — better
Positive reviews17.9% of reviews75.0% of reviews — better
Number of ratings34 — better3
Update frequencyMonthly — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.613.0 — better
Further details — not scored
Size97 MB1 MB
Age rating4+4+
DeveloperMouser ElectronicsINTERBIRD Inc.

Customer experience

Mouser

All ratings34 ratings
Positive32.4%
Neutral5.9%
Negative61.8%
Written reviews67 reviews
Positive17.9%
Neutral13.4%
Negative68.7%

Datasheet (PDF)

All ratings3 ratings
Positive66.7%
Neutral33.3%
Negative0.0%
Written reviews4 reviews
Positive75.0%
Neutral25.0%
Negative0.0%

Bugs and requests

Mouser

Reported bugs

19 issues
  • Projects that exist on the website are not displayed in the app.
  • Username is fine, but email doesn’t work for login
  • The barcode scanned does not work. Anything you scan brings up a totally wrong product.
  • Can’t be synced to user account
  • Can’t login to mouser account
Show 14 more
  • Sur les outils, les conversion sont impossibles avec les décimales car sur le pavé numérique est afficher une virgule(,) alors que le l’application ne fonctionne qu’avec le point.
  • This app immediately logs you out when you go to “my orders”, basically rendering the core functionality completely useless
  • Crashes when searching
  • Carts do not sync with website
  • The issues stated in the old reviews appear to have been fixed.
  • The app cannot find Mouser part numbers that are immediately found using a desktop computer.
  • App crashes every time I try to view component data sheets or documentation.
  • Newest Products links in the iOS app do not work. They just bring you to the main menu.
  • Can't access my cart in latest update.
  • When you have so many products - it takes considerable effort to pare down to what you need. Then start adding to the cart. One mistaken press and you are doing it all over. It’s maddening.
  • The app kind of opens the website within itself but also has a few of its own buttons so you’re never quite sure were you’re meant to click.
  • If you want to buy a part you have to go to the Mouser web site.
  • The app isn't iOS 7 optimized and really is only their website in a browser, aside from the scanner.
  • Part number search takes you to a page in the catalog, instead of to the product description or part spec sheet.

Requested features

23 requests
  • Add support for saved baskets
  • Add wire gauge calculator converter
  • Ability to sign in to current account
  • Add login/account feature for order history and saved projects
  • Add sign in to accounts
Show 18 more
  • Add update order status function
  • Add filters and sorting
  • Add categories, make UI near and clean
  • Allow login and manage projects
  • Add online buying and cart sharing
  • Add parametric search
  • Add pricing on results page
  • Add sorting via price
  • Add ability to log in to view projects
  • Add filtering
  • Add dark mode option
  • Add advanced analytics dashboard
  • Add account integration
  • Add ability to buy through the app with Mouser account
  • Add ability to change language
  • Add mobile-friendly UI
  • Add ability to pick parts on mobile
  • Add ability to zoom and pick parts

Datasheet (PDF)

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Mouser

No in-app purchases

None

Datasheet (PDF)

No in-app purchases

Questions

Is Mouser free?
Mouser is free to download, with no in-app purchases.
Is Datasheet (PDF) free?
Datasheet (PDF) is free to download, with no in-app purchases.
Which has better reviews, Mouser or Datasheet (PDF)?
Datasheet (PDF) is rated higher. Mouser averages 2.4 out of 5 from 34 ratings, while Datasheet (PDF) averages 3.7 from 3 ratings.
Do Mouser or Datasheet (PDF) have ads?
Neither Mouser nor Datasheet (PDF) shows ads.
Which is updated more often, Mouser or Datasheet (PDF)?
Mouser ships an update monthly, and Datasheet (PDF) every 3 months. Most recently, Mouser was updated on October 16, 2026 and Datasheet (PDF) on October 3, 2026.

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