Comparison

Mouser vs CircuitShepherd

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

CircuitShepherd

Automate electronic circuit design with AI-driven parameter optimization. Define schematics and design goals, and the software finds optimal part values in real-time. Save time on calculations and iterations with this intuitive tool.

Highlights
  • Automated parameter optimization
  • AI-driven circuit engineering
  • Real-time design goal finding
  • Intuitive user interface
  • Schematic definition
  • Part value calculation
Read full description

CircuitShepherd provides you with analog-design superpowers by doing automated parameter optimization it in realtime! It's a novel Electronic Design Automation software for AI driven electronics circuit engineering. You define an arbitrary schematic including specific design goals and CircuitShepherd will find the right part values for you. This is achieved by combining traditional circuit simulation techniques with AI driven parameter estimation algorithms and finally a simple and intuitive user interface. It’s easy to learn, fast to use and it will save you a lot of time by automating your daily calculation and iteration tasks. CircuitShepherd is free to use immediately (with very basic features). The full version with all features enabled is available via in-app purchase (subscription-based). Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.circuitshepherd.com/privacy-policy-iOS.html

Screenshots

Mouser4 screens
CircuitShepherd4 screens

Verdict

The call

The clearest difference is rating: Mouser at 2.4 against CircuitShepherd's 1.5. Mouser also leads on in-app purchases (none vs 1) and review sentiment (18% vs 0%). CircuitShepherd's advantage is update cadence (every 3 weeks vs every 6 weeks). On price, ads, 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. CircuitShepherd sells 1 in-app purchase, starting at $6.99 per month. Mouser asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Mouser holds the better App Store score, 2.4 against 1.5. That said, the two scores are not equally well evidenced: Mouser has 34 ratings behind it against 2, 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 0% of CircuitShepherd's.

UpkeepUpdate frequency

Mouser ships an update every 6 weeks, CircuitShepherd every 3 weeks. The most recent releases landed on September 18, 2026 and June 4, 2026 respectively.

Scorecard6 real differences · 4 level
Mouser versus CircuitShepherd: the parameters behind the verdict, then further details
ParameterMouserCircuitShepherd
PriceFreeFree
Rating2.4 (34 ratings) — better1.5 (2 ratings)
Positive reviews17.9% of reviews — better0.0% of reviews
Number of ratings34 — better2
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.614.0 — better
Further details — not scored
Size97 MB49 MB
Age rating4+4+
DeveloperMouser ElectronicsJosef Woess

Customer experience

Mouser

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

CircuitShepherd

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Mouser

No in-app purchases

1 purchases

CircuitShepherd

Subscriptions1
  • full version$6.991 Month

Questions

Is Mouser free?
Mouser is free to download, with no in-app purchases.
Is CircuitShepherd free?
CircuitShepherd is free to download, with in-app purchases available.
Which has better reviews, Mouser or CircuitShepherd?
Mouser is rated higher. Mouser averages 2.4 out of 5 from 34 ratings, while CircuitShepherd averages 1.5 from 2 ratings.
Do Mouser or CircuitShepherd have ads?
Neither Mouser nor CircuitShepherd shows ads.
Which is updated more often, Mouser or CircuitShepherd?
Mouser ships an update every 6 weeks, and CircuitShepherd every 3 weeks. Most recently, Mouser was updated on September 18, 2026 and CircuitShepherd on June 4, 2026.

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