# Mouser vs Datasheet (PDF)

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

Mouser ships an update monthly, Datasheet (PDF) every 3 months. The most recent releases landed on October 20, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Mouser | Datasheet (PDF) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (34 ratings)](https://appshunter.io/ios/app/mouser/id465777531/reviews) | **[3.7 (3 ratings)](https://appshunter.io/ios/app/datasheet-pdf-alldatasheet/id1068022733/reviews)** |
| Number of ratings | **34** | 3 |
| Positive reviews | 17.9% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | Free |
| Size | 97 MB | 1 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mouser Electronics](https://appshunter.io/developer/465777534) | [INTERBIRD Inc.](https://appshunter.io/developer/467004229) |

## What reviewers say

### Mouser

[App page](https://appshunter.io/ios/app/mouser/id465777531)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Great performance on lookups
- 👍 Useful as a catalog search tool
- 👍 Filtering on point
- 👍 Stable and functional

**What reviewers complain about**

- 😞 Useless without login
- 😞 Can't login to account
- 😞 App crashes
- 😞 Difficult to use
- 😞 Poor search

**Reported bugs**

- 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

**Requested features**

- 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


### Datasheet (PDF)

[App page](https://appshunter.io/ios/app/datasheet-pdf-alldatasheet/id1068022733)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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 20, 2026 and Datasheet (PDF) on October 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*