# ExView® W vs DB50X

The clearest difference is price: ExView® W at Free against DB50X's $9.99. ExView® W also leads on iOS requirement (8.0 vs 14.0). DB50X's advantage is ratings volume (9 vs 1). On rating, ads, in-app purchases and device support there is nothing between them.

ExView® W is free to download; DB50X costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for ExView® W against 5.0 for DB50X. That said, the two scores are not equally well evidenced: DB50X has 9 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | ExView® W | DB50X |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/exview-w-series/id1354801068/reviews) | [5.0 (9 ratings)](https://appshunter.io/ios/app/db50x/id6625971367/reviews) |
| Number of ratings | 1 | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | **Free** | Paid |
| Size | 16 MB | 7 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Extech Instruments](https://appshunter.io/developer/966942122) | [Christophe de Dinechin](https://appshunter.io/developer/1761608161) |

## What reviewers say

### ExView® W

[App page](https://appshunter.io/ios/app/exview-w-series/id1354801068)

Stream and record data from compatible wireless meters to your iPhone or iPad. Adjust sample rates, export data to Excel, and capture images of your measurement area. Store thousands of readings for later download and analysis.

**Highlights:** Real-time data streaming, Remote viewing, Adjustable sample rate, Excel data export, Data file sharing, Measurement area snapshots, Large reading storage

**In-app purchases:** none


### DB50X

[App page](https://appshunter.io/ios/app/db50x/id6625971367)

This scientific calculator offers high-precision computations with arbitrary precision for numbers. It supports advanced functions like complex numbers, matrices, symbolic calculations, and graphing, with a user-friendly interface and extensive built-in help.

**Highlights:** Arbitrary precision calculations, RPN and algebraic operations, Complex numbers, vectors, matrices, Symbolic and numerical solving, Graphing and plotting, Engineering units and constants, Unicode text support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ExView® W free?

ExView® W is free to download, with no in-app purchases.

### Is DB50X free?

DB50X costs $9.99, with no in-app purchases.

### Which has better reviews, ExView® W or DB50X?

ExView® W and DB50X are both rated 5.0 out of 5 on the App Store, from 1 and 9 ratings respectively.

### Do ExView® W or DB50X have ads?

Neither ExView® W nor DB50X shows ads.

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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.*