# DV vs YJACK VIEW

The clearest difference is review sentiment: DV at 67% against YJACK VIEW's 30%. DV also leads on rating (3.3 vs 2.9) and iOS requirement (11.0 vs 15.6). On price, ratings volume, update cadence and ads there is nothing between them.

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

DV holds the better App Store score, 3.3 against 2.9. Both are backed by a comparable volume of ratings — 7 and 19 respectively. Written reviews point the same way: 67% of DV's written reviews are positive against 30% of YJACK VIEW's.

DV ships an update every 3 months, YJACK VIEW every 5 months. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | DV | YJACK VIEW |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (7 ratings)](https://appshunter.io/ios/app/dv-40s/id977734858/reviews)** | [2.9 (19 ratings)](https://appshunter.io/ios/app/yjack-view/id1492358956/reviews) |
| Number of ratings | 7 | **19** |
| Positive reviews | **66.7% of reviews** | 30.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 55 MB | 18 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JB Industries, Inc.](https://appshunter.io/developer/977734857) | [YELLOW JACKET](https://appshunter.io/developer/924701171) |

## What reviewers say

### DV

[App page](https://appshunter.io/ios/app/dv-40s/id977734858)

This application displays real-time vacuum measurements from a wireless micron gauge. It offers advanced features like alarming, customizable themes, unit options, job timers, and data logging with email export capabilities.

**Highlights:** Wireless micron gauge integration, Real-time vacuum measurement display, Alarming capabilities, Customizable colored themes, Unit of measure options, Job timers, Data logging with save and email functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### YJACK VIEW

[App page](https://appshunter.io/ios/app/yjack-view/id1492358956)

This app provides a comprehensive HVAC/R diagnostic solution by integrating with specialized hardware. It allows users to view live data, create and share service reports, and perform detailed system analysis for pressure, temperature, evacuation, and more.

**Highlights:** Live data monitoring, Customizable PDF service reports, Enhanced datalogging, Pressure and temperature analysis, Evacuation monitoring, Psychrometric analysis, Electrical readings

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

**In-app purchases:** none


## Frequently asked questions

### Is DV free?

DV is free to download, with no in-app purchases.

### Is YJACK VIEW free?

YJACK VIEW is free to download, with no in-app purchases.

### Which has better reviews, DV or YJACK VIEW?

DV is rated higher. DV averages 3.3 out of 5 from 7 ratings, while YJACK VIEW averages 2.9 from 19 ratings.

### Do DV or YJACK VIEW have ads?

Neither DV nor YJACK VIEW shows ads.

### Which is updated more often, DV or YJACK VIEW?

DV ships an update every 3 months, and YJACK VIEW every 5 months. Most recently, DV was updated on October 13, 2026 and YJACK VIEW on October 10, 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.*