# DV vs MarleyInspections

The clearest difference is rating: MarleyInspections at 5.0 against DV's 3.3. MarleyInspections also leads on update cadence (every 2 weeks vs every 3 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

MarleyInspections holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 7 and 3 respectively.

DV ships an update every 3 months, MarleyInspections every 2 weeks. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | DV | MarleyInspections |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (7 ratings)](https://appshunter.io/ios/app/dv-40s/id977734858/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/marleyinspections/id1041433365/reviews)** |
| Number of ratings | **7** | 3 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 55 MB | 26 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JB Industries, Inc.](https://appshunter.io/developer/977734857) | [SPX Technologies](https://appshunter.io/developer/456725430) |

## 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


### MarleyInspections

[App page](https://appshunter.io/ios/app/marleyinspections/id1041433365)

This app simplifies cooling tower inspections with a guided checklist and report generation. It allows users to add comments, pictures, and recommendations, then compiles everything into a shareable PDF report. The goal is to streamline the inspection process and save time for sales representatives.

**Highlights:** Guided inspection checklist, PDF report generation, Comment and recommendation saving, Integrated photo tool, Email report directly, Pre-saved recommendations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DV free?

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

### Is MarleyInspections free?

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

### Which has better reviews, DV or MarleyInspections?

MarleyInspections is rated higher. DV averages 3.3 out of 5 from 7 ratings, while MarleyInspections averages 5.0 from 3 ratings.

### Do DV or MarleyInspections have ads?

Neither DV nor MarleyInspections shows ads.

### Which is updated more often, DV or MarleyInspections?

DV ships an update every 3 months, and MarleyInspections every 2 weeks. Most recently, DV was updated on November 1, 2026 and MarleyInspections on November 6, 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.*