# Labcheck On The Go vs Castrol Virtual Engineer

The clearest difference is update cadence: Castrol Virtual Engineer at monthly against Labcheck On The Go's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Labcheck On The Go ships an update every 3 months, Castrol Virtual Engineer monthly. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Labcheck On The Go | Castrol Virtual Engineer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/labcheck-on-the-go/id1172937376/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | — |
| Size | 28 MB | 65 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Analysts Inc.](https://appshunter.io/developer/1154499760) | [Help Lightning, Inc](https://appshunter.io/developer/867775339) |

## What reviewers say

### Labcheck On The Go

[App page](https://appshunter.io/ios/app/labcheck-on-the-go/id1172937376)

Access and manage your used oil analysis results on the go. Receive instant notifications for critical samples, set custom severity levels, and add action items or comments based on field inspections. This app enhances fluid analysis service with new technology.

**Highlights:** Instant access to sample inbox, Notifications for critical results, Custom sample result severity levels, Search by make, model, and unit ID, Set action items and comments

**In-app purchases:** none


### Castrol Virtual Engineer

[App page](https://appshunter.io/ios/app/castrol-virtual-engineer/id6474761415)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Labcheck On The Go free?

Labcheck On The Go is free to download, with no in-app purchases.

### Is Castrol Virtual Engineer free?

Castrol Virtual Engineer is free to download, with no in-app purchases.

### Do Labcheck On The Go or Castrol Virtual Engineer have ads?

Neither Labcheck On The Go nor Castrol Virtual Engineer shows ads.

### Which is updated more often, Labcheck On The Go or Castrol Virtual Engineer?

Labcheck On The Go ships an update every 3 months, and Castrol Virtual Engineer monthly. Most recently, Labcheck On The Go was updated on October 24, 2026 and Castrol Virtual Engineer on October 27, 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.*