# AirProbe D86 vs MarsMD Toolbox

The clearest difference is update cadence: AirProbe D86 at every 6 weeks against MarsMD Toolbox's every 37 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.

AirProbe D86 ships an update every 6 weeks, MarsMD Toolbox every 37 months. The most recent releases landed on September 17, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | AirProbe D86 | MarsMD Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/airprobe-d86/id1340899042/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 37 months |
| Monetization | Free | — |
| Size | 14 MB | 18 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ORBIS BV](https://appshunter.io/developer/602147201) | [ANDRII CHEKHIVSKYI](https://appshunter.io/developer/1654707129) |

## What reviewers say

### AirProbe D86

[App page](https://appshunter.io/ios/app/airprobe-d86/id1340899042)

This application facilitates digital temperature measurement for manual distillation tests, specifically for petroleum products. It allows users to record temperature, time, and speed at defined volume points with a single tap, and offers features for creating and editing distillation methods. The app automatically corrects temperature readings for barometric pressure and thermometer lag, and includes a calibration menu.

**Highlights:** Digital temperature measurement, ASTM D86/D1078/D850 compliant, Record temperature, time, and speed, Create and edit distillation methods, Automatic temperature correction, Device and PT-100 calibration

**Features:** macOS Compatibility

**In-app purchases:** none


### MarsMD Toolbox

[App page](https://appshunter.io/ios/app/marsmd-toolbox/id6444441313)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AirProbe D86 free?

AirProbe D86 is free to download, with no in-app purchases.

### Is MarsMD Toolbox free?

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

### Do AirProbe D86 or MarsMD Toolbox have ads?

Neither AirProbe D86 nor MarsMD Toolbox shows ads.

### Which is updated more often, AirProbe D86 or MarsMD Toolbox?

AirProbe D86 ships an update every 6 weeks, and MarsMD Toolbox every 37 months. Most recently, AirProbe D86 was updated on September 17, 2026 and MarsMD Toolbox on September 12, 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.*