# AirProbe D86 vs Sethala Indoor

The clearest difference is iOS requirement: AirProbe D86 at 12.0 against Sethala Indoor's 14.0.0. On price, update cadence, 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.

AirProbe D86 ships an update every 6 weeks, Sethala Indoor every 4 weeks. The most recent releases landed on October 22, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | AirProbe D86 | Sethala Indoor |
| --- | --- | --- |
| 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 4 weeks** |
| Monetization | Free | — |
| Size | 14 MB | 56 MB |
| Requires iOS | **12.0** | 14.0.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ORBIS BV](https://appshunter.io/developer/602147201) | [Sethala (Pty) Ltd.](https://appshunter.io/developer/1488756818) |

## 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


### Sethala Indoor

[App page](https://appshunter.io/ios/app/sethala-indoor/id1663485196)

**In-app purchases:** none


## Frequently asked questions

### Is AirProbe D86 free?

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

### Is Sethala Indoor free?

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

### Do AirProbe D86 or Sethala Indoor have ads?

Neither AirProbe D86 nor Sethala Indoor shows ads.

### Which is updated more often, AirProbe D86 or Sethala Indoor?

AirProbe D86 ships an update every 6 weeks, and Sethala Indoor every 4 weeks. Most recently, AirProbe D86 was updated on October 22, 2026 and Sethala Indoor 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.*