# Airsoft Pro Sensor vs KDA Tracker & Joule Calc

The clearest difference is in-app purchases: Airsoft Pro Sensor at none against KDA Tracker & Joule Calc's 1. Airsoft Pro Sensor also leads on ads (none vs shown) and iOS requirement (12.1 vs 15.1). KDA Tracker & Joule Calc's advantage is update cadence (every 3 days vs every 3 weeks). On price and device support there is nothing between them.

Both are free to download. KDA Tracker & Joule Calc sells 1 one-off in-app purchase. Airsoft Pro Sensor asks for nothing beyond the download.

Airsoft Pro Sensor ships an update every 3 weeks, KDA Tracker & Joule Calc every 3 days. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Airsoft Pro Sensor | KDA Tracker & Joule Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 15 MB | 40 MB |
| Requires iOS | **12.1** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UD Tek, Tov](https://appshunter.io/developer/1083925715) | [Kamil Bobrowski](https://appshunter.io/developer/1788939427) |

## What reviewers say

### Airsoft Pro Sensor

[App page](https://appshunter.io/ios/app/airsoft-pro-sensor/id1555651501)

**Features:** macOS Compatibility

**In-app purchases:** none


### KDA Tracker & Joule Calc

[App page](https://appshunter.io/ios/app/kda-tracker-and-joule-calc/id6774669600)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads – Lifetime Access | $1.99 | one-time |


## Frequently asked questions

### Is Airsoft Pro Sensor free?

Airsoft Pro Sensor is free to download, with no in-app purchases.

### Is KDA Tracker & Joule Calc free?

KDA Tracker & Joule Calc is free to download, with in-app purchases available.

### Do Airsoft Pro Sensor or KDA Tracker & Joule Calc have ads?

KDA Tracker & Joule Calc shows ads; Airsoft Pro Sensor does not.

### Which is updated more often, Airsoft Pro Sensor or KDA Tracker & Joule Calc?

Airsoft Pro Sensor ships an update every 3 weeks, and KDA Tracker & Joule Calc every 3 days. Most recently, Airsoft Pro Sensor was updated on November 3, 2026 and KDA Tracker & Joule Calc 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.*