# Pressure loss vs Tracking

The clearest difference is update cadence: Tracking at every 4 months against Pressure loss's every 45 months. Pressure loss's advantage is iOS requirement (12.0 vs 18.0). 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.

Pressure loss ships an update every 45 months, Tracking every 4 months. The most recent releases landed on November 11, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Pressure loss | Tracking |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 45 months | **Every 4 months** |
| Size | 8 MB | 20 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [U-Tube Systems B.V.](https://appshunter.io/developer/1406001356) | [Tracking BG OOD](https://appshunter.io/developer/1696978847) |

## What reviewers say

### Pressure loss

[App page](https://appshunter.io/ios/app/pressure-loss-calc/id1406001357)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tracking

[App page](https://appshunter.io/ios/app/tracking-b/id6451150785)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Pressure loss free?

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

### Is Tracking free?

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

### Do Pressure loss or Tracking have ads?

Neither Pressure loss nor Tracking shows ads.

### Which is updated more often, Pressure loss or Tracking?

Pressure loss ships an update every 45 months, and Tracking every 4 months. Most recently, Pressure loss was updated on November 11, 2026 and Tracking on November 7, 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.*