# Air Detector vs Filament Tracker 3D

The clearest difference is in-app purchases: Air Detector at none against Filament Tracker 3D's 1. Air Detector also leads on iOS requirement (12.0 vs 15.1). Filament Tracker 3D's advantage is update cadence (every 5 days vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. Filament Tracker 3D sells 1 one-off in-app purchase. Air Detector asks for nothing beyond the download.

Air Detector ships an update every 5 months, Filament Tracker 3D every 5 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Air Detector | Filament Tracker 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/filament-tracker-3d/id6774946173/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 23 MB | 43 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Everbest Machinery Industry Co.,Ltd](https://appshunter.io/developer/564470332) | [MAURO CONTI](https://appshunter.io/developer/6774946175) |

## What reviewers say

### Air Detector

[App page](https://appshunter.io/ios/app/air-detector/id1644798469)

**Features:** macOS Compatibility

**In-app purchases:** none


### Filament Tracker 3D

[App page](https://appshunter.io/ios/app/filament-tracker-3d/id6774946173)

Manage your 3D printing filament spools effortlessly. Scan barcodes, log material details, and automatically track usage after each print. Receive low-filament alerts and visualize remaining material with clear graphs.

**Highlights:** Scan spool barcodes, Log filament weight, material, and color, Automatic weight scaling after prints, Print history tracking, Low filament alerts, Multi-color filament support, Shared global barcode database

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Filament Tracker 3D Pro | $0.99 | one-time |


## Frequently asked questions

### Is Air Detector free?

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

### Is Filament Tracker 3D free?

Filament Tracker 3D is free to download, with in-app purchases available.

### Do Air Detector or Filament Tracker 3D have ads?

Neither Air Detector nor Filament Tracker 3D shows ads.

### Which is updated more often, Air Detector or Filament Tracker 3D?

Air Detector ships an update every 5 months, and Filament Tracker 3D every 5 days. Most recently, Air Detector was updated on November 7, 2026 and Filament Tracker 3D on October 31, 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.*