# SpoolKeep vs Filament Tracker 3D

The clearest difference is update cadence: Filament Tracker 3D at every 5 days against SpoolKeep's every 2 months. Filament Tracker 3D also leads on iOS requirement (15.1 vs 17). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SpoolKeep sells 1 one-off in-app purchase and Filament Tracker 3D sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

SpoolKeep ships an update every 2 months, Filament Tracker 3D every 5 days. The most recent releases landed on September 19, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | SpoolKeep | Filament Tracker 3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 3 MB | 43 MB |
| Requires iOS | 17 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Claude-Alain Muller](https://appshunter.io/developer/1818892197) | [MAURO CONTI](https://appshunter.io/developer/6774946175) |

## What reviewers say

### SpoolKeep

[App page](https://appshunter.io/ios/app/spoolkeep/id6746877203)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SpoolKeep Premium | $1.99 | one-time |


### Filament Tracker 3D

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

**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 SpoolKeep free?

SpoolKeep is free to download, with in-app purchases available.

### Is Filament Tracker 3D free?

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

### Do SpoolKeep or Filament Tracker 3D have ads?

Neither SpoolKeep nor Filament Tracker 3D shows ads.

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

SpoolKeep ships an update every 2 months, and Filament Tracker 3D every 5 days. Most recently, SpoolKeep was updated on September 19, 2026 and Filament Tracker 3D on September 20, 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.*