# SpoolyTracker vs Ply

The clearest difference is in-app purchases: SpoolyTracker at none against Ply's 1. SpoolyTracker also leads on iOS requirement (15.1 vs 26.0). Ply's advantage is update cadence (every 5 days vs every 9 days). On price, ads and device support there is nothing between them.

Both are free to download. Ply sells 1 one-off in-app purchase. SpoolyTracker asks for nothing beyond the download.

SpoolyTracker ships an update every 9 days, Ply every 5 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | SpoolyTracker | Ply |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 5 days** |
| Size | 42 MB | 13 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Guillaume Sanchez](https://appshunter.io/developer/1882782147) | [Yi Bin Pow](https://appshunter.io/developer/1846275953) |

## What reviewers say

### SpoolyTracker

[App page](https://appshunter.io/ios/app/spoolytracker/id6760127825)

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

**In-app purchases:** none


### Ply

[App page](https://appshunter.io/ios/app/ply-3d-filament-tracker/id6788304911)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro | $6.99 | one-time |


## Frequently asked questions

### Is SpoolyTracker free?

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

### Is Ply free?

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

### Do SpoolyTracker or Ply have ads?

Neither SpoolyTracker nor Ply shows ads.

### Which is updated more often, SpoolyTracker or Ply?

SpoolyTracker ships an update every 9 days, and Ply every 5 days. Most recently, SpoolyTracker was updated on October 31, 2026 and Ply 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.*