# Spool Buddy vs TraceBin

The clearest difference is in-app purchases: TraceBin at none against Spool Buddy's 3. Spool Buddy's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Spool Buddy sells 3 one-off in-app purchases. TraceBin asks for nothing beyond the download.

Spool Buddy ships an update every 2 weeks, TraceBin every 8 days. The most recent releases landed on September 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Spool Buddy | TraceBin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (9 ratings)](https://appshunter.io/ios/app/spool-buddy/id6752347588/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 1 MB |
| Requires iOS | 18.2 | **17.0** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Martian Code Oy](https://appshunter.io/developer/1099214691) | [Jesse Ariss](https://appshunter.io/developer/6810427759) |

## What reviewers say

### Spool Buddy

[App page](https://appshunter.io/ios/app/spool-buddy/id6752347588)

Effortlessly manage your 3D printing filament inventory. Track brands, colors, and usage with a simple, fast interface. Syncs seamlessly across Apple devices without requiring logins or network calls.

**Highlights:** iCloud syncing, No logins or network calls, Track brands, colors, and modifiers, Search and filter by properties, Usage and inventory tracking, Optimized for iOS and macOS

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $4.99 | one-time |


### TraceBin

[App page](https://appshunter.io/ios/app/tracebin-gridfinity-bins/id6810427757)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spool Buddy free?

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

### Is TraceBin free?

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

### Do Spool Buddy or TraceBin have ads?

Neither Spool Buddy nor TraceBin shows ads.

### Which is updated more often, Spool Buddy or TraceBin?

Spool Buddy ships an update every 2 weeks, and TraceBin every 8 days. Most recently, Spool Buddy was updated on September 24, 2026 and TraceBin on October 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.*