# SpoolKeep vs Spool Master

The clearest difference is ads: SpoolKeep at none against Spool Master's shown. Spool Master's advantage is update cadence (every 4 days vs every 2 months) and iOS requirement (15.0 vs 17). On price, 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 Spool Master sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

SpoolKeep ships an update every 2 months, Spool Master every 4 days. The most recent releases landed on September 19, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | SpoolKeep | Spool Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/spool-master/id6757678949/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 39 MB |
| Requires iOS | 17 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Claude-Alain Muller](https://appshunter.io/developer/1818892197) | [Sebastien Girod](https://appshunter.io/developer/1472154080) |

## 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 |


### Spool Master

[App page](https://appshunter.io/ios/app/spool-master/id6757678949)

Manage your 3D printing filament stock with NFC tag reading/writing, inventory tracking, and smart shopping lists. Optimize expenses and reduce waste for hobbyists and professionals.

**Highlights:** NFC reading and writing for spool tags, Complete inventory management, Detailed statistics and value tracking, Automatic low stock alerts, Smart shopping list generation, Print settings configuration, Multi-device synchronization

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spool Master Monthly | $1.99 | per month |
| Spool Master Yearly | $9.99 | per year |


## Frequently asked questions

### Is SpoolKeep free?

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

### Is Spool Master free?

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

### Do SpoolKeep or Spool Master have ads?

Spool Master shows ads; SpoolKeep does not.

### Which is updated more often, SpoolKeep or Spool Master?

SpoolKeep ships an update every 2 months, and Spool Master every 4 days. Most recently, SpoolKeep was updated on September 19, 2026 and Spool Master on September 13, 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.*