# Spoolo vs SpoolKeep

The clearest difference is update cadence: SpoolKeep at every 2 months against Spoolo's every 14 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Spoolo sells 2 in-app purchases, starting at $1.99 per month and SpoolKeep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Spoolo ships an update every 14 months, SpoolKeep every 2 months. The most recent releases landed on August 19, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Spoolo | SpoolKeep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/spoolo-3d-printing-calculator/id6743485278/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 2 months** |
| Monetization | Freemium | — |
| Size | 1 MB | 3 MB |
| Requires iOS | 18.0 | **17** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [STRICS IT GmbH](https://appshunter.io/developer/1498799328) | [Claude-Alain Muller](https://appshunter.io/developer/1818892197) |

## What reviewers say

### Spoolo

[App page](https://appshunter.io/ios/app/spoolo-3d-printing-calculator/id6743485278)

This app helps 3D printing enthusiasts and farm owners accurately calculate production costs, set selling prices, and manage filament inventory. It accounts for print time, material usage, marketplace fees, and desired profit margins.

**Highlights:** Calculate production costs, Set selling prices, Track filament usage, Manage marketplace fees, Monitor filament stock, Adjust global settings

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

**In-app purchases (2)**

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


### 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 |


## Frequently asked questions

### Is Spoolo free?

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

### Is SpoolKeep free?

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

### Do Spoolo or SpoolKeep have ads?

Neither Spoolo nor SpoolKeep shows ads.

### Which is updated more often, Spoolo or SpoolKeep?

Spoolo ships an update every 14 months, and SpoolKeep every 2 months. Most recently, Spoolo was updated on August 19, 2026 and SpoolKeep on September 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*