# OpenSpool vs SpoolSense

The clearest difference is rating: SpoolSense at 5.0 against OpenSpool's 4.0. OpenSpool's advantage is iOS requirement (15.1 vs 17.0). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SpoolSense holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | OpenSpool | SpoolSense |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/openspool/id6740551901/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/spoolsense-nfc-filament-tags/id6789256550/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 weeks |
| Monetization | Free | Free |
| Size | 12 MB | 6 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Spencer Owen](https://appshunter.io/developer/1790569930) | [shane jordan](https://appshunter.io/developer/1894670349) |

## What reviewers say

### OpenSpool

[App page](https://appshunter.io/ios/app/openspool/id6740551901)

This utility app functions as a universal RFID reader for 3D printers. It supports various RFID systems used for 3D printer filament, including OpenSpool, OpenTag, and Creality. More information on integration is available via a provided GitHub link.

**Highlights:** Universal RFID reader, Reads OpenSpool RFID systems, Reads OpenTag RFID systems, Reads Creality RFID systems, Supports other RFID systems, 3D printer filament tracking

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

**In-app purchases:** none


### SpoolSense

[App page](https://appshunter.io/ios/app/spoolsense-nfc-filament-tags/id6789256550)

This app transforms your iPhone into an NFC reader and writer for 3D printing filament spools. It instantly displays filament details and allows you to read, write, and edit tag information. Optional integrations sync with inventory management systems and send spool data directly to your 3D printer.

**Highlights:** NFC reader and writer for filament spools, Reads material, brand, color, temperatures, and remaining amount, Supports five tag formats (OpenPrintTag, OpenSpool, TigerTag, OpenTag3D, NFC+), Write blank tags or edit existing ones, Optional Spoolman inventory synchronization, Optional direct sending to compatible 3D printers, No account, subscription, server, or cloud required

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

**In-app purchases:** none


## Frequently asked questions

### Is OpenSpool free?

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

### Is SpoolSense free?

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

### Which has better reviews, OpenSpool or SpoolSense?

SpoolSense is rated higher. OpenSpool averages 4.0 out of 5 from 1 ratings, while SpoolSense averages 5.0 from 2 ratings.

### Do OpenSpool or SpoolSense have ads?

Neither OpenSpool nor SpoolSense shows ads.

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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.*