# iDryer vs SpoolSense

The clearest difference is update cadence: SpoolSense at every 4 weeks against iDryer's every 3 months. iDryer's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

iDryer ships an update every 3 months, SpoolSense every 4 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | iDryer | SpoolSense |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/spoolsense-nfc-filament-tags/id6789256550/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Monetization | — | Free |
| Size | 30 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ruslan Pavliuchenko](https://appshunter.io/developer/1595793454) | [shane jordan](https://appshunter.io/developer/1894670349) |

## What reviewers say

### iDryer

[App page](https://appshunter.io/ios/app/idryer/id6760609044)

**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 iDryer free?

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

### Is SpoolSense free?

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

### Do iDryer or SpoolSense have ads?

Neither iDryer nor SpoolSense shows ads.

### Which is updated more often, iDryer or SpoolSense?

iDryer ships an update every 3 months, and SpoolSense every 4 weeks. Most recently, iDryer was updated on October 31, 2026 and SpoolSense 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.*