# Olsberg OEC 4 vs Spool Programmer

The clearest difference is update cadence: Spool Programmer at every 5 days against Olsberg OEC 4's every 8 months. Olsberg OEC 4's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.0). 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.

Olsberg OEC 4 ships an update every 8 months, Spool Programmer every 5 days. Both last shipped on September 18, 2026.

## The numbers

| Metric | Olsberg OEC 4 | Spool Programmer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/spool-programmer/id6753324939/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 days** |
| Monetization | — | Free |
| Size | 26 MB | 3 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Timpex](https://appshunter.io/developer/1186764661) | [Martin Bogomolni](https://appshunter.io/developer/1843504794) |

## What reviewers say

### Olsberg OEC 4

[App page](https://appshunter.io/ios/app/olsberg-oec-4/id6742713521)

**Features:** macOS Compatibility

**In-app purchases:** none


### Spool Programmer

[App page](https://appshunter.io/ios/app/spool-programmer/id6753324939)

This app allows users to program RFID tags for 3D printing filament spools. It supports various filament types and spool sizes, offering features like reading existing tags, checking memory, and custom color selection. All processing is done on-device for privacy and security.

**Highlights:** Write filament data to NTAG215/216 tags, 18 pre-configured filament profiles, Read and verify existing tags, Check tag status and memory, Format tags for programming, Custom color selection, Support for various spool sizes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Olsberg OEC 4 free?

Olsberg OEC 4 is free to download, with no in-app purchases.

### Is Spool Programmer free?

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

### Do Olsberg OEC 4 or Spool Programmer have ads?

Neither Olsberg OEC 4 nor Spool Programmer shows ads.

### Which is updated more often, Olsberg OEC 4 or Spool Programmer?

Olsberg OEC 4 ships an update every 8 months, and Spool Programmer every 5 days. Most recently, Olsberg OEC 4 was updated on September 18, 2026 and Spool Programmer on September 18, 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.*