# JBC B.IRON vs Specter

The clearest difference is update cadence: Specter at every 3 months against JBC B.IRON's every 10 months. JBC B.IRON's advantage is device support (3 vs 1) and iOS requirement (13.4 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.

JBC B.IRON ships an update every 10 months, Specter every 3 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | JBC B.IRON | Specter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 months** |
| Size | 22 MB | 167 MB |
| Requires iOS | **13.4** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [JBC Soldering](https://appshunter.io/developer/1633983292) | [Specter (BE)](https://appshunter.io/developer/1651239726) |

## What reviewers say

### JBC B.IRON

[App page](https://appshunter.io/ios/app/jbc-biron/id1633983290)

**Features:** macOS Compatibility

**In-app purchases:** none


### Specter

[App page](https://appshunter.io/ios/app/specter/id6444264188)

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

**In-app purchases:** none


## Frequently asked questions

### Is JBC B.IRON free?

JBC B.IRON is free to download, with no in-app purchases.

### Is Specter free?

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

### Do JBC B.IRON or Specter have ads?

Neither JBC B.IRON nor Specter shows ads.

### Which is updated more often, JBC B.IRON or Specter?

JBC B.IRON ships an update every 10 months, and Specter every 3 months. Most recently, JBC B.IRON was updated on October 27, 2026 and Specter on October 27, 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.*