# Fume Detector vs Scaflow

The clearest difference is in-app purchases: Fume Detector at none against Scaflow's 1. Fume Detector also leads on iOS requirement (14.4 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Scaflow sells 1 one-off in-app purchase. Fume Detector asks for nothing beyond the download.

## The numbers

| Metric | Fume Detector | Scaflow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 1 MB | 5 MB |
| Requires iOS | **14.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pat Dolan](https://appshunter.io/developer/1206193662) | [Satoshi Sakuma](https://appshunter.io/developer/1791815850) |

## What reviewers say

### Fume Detector

[App page](https://appshunter.io/ios/app/fume-detector/id1572336746)

**In-app purchases:** none


### Scaflow

[App page](https://appshunter.io/ios/app/scaflow-barcode-for-pc/id6761039235)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scaflow Pro | $5.99 | one-time |


## Frequently asked questions

### Is Fume Detector free?

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

### Is Scaflow free?

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

### Do Fume Detector or Scaflow have ads?

Neither Fume Detector nor Scaflow shows ads.

---

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