# Keto Barcode Scan vs Simmer

The clearest difference is price: Simmer at Free against Keto Barcode Scan's $5.99. Keto Barcode Scan's advantage is iOS requirement (16.4 vs 18.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Simmer is free to download; Keto Barcode Scan costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Keto Barcode Scan ships an update every 5 weeks, Simmer every 3 weeks. The most recent releases landed on October 1, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Keto Barcode Scan | Simmer |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 57 MB | 4 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Roberto Salvador](https://appshunter.io/developer/1809681619) | [Kinevia](https://appshunter.io/developer/313857582) |

## What reviewers say

### Keto Barcode Scan

[App page](https://appshunter.io/ios/app/keto-barcode-scan/id6757723290)

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

**In-app purchases:** none


### Simmer

[App page](https://appshunter.io/ios/app/simmer/id6790160737)

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

**In-app purchases:** none


## Frequently asked questions

### Is Keto Barcode Scan free?

Keto Barcode Scan costs $5.99, with no in-app purchases.

### Is Simmer free?

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

### Do Keto Barcode Scan or Simmer have ads?

Neither Keto Barcode Scan nor Simmer shows ads.

### Which is updated more often, Keto Barcode Scan or Simmer?

Keto Barcode Scan ships an update every 5 weeks, and Simmer every 3 weeks. Most recently, Keto Barcode Scan was updated on October 1, 2026 and Simmer on October 10, 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.*