# Ferment vs ScaNavi

The clearest difference is ads: ScaNavi at none against Ferment's shown. ScaNavi also leads on update cadence (weekly vs every 6 weeks) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. Ferment sells 2 in-app purchases, starting at $7.99 per month and ScaNavi sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Ferment ships an update every 6 weeks, ScaNavi weekly. The most recent releases landed on October 8, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Ferment | ScaNavi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Weekly** |
| Size | 34 MB | 61 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Rytis U](https://appshunter.io/developer/1890914933) | [Synapse Arrows PTE. LTD.](https://appshunter.io/developer/1896477159) |

## What reviewers say

### Ferment

[App page](https://appshunter.io/ios/app/ferment-fermentation-tracker/id6761690636)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ferment Premium | $7.99 | per month |
| Ferment Premium | $49.99 | per year |


### ScaNavi

[App page](https://appshunter.io/ios/app/scanavi-sake-label-scanner/id6767459125)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Navi+ Monthly | $4.99 | per month |


## Frequently asked questions

### Is Ferment free?

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

### Is ScaNavi free?

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

### Do Ferment or ScaNavi have ads?

Ferment shows ads; ScaNavi does not.

### Which is updated more often, Ferment or ScaNavi?

Ferment ships an update every 6 weeks, and ScaNavi weekly. Most recently, Ferment was updated on October 8, 2026 and ScaNavi on September 20, 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.*