# Ratios vs Whenn

The clearest difference is update cadence: Whenn at every 8 days against Ratios's every 5 months. Ratios's advantage is iOS requirement (10.3 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ratios ships an update every 5 months, Whenn every 8 days. The most recent releases landed on October 10, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Ratios | Whenn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (79 ratings)](https://appshunter.io/ios/app/ratios/id1286379929/reviews)** | — |
| Number of ratings | **79** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 8 days** |
| Monetization | Free | — |
| Size | 17 MB | 21 MB |
| Requires iOS | **10.3** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Brushed Type Ltd](https://appshunter.io/developer/1460743402) | [Whenn Limited](https://appshunter.io/developer/1660258847) |

## What reviewers say

### Ratios

[App page](https://appshunter.io/ios/app/ratios/id1286379929)

This application helps home baristas calculate precise coffee brewing ratios. Easily determine the exact weight of coffee beans and water needed for your desired brew strength. All values are instantly editable to see how adjustments impact your final cup.

**Highlights:** Calculate coffee bean and water weights, Adjustable brew strength, Instant value updates, Free and open source, Supports various brew amounts

**Features:** Vision Pro support

**In-app purchases:** none


### Whenn

[App page](https://appshunter.io/ios/app/whenn/id1660258574)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ratios free?

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

### Is Whenn free?

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

### Do Ratios or Whenn have ads?

Neither Ratios nor Whenn shows ads.

### Which is updated more often, Ratios or Whenn?

Ratios ships an update every 5 months, and Whenn every 8 days. Most recently, Ratios was updated on October 10, 2026 and Whenn on September 30, 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.*