# Ratios vs mi.system

The clearest difference is update cadence: mi.system at every 5 days against Ratios's every 5 months. Ratios's advantage is iOS requirement (10.3 vs 15.0). 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, mi.system every 5 days. The most recent releases landed on August 15, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Ratios | mi.system |
| --- | --- | --- |
| 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 5 days** |
| Monetization | Free | — |
| Size | 17 MB | 68 MB |
| Requires iOS | **10.3** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Brushed Type Ltd](https://appshunter.io/developer/1460743402) | [Hugo Mueller GmbH & Co KG](https://appshunter.io/developer/1347128571) |

## 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


### mi.system

[App page](https://appshunter.io/ios/app/misystem/id6737981806)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ratios free?

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

### Is mi.system free?

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

### Do Ratios or mi.system have ads?

Neither Ratios nor mi.system shows ads.

### Which is updated more often, Ratios or mi.system?

Ratios ships an update every 5 months, and mi.system every 5 days. Most recently, Ratios was updated on August 15, 2026 and mi.system on September 20, 2026.

---

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