# Ratio M8 vs Reading Tool

The clearest difference is update cadence: Reading Tool at every 5 days against Ratio M8's every 16 months. Ratio M8's advantage is iOS requirement (13.0 vs 26.0). 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.

Ratio M8 ships an update every 16 months, Reading Tool every 5 days. The most recent releases landed on September 29, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Ratio M8 | Reading Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ratio-m8/id1637237516/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 17 MB | 4 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Adventurous2 Ltd](https://appshunter.io/developer/1823663599) | [CreationAct (Shanghai) Technology Co., Ltd.](https://appshunter.io/developer/1770311812) |

## What reviewers say

### Ratio M8

[App page](https://appshunter.io/ios/app/ratio-m8/id1637237516)

Easily calculate the ideal coffee-to-water ratio for your brew. Input your coffee or water amount, and the app determines the perfect balance for your perfect cup. Includes a stopwatch for precise brewing control.

**Highlights:** Calculate coffee-to-water ratios, Input coffee bean amount, Input water amount, In-app stopwatch, Precise gram adjustments

**Features:** macOS Compatibility

**In-app purchases:** none


### Reading Tool

[App page](https://appshunter.io/ios/app/reading-tool/id6753701748)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ratio M8 free?

Ratio M8 is free to download, with no in-app purchases.

### Is Reading Tool free?

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

### Do Ratio M8 or Reading Tool have ads?

Neither Ratio M8 nor Reading Tool shows ads.

### Which is updated more often, Ratio M8 or Reading Tool?

Ratio M8 ships an update every 16 months, and Reading Tool every 5 days. Most recently, Ratio M8 was updated on September 29, 2026 and Reading Tool on October 12, 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.*