# Ach Scan vs YanMore Grind

The clearest difference is in-app purchases: Ach Scan at none against YanMore Grind's 3. YanMore Grind's advantage is update cadence (every 3 days vs every 3 weeks) and device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. YanMore Grind sells 3 in-app purchases, starting at $1.99 per month. Ach Scan asks for nothing beyond the download.

Ach Scan ships an update every 3 weeks, YanMore Grind every 3 days. The most recent releases landed on October 20, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Ach Scan | YanMore Grind |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/yanmore-grind/id6809131852/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 113 MB | 18 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [ayoub el hazzaz](https://appshunter.io/developer/6807191197) | [晨延 廖](https://appshunter.io/developer/6807280655) |

## What reviewers say

### Ach Scan

[App page](https://appshunter.io/ios/app/ach-scan/id6807191195)

**Features:** macOS Compatibility

**In-app purchases:** none


### YanMore Grind

[App page](https://appshunter.io/ios/app/yanmore-grind/id6809131852)

This app helps calibrate coffee grinders using a Bayesian learning model and stores your brew notes. It supports various brewing methods and allows you to track your coffee beans, equipment, and tasting scores. Upgrade to Pro for full access to features and unlimited records.

**Highlights:** Bayesian grind calibration, Support for multiple brew methods, Coffee bean and equipment profiles, Detailed brew note-taking, Tasting score and flavor tagging, Local data backups, Pro version for advanced features

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| YanMore Grind Pro Monthly | $1.99 | per month |
| YanMore Grind Pro Yearly | $19.99 | per year |
| YanMore Grind Pro Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Ach Scan free?

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

### Is YanMore Grind free?

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

### Do Ach Scan or YanMore Grind have ads?

Neither Ach Scan nor YanMore Grind shows ads.

### Which is updated more often, Ach Scan or YanMore Grind?

Ach Scan ships an update every 3 weeks, and YanMore Grind every 3 days. Most recently, Ach Scan was updated on October 20, 2026 and YanMore Grind on October 26, 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.*