# Coffee Rings vs Grindhog

The clearest difference is in-app purchases: Grindhog at none against Coffee Rings's 3. Grindhog also leads on iOS requirement (15.1 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Coffee Rings sells 3 one-off in-app purchases. Grindhog asks for nothing beyond the download.

Coffee Rings ships an update weekly, Grindhog every 6 days. The most recent releases landed on October 14, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Coffee Rings | Grindhog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 6 days** |
| Size | 11 MB | 25 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MICHAEL KARL KNOP](https://appshunter.io/developer/1838396815) | [Johannes Hermann Hoffart](https://appshunter.io/developer/1844213112) |

## What reviewers say

### Coffee Rings

[App page](https://appshunter.io/ios/app/coffee-rings/id6752240751)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Single Espresso Tip | $1.99 | one-time |
| Tip - Double Espresso | $2.99 | one-time |
| Big Support Tip | $3.99 | one-time |


### Grindhog

[App page](https://appshunter.io/ios/app/grindhog/id6753727341)

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

**In-app purchases:** none


## Frequently asked questions

### Is Coffee Rings free?

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

### Is Grindhog free?

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

### Do Coffee Rings or Grindhog have ads?

Neither Coffee Rings nor Grindhog shows ads.

### Which is updated more often, Coffee Rings or Grindhog?

Coffee Rings ships an update weekly, and Grindhog every 6 days. Most recently, Coffee Rings was updated on October 14, 2026 and Grindhog on September 29, 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.*