# Bubble Learning vs GrammKlar

The clearest difference is in-app purchases: GrammKlar at none against Bubble Learning's 2. GrammKlar also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Bubble Learning sells 2 in-app purchases, starting at $24.99 per year. GrammKlar asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Bubble Learning | GrammKlar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Size | 247 MB | 38 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [STEFANO NINNO](https://appshunter.io/developer/1841575710) | [Valeria Buzun](https://appshunter.io/developer/6795174258) |

## What reviewers say

### Bubble Learning

[App page](https://appshunter.io/ios/app/bubble-learning/id6752887938)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AnnualSubscription | $24.99 | per year |
| IncreaseClicks | $0.99 | one-time |


### GrammKlar

[App page](https://appshunter.io/ios/app/grammklar-german-grammar/id6795174256)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bubble Learning free?

Bubble Learning is free to download, with in-app purchases available.

### Is GrammKlar free?

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

### Do Bubble Learning or GrammKlar have ads?

Bubble Learning shows ads; GrammKlar does not.

### Which is updated more often, Bubble Learning or GrammKlar?

Bubble Learning ships an update every 2 weeks, and GrammKlar every 2 weeks. Most recently, Bubble Learning was updated on October 14, 2026 and GrammKlar on October 9, 2026.

---

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