# Häkeln! L vs DuoCards

The clearest difference is price: DuoCards at Free against Häkeln! L's $8.99. DuoCards also leads on update cadence (monthly vs every 29 months). Häkeln! L's advantage is in-app purchases (none vs 10) and ads (none vs shown). On device support there is nothing between them.

DuoCards is free to download; Häkeln! L costs $8.99 up front. DuoCards sells 9 in-app purchases, starting at $19.99 per month. Häkeln! L asks for nothing beyond the download.

Häkeln! L ships an update every 29 months, DuoCards monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Häkeln! L | DuoCards |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| Rating | — | **[4.7 (1.5K ratings)](https://appshunter.io/ios/app/duocards-vocabulary-builder/id1508159917/reviews)** |
| Number of ratings | — | **1.5K** |
| Positive reviews | — | 63.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 29 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 445 MB | 19 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Juerg Keller](https://appshunter.io/developer/652165427) | [DuoCards s.r.o](https://appshunter.io/developer/1508159916) |

## What reviewers say

### Häkeln! L

[App page](https://appshunter.io/ios/app/hakeln-l/id1438105372)

**Features:** macOS Compatibility

**In-app purchases:** none


### DuoCards

[App page](https://appshunter.io/ios/app/duocards-vocabulary-builder/id1508159917)

Master a new language with interactive flashcards and video courses. This app helps you build vocabulary, guess words, and track your progress across over 50 languages. Learn effectively through spaced repetition and integrated translation tools.

**Highlights:** Flashcard learning with spaced repetition, Video language courses with interactive subtitles, Integrated translator for over 50 languages, Vocabulary builder and progress tracker, Guess words and phrases to sharpen skills, Read foreign language articles

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DuoCards Premium | $19.99 | per month |
| DuoCards Plus | $33.00 | per 3 months |
| DuoCards Premium | $34.99 | per 3 months |
| DuoCards Premium | $64.90 | per year |
| DuoCards Premium | $67.99 | per year |
| DuoCards Premium | $107.99 | per year |
| DuoCards Premium | $109.00 | per year |
| DuoCards Premium | $113.99 | per year |
| DuoCards Premium | $162.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 💡 Customizable flashcards
- 🚀 Efficient learning algorithm
- 🐘 Cute mascot (Memo the mammoth)

**What reviewers complain about**

- 🐛 Bugs and crashes
- ⚠️ Unreliable server connection
- 💰 Expensive subscription
- 🤔 Confusing interface

**Reported bugs**

- App freezes and crashes
- Issues with logging in and accessing content
- Inconsistent behavior when adding new words
- Problems with video playback and subtitles

**Requested features**

- Offline mode
- More customization options
- Improved spaced repetition system
- Better integration with other language learning tools


## Frequently asked questions

### Is Häkeln! L free?

Häkeln! L costs $8.99, with no in-app purchases.

### Is DuoCards free?

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

### Do Häkeln! L or DuoCards have ads?

DuoCards shows ads; Häkeln! L does not.

### Which is updated more often, Häkeln! L or DuoCards?

Häkeln! L ships an update every 29 months, and DuoCards monthly. Most recently, Häkeln! L was updated on November 2, 2026 and DuoCards on November 3, 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.*