# Skarnik vs DuoCards

The clearest difference is in-app purchases: Skarnik at none against DuoCards's 11. Skarnik also leads on ads (none vs shown) and review sentiment (97% vs 63%). DuoCards's advantage is ratings volume (1.4K vs 49) and iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. DuoCards sells 10 in-app purchases, starting at $19.99 per month. Skarnik asks for nothing beyond the download.

Skarnik holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: DuoCards has 1.4K ratings behind it against 49, so its average is the more settled of the two. Written reviews point the same way: 97% of Skarnik's written reviews are positive against 63% of DuoCards's.

Skarnik ships an update every 2 weeks, DuoCards monthly. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Skarnik | DuoCards |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (49 ratings)](https://appshunter.io/ios/app/skarnik/id988334682/reviews)** | [4.7 (1.4K ratings)](https://appshunter.io/ios/app/duocards-vocabulary-builder/id1508159917/reviews) |
| Number of ratings | 49 | **1.4K** |
| Positive reviews | **96.8% of reviews** | 63.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 174 MB | 19 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aleh Mazok](https://appshunter.io/developer/561958328) | [DuoCards s.r.o](https://appshunter.io/developer/1508159916) |

## What reviewers say

### Skarnik

[App page](https://appshunter.io/ios/app/skarnik/id988334682)

This app provides comprehensive Belarusian language dictionaries, including Russian-Belarusian, Belarusian-Russian, and explanatory dictionaries. It is based on academic sources and continuously updated with new words and corrections.

**Highlights:** Russian-Belarusian dictionary, Belarusian-Russian dictionary, Explanatory Belarusian dictionary, Over 100,000 words per dictionary, Based on academic sources, Continuously updated

**Features:** Vision Pro support

**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 (10)**

| 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 | $49.99 | per year |
| 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 Skarnik free?

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

### Is DuoCards free?

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

### Which has better reviews, Skarnik or DuoCards?

Skarnik is rated higher. Skarnik averages 4.9 out of 5 from 49 ratings, while DuoCards averages 4.7 from 1.4K ratings.

### Do Skarnik or DuoCards have ads?

DuoCards shows ads; Skarnik does not.

### Which is updated more often, Skarnik or DuoCards?

Skarnik ships an update every 2 weeks, and DuoCards monthly. Most recently, Skarnik was updated on October 22, 2026 and DuoCards on October 24, 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.*