# Полиглот 16 vs DuoCards

The clearest difference is price: DuoCards at Free against Полиглот 16's $2.99. DuoCards also leads on update cadence (monthly vs every 11 months) and ratings volume (1.4K vs 3). Полиглот 16's advantage is in-app purchases (none vs 11) and ads (none vs shown). On device support there is nothing between them.

DuoCards is free to download; Полиглот 16 costs $2.99 up front. DuoCards sells 10 in-app purchases, starting at $19.99 per month. Полиглот 16 asks for nothing beyond the download.

Полиглот 16 holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: DuoCards has 1.4K ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 50% of Полиглот 16's written reviews are positive against 63% of DuoCards's, so the app with the better star average is not the one people write more warmly about.

Полиглот 16 ships an update every 11 months, DuoCards monthly. Both last shipped on October 20, 2026.

## The numbers

| Metric | Полиглот 16 | DuoCards |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/16/id1048905825/reviews)** | [4.7 (1.4K ratings)](https://appshunter.io/ios/app/duocards-vocabulary-builder/id1508159917/reviews) |
| Number of ratings | 3 | **1.4K** |
| Positive reviews | 50.0% of reviews | **63.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | **Monthly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 40 MB | 19 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmitry Petrov Center LLC](https://appshunter.io/developer/775754373) | [DuoCards s.r.o](https://appshunter.io/developer/1508159916) |

## What reviewers say

### Полиглот 16

[App page](https://appshunter.io/ios/app/16/id1048905825)

This app helps you learn English vocabulary through engaging and effective memorization techniques. It offers various training modes, including speech recognition, and categorizes words for focused learning. Enjoy a user-friendly interface with flexible settings for a personalized experience.

**Highlights:** 3 training modes: choose, write, speak, Speech recognition for speaking practice, Words categorized by topic, Mark known words, Example sentences for usage, Pronunciation of words and prompts

**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 (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 Полиглот 16 free?

Полиглот 16 costs $2.99, with no in-app purchases.

### Is DuoCards free?

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

### Which has better reviews, Полиглот 16 or DuoCards?

Полиглот 16 is rated higher. Полиглот 16 averages 5.0 out of 5 from 3 ratings, while DuoCards averages 4.7 from 1.4K ratings.

### Do Полиглот 16 or DuoCards have ads?

DuoCards shows ads; Полиглот 16 does not.

### Which is updated more often, Полиглот 16 or DuoCards?

Полиглот 16 ships an update every 11 months, and DuoCards monthly. Most recently, Полиглот 16 was updated on October 20, 2026 and DuoCards on October 20, 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.*