# DuoCards vs IZI

The clearest difference is rating: DuoCards at 4.7 against IZI's 1.0. DuoCards also leads on ratings volume (1.4K vs 1) and device support. IZI's advantage is in-app purchases (none vs 11). On price and iOS requirement there is nothing between them.

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

DuoCards holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: DuoCards has 1.4K ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | DuoCards | IZI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.4K ratings)](https://appshunter.io/ios/app/duocards-vocabulary-builder/id1508159917/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/izi/id6476436908/reviews) |
| Number of ratings | **1.4K** | 1 |
| Positive reviews | 63.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 19 MB | 42 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [DuoCards s.r.o](https://appshunter.io/developer/1508159916) | [IZI PRO TEAM, MChJ](https://appshunter.io/developer/1625591102) |

## What reviewers say

### 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


### IZI

[App page](https://appshunter.io/ios/app/izi/id6476436908)

Master French with interactive lessons covering grammar, vocabulary, and pronunciation. Practice speaking through dialogues and get feedback from tutors via online chat. Learn effectively with engaging methods.

**Highlights:** Visual grammar rules, Vocabulary memorization through associations, Practice simulator for real scenarios, Interactive dialogues for listening comprehension, Phonetics and pronunciation practice, Online chat with tutors

**In-app purchases:** none


## Frequently asked questions

### Is DuoCards free?

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

### Is IZI free?

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

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

DuoCards is rated higher. DuoCards averages 4.7 out of 5 from 1.4K ratings, while IZI averages 1.0 from 1 ratings.

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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.*