# HUJIapp vs DuoCards

The clearest difference is review sentiment: DuoCards at 63% against HUJIapp's 0%. DuoCards also leads on update cadence (monthly vs every 4 months). HUJIapp's advantage is in-app purchases (none vs 11) and ads (none vs shown). On price, device support 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. HUJIapp asks for nothing beyond the download.

HUJIapp ships an update every 4 months, DuoCards monthly. Both last shipped on October 29, 2026.

## The numbers

| Metric | HUJIapp | DuoCards |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (1.4K ratings)](https://appshunter.io/ios/app/duocards-vocabulary-builder/id1508159917/reviews)** |
| Number of ratings | — | **1.4K** |
| Positive reviews | 0.0% of reviews | **63.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 37 MB | 19 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HEBREW UNIVERSITY OF JERUSALEM (THE)](https://appshunter.io/developer/871691379) | [DuoCards s.r.o](https://appshunter.io/developer/1508159916) |

## What reviewers say

### HUJIapp

[App page](https://appshunter.io/ios/app/hujiapp/id871691376)

This app provides comprehensive information for guests, students, and faculty of the Hebrew University. Guests can access general information and a people search. Students can view grades, exam schedules, and timetables, while faculty can manage attendance.

**Highlights:** General information for guests, People search, Academic calendar, Student grades, Exam schedules, Timetables, Faculty attendance management

**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 HUJIapp free?

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

### Is DuoCards free?

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

### Do HUJIapp or DuoCards have ads?

DuoCards shows ads; HUJIapp does not.

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

HUJIapp ships an update every 4 months, and DuoCards monthly. Most recently, HUJIapp was updated on October 29, 2026 and DuoCards on October 29, 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.*