# Bubblegum vs Sejong Study

The clearest difference is price: Bubblegum at Free against Sejong Study's $1.99. Bubblegum also leads on update cadence (daily vs every 5 months) and iOS requirement (16.0 vs 18.2). Sejong Study's advantage is in-app purchases (none vs 10) and review sentiment (100% vs 79%). On ads and device support there is nothing between them.

Bubblegum is free to download; Sejong Study costs $1.99 up front. Bubblegum sells 10 in-app purchases, starting at $5.99 per 7 days. Sejong Study asks for nothing beyond the download.

Bubblegum ships an update daily, Sejong Study every 5 months. The most recent releases landed on October 20, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Bubblegum | Sejong Study |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.9 (168 ratings)](https://appshunter.io/ios/app/bubblegum-learn-languages/id6578440980/reviews)** | — |
| Number of ratings | **168** | — |
| Positive reviews | 78.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 185 MB | 380 MB |
| Requires iOS | **16.0** | 18.2 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 4+ |
| Developer | [Bubblegum Languages](https://appshunter.io/developer/1737615892) | [Jeffrey Dick](https://appshunter.io/developer/821338172) |

## What reviewers say

### Bubblegum

[App page](https://appshunter.io/ios/app/bubblegum-learn-languages/id6578440980)

This app uses AI to create personalized Korean reading materials with inline translations and audio. It features an AI tutor for explanations and practice, and a unique review system that resurfaces saved vocabulary within new content. Track your progress with encouraging statistics.

**Highlights:** AI-generated personalized reading content, Inline translations and grammar explanations, Synchronized audio narration, AI Korean tutor chatbot, Regenerative vocabulary review, Progress tracking and statistics

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bubblegum Pro Weekly Subscription | $5.99 | per 7 days |
| Bubblegum Pro Monthly Subscription | $13.99 | per month |
| Bubblegum Plus Monthly Subscription | $14.99 | per month |
| Bubblegum Pro Monthly Subscription | $17.99 | per month |
| Bubblegum Pro Annual Subscription | $69.99 | per year |
| Bubblegum Pro Annual Subscription | $69.99 | per year |
| Bubblegum Pro Annual Subscription | $79.99 | per year |
| Bubblegum Pro Annual Subscription | $99.99 | per year |
| Bubblegum Pro 6-Month Subscription | $119.99 | per 6 months |
| Founding Member | $899.99 | one-time |


### Sejong Study

[App page](https://appshunter.io/ios/app/sejong-study-learn-korean/id6741785534)

This app offers a comprehensive suite of tools for learning Korean, including a story-based course, classic fables, flashcards, and a dictionary. It covers grammar, vocabulary, and speech levels with interactive quizzes and tap-to-translate features.

**Highlights:** 24-chapter story-based course, Classic Korean fables with audio, Spaced-repetition flashcards, Korean-English dictionary, Grammar and vocabulary notes, Tap-to-translate functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is Bubblegum free?

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

### Is Sejong Study free?

Sejong Study costs $1.99, with no in-app purchases.

### Do Bubblegum or Sejong Study have ads?

Neither Bubblegum nor Sejong Study shows ads.

### Which is updated more often, Bubblegum or Sejong Study?

Bubblegum ships an update daily, and Sejong Study every 5 months. Most recently, Bubblegum was updated on October 20, 2026 and Sejong Study on October 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*