# OnePop vs TOPIK Note

The clearest difference is ads: OnePop at none against TOPIK Note's shown. OnePop also leads on iOS requirement (13.0 vs 16.4). TOPIK Note's advantage is update cadence (every 4 days vs every 11 days). On price, in-app purchases and device support there is nothing between them.

Both are free to download. OnePop sells 3 one-off in-app purchases and TOPIK Note sells 6 in-app purchases, starting at $10.99 per month. Whichever you choose, the download price is not the number that matters.

OnePop ships an update every 11 days, TOPIK Note every 4 days. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | OnePop | TOPIK Note |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (48 ratings)](https://appshunter.io/ios/app/topik-note/id6761920888/reviews)** |
| Number of ratings | — | **48** |
| Positive reviews | — | 62.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 11 days | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 73 MB | 140 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Chiao Chi Chang](https://appshunter.io/developer/1862358848) | [Jihoon LEE](https://appshunter.io/developer/1885842090) |

## What reviewers say

### OnePop

[App page](https://appshunter.io/ios/app/onepop-learning-simplified/id6758580702)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Credit | $1.99 | one-time |
| 3 Credits | $4.99 | one-time |
| 10 Credits | $12.99 | one-time |


### TOPIK Note

[App page](https://appshunter.io/ios/app/topik-note/id6761920888)

Master Korean vocabulary for the TOPIK exam with intelligent spaced repetition and diverse learning methods. Practice with real exam questions and track your progress with detailed statistics. Tailored to all TOPIK levels, this app ensures efficient study by focusing on words that matter most.

**Highlights:** Spaced repetition system (SM-2), 4 learning methods per word, Audio pronunciation for words and sentences, Native Korean definitions and examples, Practice with real TOPIK exam questions, Progress tracking and statistics, Multi-language interface

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $10.99 | per month |
| Premium (Annual) | $64.99 | per year |
| Premium Lifetime - 60% OFF | $31.99 | one-time |
| Premium Lifetime - 50% OFF | $39.99 | one-time |
| Premium Lifetime - 30% OFF | $55.99 | one-time |
| Premium (Lifetime) | $79.99 | one-time |


## Frequently asked questions

### Is OnePop free?

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

### Is TOPIK Note free?

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

### Do OnePop or TOPIK Note have ads?

TOPIK Note shows ads; OnePop does not.

### Which is updated more often, OnePop or TOPIK Note?

OnePop ships an update every 11 days, and TOPIK Note every 4 days. Most recently, OnePop was updated on October 8, 2026 and TOPIK Note on October 12, 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.*