# Zahir Certification vs Kkuljaem

The clearest difference is review sentiment: Kkuljaem at 71% against Zahir Certification's 0%. Kkuljaem also leads on update cadence (every 11 days vs every 18 months). Zahir Certification's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Zahir Certification sells 1 one-off in-app purchase and Kkuljaem sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Zahir Certification ships an update every 18 months, Kkuljaem every 11 days. The most recent releases landed on November 10, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Zahir Certification | Kkuljaem |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **70.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 11 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 72 MB | 19 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Zahir Internasional](https://appshunter.io/developer/808581661) | [Jongdae Han](https://appshunter.io/developer/1777005068) |

## What reviewers say

### Zahir Certification

[App page](https://appshunter.io/ios/app/zahir-certification/id1355648648)

This program offers official certification for users of Zahir applications, validating their accounting and bookkeeping skills. It provides a simple and practical way to gain legitimacy as a qualified professional user.

**Highlights:** Official certification for Zahir application users, Validates accounting and bookkeeping skills, Provides legitimacy as a professional user, Simple and practical certification process, Standardizes ability in using Zahir application

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zahir Certification | $149.99 | one-time |


### Kkuljaem

[App page](https://appshunter.io/ios/app/kkuljaem/id1586145527)

Master Korean language and prepare for TOPIK exams with this comprehensive learning app. It offers video classes, interactive games, Hangeul lessons, and practice tests to guide you from beginner to advanced levels.

**Highlights:** Video classes for all levels, Interactive learning games, Hangeul and dictionary tools, TOPIK exam preparation, Speaking practice with feedback, Korea study and work information, Progress tracking and certificates

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Korean Conversation (1 month) | $1.99 | one-time |
| Basic Japanese (1 month) | $1.99 | one-time |
| TOPIK 2 (1 month) | $2.99 | one-time |
| Korean Vocabulary (3 months) | $2.99 | one-time |
| Korean Conversation (3 months) | $2.99 | one-time |
| Basic Japanese (3 months) | $2.99 | one-time |
| Basic Japanese (6 months) | $4.99 | one-time |
| Korean Conversation (6 months) | $4.99 | one-time |
| TOPIK 2 (3 months) | $5.99 | one-time |
| TOPIK 2 (6 months) | $9.99 | one-time |


## Frequently asked questions

### Is Zahir Certification free?

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

### Is Kkuljaem free?

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

### Do Zahir Certification or Kkuljaem have ads?

Neither Zahir Certification nor Kkuljaem shows ads.

### Which is updated more often, Zahir Certification or Kkuljaem?

Zahir Certification ships an update every 18 months, and Kkuljaem every 11 days. Most recently, Zahir Certification was updated on November 10, 2026 and Kkuljaem on November 3, 2026.

---

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