# DevPrep vs Dalgi

The clearest difference is ads: DevPrep at none against Dalgi's shown. DevPrep also leads on update cadence (every 9 days vs every 3 months) and device support (4 vs 2). Dalgi's advantage is iOS requirement (15.0 vs 17.0). On price and in-app purchases there is nothing between them.

Both are free to download. DevPrep sells 1 in-app purchase, starting at $2.99 per 6 months and Dalgi sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

DevPrep ships an update every 9 days, Dalgi every 3 months. The most recent releases landed on September 17, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | DevPrep | Dalgi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 3 months |
| Size | 28 MB | 69 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aliaksei Yelin](https://appshunter.io/developer/1502827500) | [Ravi Kumar Sharma](https://appshunter.io/developer/1695922963) |

## What reviewers say

### DevPrep

[App page](https://appshunter.io/ios/app/devprep-coding-interview/id1527624816)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get full access | $2.99 | per 6 months |


### Dalgi

[App page](https://appshunter.io/ios/app/dalgi-learn-korean-and-hangul/id6452400407)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $3.99 | per 7 days |
| Monthly subscription | $6.99 | per month |
| Yearly subscription | $17.99 | per year |


## Frequently asked questions

### Is DevPrep free?

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

### Is Dalgi free?

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

### Do DevPrep or Dalgi have ads?

Dalgi shows ads; DevPrep does not.

### Which is updated more often, DevPrep or Dalgi?

DevPrep ships an update every 9 days, and Dalgi every 3 months. Most recently, DevPrep was updated on September 17, 2026 and Dalgi on September 26, 2026.

---

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