# 칼람 vs OopsKit

The clearest difference is iOS requirement: OopsKit at 15.0 against 칼람's 18. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

칼람 ships an update every 2 months, OopsKit every 5 weeks. The most recent releases landed on September 20, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | 칼람 | OopsKit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 1 MB | 67 MB |
| Requires iOS | 18 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [JIEUN LEE](https://appshunter.io/developer/1833759690) | [YEONEE KIM](https://appshunter.io/developer/1841553765) |

## What reviewers say

### 칼람

[App page](https://appshunter.io/ios/app/id6751163610)

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

**In-app purchases:** none


### OopsKit

[App page](https://appshunter.io/ios/app/oopskit/id6752884289)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 칼람 free?

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

### Is OopsKit free?

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

### Do 칼람 or OopsKit have ads?

Neither 칼람 nor OopsKit shows ads.

### Which is updated more often, 칼람 or OopsKit?

칼람 ships an update every 2 months, and OopsKit every 5 weeks. Most recently, 칼람 was updated on September 20, 2026 and OopsKit on May 16, 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.*