# OTL vs 짤카이브

The clearest difference is device support: OTL at 3 against 짤카이브's —. On price, in-app purchases and iOS requirement there is nothing between them.

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

## The numbers

| Metric | OTL | 짤카이브 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 92.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Monthly | — |
| Monetization | Free | — |
| Size | 115 MB | 66 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 9+ | 4+ |
| Developer | [SPARCS](https://appshunter.io/developer/1687472027) | [jiyong yoon](https://appshunter.io/developer/1566821873) |

## What reviewers say

### OTL

[App page](https://appshunter.io/ios/app/otl/id1579878255)

Easily search for all courses, view your daily schedule at a glance, and get notified about important academic dates. Organize your next semester's timetable, compare various metrics, and read and rate course reviews.

**Highlights:** Course search and filtering, Daily schedule overview, Academic event notifications, Timetable creation and comparison, Course review reading and rating, Personalized academic information

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

**In-app purchases:** none


### 짤카이브

[App page](https://appshunter.io/ios/app/id6464375270)

**In-app purchases:** none


## Frequently asked questions

### Is OTL free?

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

### Is 짤카이브 free?

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

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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.*