# 무인택배24 vs OTL

The clearest difference is review sentiment: OTL at 93% against 무인택배24's 14%. OTL also leads on update cadence (every 5 weeks vs every 3 months). 무인택배24's advantage is iOS requirement (10.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

무인택배24 ships an update every 3 months, OTL every 5 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | 무인택배24 | OTL |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 14.3% of reviews | **92.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 4 MB | 115 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Ryu SiYoun](https://appshunter.io/developer/1020554071) | [SPARCS](https://appshunter.io/developer/1687472027) |

## What reviewers say

### 무인택배24

[App page](https://appshunter.io/ios/app/24/id1490516588)

Easily retrieve packages from smart lockers without authentication numbers. Offers features like secure number retrieval, re-opening compartments, and KakaoTalk support for assistance. Payment for locker usage can also be handled within the app.

**Highlights:** Retrieve packages without authentication numbers, Use secure/similar numbers for retrieval, Re-open compartments within 60 seconds, Request authentication via KakaoTalk, In-app payment for locker usage

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 무인택배24 free?

무인택배24 is free to download, with no in-app purchases.

### Is OTL free?

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

### Do 무인택배24 or OTL have ads?

Neither 무인택배24 nor OTL shows ads.

### Which is updated more often, 무인택배24 or OTL?

무인택배24 ships an update every 3 months, and OTL every 5 weeks. Most recently, 무인택배24 was updated on November 3, 2026 and OTL on November 3, 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.*