# HB OTP vs 우리학원e 출결앱

The clearest difference is update cadence: 우리학원e 출결앱 at every 3 days against HB OTP's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

HB OTP ships an update every 5 weeks, 우리학원e 출결앱 every 3 days. The most recent releases landed on September 17, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | HB OTP | 우리학원e 출결앱 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Size | 8 MB | 51 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [(주)해법에듀](https://appshunter.io/developer/1091818260) | [(주)스마트러닝코리아](https://appshunter.io/developer/1085544891) |

## What reviewers say

### HB OTP

[App page](https://appshunter.io/ios/app/hb-otp/id6450350991)

**Features:** macOS Compatibility

**In-app purchases:** none


### 우리학원e 출결앱

[App page](https://appshunter.io/ios/app/e/id6575373971)

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

**In-app purchases:** none


## Frequently asked questions

### Is HB OTP free?

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

### Is 우리학원e 출결앱 free?

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

### Do HB OTP or 우리학원e 출결앱 have ads?

Neither HB OTP nor 우리학원e 출결앱 shows ads.

### Which is updated more often, HB OTP or 우리학원e 출결앱?

HB OTP ships an update every 5 weeks, and 우리학원e 출결앱 every 3 days. Most recently, HB OTP was updated on September 17, 2026 and 우리학원e 출결앱 on September 20, 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.*