# OPass App — Never crowded crowds in conf

> Conference companion app for event information and self-check-in. (iPhone/iPad app by OCF.)

- Source: https://appshunter.io/ios/app/opass-app/id1436417025 (this page in markdown: same URL + `.md`)
- Developer: [OCF](https://appshunter.io/developer/1414180079)
- Category: Reference, Utilities
- Price: Free
- Rating: 4.70/5 from 3 App Store ratings · 4 written reviews indexed
- Age rating: 4+
- Requires: iOS 17.0 · 13 MB
- Languages: American English, Hindi, Japanese, Korean, Min Nan Chinese, Norwegian Bokmål, Tamil, Chinese (Traditional, Taiwan)
- Released: 2018-09-26
- Data updated: 2026-08-15
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/opass-app/id1436417025/reviews.md

## What is OPass App?

"OPass" was made by our many times experience, we do not only have the self-checkin functional and also integrated conference agenda and speakers information, let you grab many pieces of information in convenience after installing the "OPass" !!
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"OPass" main features:
• Self-checkin (fast pass)
• Agenda
• Speakers Information
• Announcement
• IRC Log
• In-House Map
• And many features can be enabled by the organizer
---
We supported conferences:
• COSCUP
• SITCON
• PyConTW
• g0v summit
• HITCON
• and more extensible for whatever you want to do !

## Key features

- Self-check-in
- Conference agenda
- Speaker information
- Announcements
- In-house map
- IRC Log

## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/opass-app/id1436417025/reviews.md

### 5/5 — 很適合研討會

*2020-09-05, version 3.0.1326*

用起來很順，需要的資料都找得到。報到也很方便，但似乎有一點耗電

### 5/5 — 讚喔👍

*2019-08-17, version 3.0.1191*

灰熊厲害

### 5/5 — Good

*2019-03-24, version 3.0.1004*

Good

### 5/5 — 期許OPASS 可以整合更多功能～

*2018-10-05, version 3.0.151*

期許 OPASS 在整合各個研討會後，有機會可以整合更多功能～

## Frequently asked questions about OPass App

### What is OPass App?

OPass App is a reference application designed to enhance the conference experience. It offers features like self-check-in, agenda details, and speaker information for attendees.

### What conferences are supported by OPass App?

OPass App supports conferences such as COSCUP, SITCON, PyConTW, g0v summit, and HITCON, with extensibility for other events.

### Is OPass App free to use?

Yes, OPass App is available for free. It does not have any in-app purchases or advertisements.

### What devices is OPass App compatible with?

OPass App is currently supported on iPhones. Information regarding Android or other device compatibility is not provided.

### How often is OPass App updated?

The latest version of OPass App is 4.3.6, last updated on April 23, 2026. This indicates a recent update, suggesting ongoing support and development.

### What is the age rating for OPass App?

OPass App has an age rating of 4+, making it suitable for a wide range of users.

### What are the main features of OPass App?

Key features include self-check-in for a fast pass, access to the conference agenda, speaker information, announcements, IRC logs, and an in-house map.

### How does OPass App improve the conference experience?

OPass App streamlines the event experience by providing convenient access to all necessary information, such as schedules and speaker details, and enabling quick self-check-in.

## Version history (last 5 releases)

### 4.3.7 — 2026-08-08

Fix bugs, make some improvements, and wander around COSCUP 2026.

### 4.3.6 — 2026-04-23

Improve localization.

### 4.3.5 — 2025-08-06

New QR code style and some fixes.

### 4.3.4 — 2025-07-30

Enhanced QR code scanning, improved UniversalLink handling, and briefly considered becoming a QR code itself.

### 4.3.3 — 2025-03-16

Fixed bugs, added Japanese translation, and briefly considered mastering every language in the multiverse.

## More apps by OCF

- [NKUST AP](https://appshunter.io/ios/app/nkust-ap/id1439751462)
- [NSYSU AP](https://appshunter.io/ios/app/nsysu-ap/id1467522198)
- [文藻校務通](https://appshunter.io/ios/app/id1536450161)

All apps by OCF: https://appshunter.io/developer/1414180079

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-15.*