# Optimal Second Sight vs LINE WORKS

The clearest difference is update cadence: LINE WORKS at monthly against Optimal Second Sight's every 3 months. Optimal Second Sight's advantage is iOS requirement (10.0 vs 17.0). 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.

Optimal Second Sight ships an update every 3 months, LINE WORKS monthly. The most recent releases landed on October 11, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Optimal Second Sight | LINE WORKS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (182 ratings)](https://appshunter.io/ios/app/line-works-team-communication/id1012129122/reviews)** |
| Number of ratings | — | **182** |
| Positive reviews | — | 28.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Freemium |
| Size | 18 MB | 344 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OPTiM Corporation](https://appshunter.io/developer/484555009) | [LINE WORKS Corp.](https://appshunter.io/developer/1681706614) |

## What reviewers say

### Optimal Second Sight

[App page](https://appshunter.io/ios/app/optimal-second-sight/id901797532)

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

**In-app purchases:** none


### LINE WORKS

[App page](https://appshunter.io/ios/app/line-works-team-communication/id1012129122)

This business communication platform offers familiar chat usability with robust security and management features for professional environments. It facilitates real-time information sharing, task management, and integration with external services and AI products to automate processes.

**Highlights:** Intuitive business chat with LINE interface, Bulletin boards for announcements, Team calendar and task management, External service integration, AI-powered automation and meeting minutes, Secure file storage

**In-app purchases:** none


## Frequently asked questions

### Is Optimal Second Sight free?

Optimal Second Sight is free to download, with no in-app purchases.

### Is LINE WORKS free?

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

### Do Optimal Second Sight or LINE WORKS have ads?

Neither Optimal Second Sight nor LINE WORKS shows ads.

### Which is updated more often, Optimal Second Sight or LINE WORKS?

Optimal Second Sight ships an update every 3 months, and LINE WORKS monthly. Most recently, Optimal Second Sight was updated on October 11, 2026 and LINE WORKS on October 19, 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.*