OIS vs ProCast
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OIS
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本App為Immersive 3D Class的操控App。 Immersive 3D Class整合各種影視與AI技術運用於教學領域，讓遠距教學不再是辛苦的教學備案，引領前進教育科技，詮釋教材另一種可能性。 Immersive 3D Class功能： 01.可即時進行綠幕或無幕的人像去背，讓遠距教學也可看到老師本人與教材的相對關係。 02.即時疊層多層課程教材，其元素大致包含圖片、影片、PPT簡報及3D物件...等。 03.多層教材編排，藉由腳本編輯器編輯所有教材，老師僅需切換頁數即可輕鬆講解。 04.老師可透過平板App輕鬆操控：進行教材頁數切換、3D物件執行放大、縮小、旋轉、位移以及一鍵拆解。 05.教學過程皆可進行錄播，提供後續留存回放複習觀看，或亦可直播進行實況教學。 軟體介紹：https://www.sdc.org.tw/product/optoma-mr%e6%95%99%e8%82%b2%e7%96%8a%e5%b1%a4%e7%b3%bb%e7%b5%b1/
ProCast
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Mirror your smartphone's screen to up to 4 TVs or projectors using the ProCast app with NimbleTech devices (EZCast Pro Dongle/Box etc). The ProCast app has been widely used globally and has proven to increase productivity in meeting, education, and enterprise scenarios. This app will help you: - Mirror your phone up to 4 TVs/Projectors - Cast photos/videos/PPT - Share documents during presentations How it works: 1. Connect NimbleTech devices to your network using Websetting. 2. Ensure your mobile phones are connected to the same network. 3. Open the app and select the devices you want to mirror to. Features - Proven one-to-four broadcasting functionality (dependent on network performance) - User-friendly interface for easy startup - Increased productivity with no effort - High-quality screen mirroring with low latency - Suitable for PowerPoint slides, video, or photo playback
Screenshots
Verdict
The clearest difference is update cadence: OIS at every 2 months against ProCast's every 5 months. OIS also leads on iOS requirement (12.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
OIS ships an update every 2 months, ProCast every 5 months. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.
| Parameter | OIS | ProCast |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 156 MB | 11 MB |
| Age rating | 17+ | 4+ |
| Developer | Optoma Corporation | NimbleTech Digital Inc. |
In-app purchases
OIS
No in-app purchases
ProCast
No in-app purchases
