ETH polybox vs ETH Video
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ETH polybox
This app provides secure online data storage and exchange for ETH Zurich members. It functions as a digital storage solution, offering 50 GB of space on campus servers to avoid external storage risks. Sync clients are available for easy access across devices.
- Secure online data storage
- Data exchange for ETH members
- 50 GB storage space
- Avoids external storage
- Sync clients for all OS
- ETH account required
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Note: To use this app an ETH Zurich account is required! The polybox service is used for online data storage and is a safe place for ETH members to exchange data with each other. The polybox service covers the following use case: «polybox – Use it as a logical memory stick – save your data on the ETH campus» As an internal service provider, the ITS System Services (SD) offers all ETH members the service «polybox.ethz.ch» with 50 GB of storage space on the ETH Zurich’s storage facilities. The data stored on the polybox servers are stored on the central storage facilities of the ETH Zurich. Using the service polybox avoids the usage of external (uncontrollable) storage. Sync Clients are provided for an efficient and easy use of the service polybox for all common operating systems (mobile as well as desktop). All ETH members have access to the polybox service. On the first login on «polybox.ethz.ch» with the ETH account, an account with 50 GB of storage is created automatically.
ETH Video
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ETH Video lets you catch up on ETH Zürich lectures anywhere: stream or download the recordings, search their transcripts and watch at your own speed. Add each lecture series once, and it stays in one list on iPhone, iPad, Mac and Apple Vision Pro. • Offline downloads — save recordings in the quality you choose and watch them on the train • Searchable transcripts — where ETH provides one, find where a topic comes up and jump straight to it • Your own pace — play at 0.5x to 2.5x, or keep watching in Picture in Picture while you take notes • Watch History — turn it on to resume where you stopped and see how many recordings are left • Restricted lectures — watch login-only recordings with your ETH Account or a lecture's own password • SharePlay — watch with classmates on FaceTime, with playback kept in sync • iCloud sync — optionally keep your lecture list, settings and Watch History on all your devices ETH Video is free, with no sign-up, tracking or analytics, and your ETH sign-in is stored securely in your Keychain. It is an independent app, not affiliated with ETH Zürich; recordings and transcripts come from ETH. Privacy Policy: https://ethvideo.ch/privacy Terms of Use: https://ethvideo.ch/terms
Screenshots
Verdict
The clearest difference is update cadence: ETH Video at monthly against ETH polybox's every 6 months. ETH Video also leads on device support (4 vs 2). On price, ads, in-app purchases and iOS requirement 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.
ETH polybox ships an update every 6 months, ETH Video monthly. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.
| Parameter | ETH polybox | ETH Video |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, Mac, Vision Pro — better |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 229 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | ETH Zurich | Alexandre Reol |
In-app purchases
ETH polybox
No in-app purchases
ETH Video
No in-app purchases







