233621 vs Cornell Self
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
233621
This app enhances the functionality of compatible acoustic earphones by connecting via Bluetooth. It allows for quick headset function settings and supports over-the-air firmware upgrades to improve the listening experience and unlock product potential.
- Bluetooth connectivity
- Headset function settings
- OTA firmware upgrades
- Enhanced listening experience
- Unlock product potential
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233621 app is an intelligent extension of 233621 acoustic earphone. Connect your smartphone through Bluetooth, you can quickly set the function of the headset, and support OTA firmware upgrade to improve the headset, continuously improve your listening experience, and release the full potential of your 233621 Bluetooth product. In the future, we will continue to update the app to provide you with more functions and services
Cornell Self
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Cornell University Library Self-Checkout is a quick and convenient way to borrow items from our collection. Download the app on your smartphone or tablet, and use it anywhere inside participating library locations on the Ithaca campus. You can even check out books straight from the shelves! The app will automatically recognize your library location. Just enter your Cornell ID number into the app when prompted, and use the camera on your smartphone or tablet to scan the barcodes of the items you’d like to check out. In addition to the app, self-checkout kiosks are available. This pilot program is currently not available for Adelson Library, the Mui Ho Fine Arts Library, and the Sidney Cox Library of Music and Dance.
Screenshots
Verdict
The clearest difference is update cadence: Cornell Self at fortnightly against 233621's every 5 weeks. 233621's advantage is iOS requirement (12.1 vs 15.0). 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.
233621 ships an update every 5 weeks, Cornell Self fortnightly. The most recent releases landed on October 22, 2026 and October 20, 2026 respectively.
| Parameter | 233621 | Cornell Self |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.1 — better | 15.0 |
| Further details — not scored | ||
| Size | 140 MB | 356 MB |
| Age rating | 4+ | 17+ |
| Developer | Shenzhen Grandsun Electronic Co.,Ltd | Meescan Inc. |
In-app purchases
233621
No in-app purchases
Cornell Self
No in-app purchases
