DUO LINK 4 vs Sentimo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DUO LINK 4
Manage and transfer files between your iOS device and a USB flash drive. Free up storage, back up data, and even charge your device. Supports a wide range of file formats for seamless integration.
- Free up iPhone/iPad space
- Charge iOS devices
- Back up contacts
- Transfer photos and videos
- Store photos directly
- Manage files
- Music and video playback
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PNY DUO LINK 4 app, designed to work with DUO LINK OTG USB 3.0 Flash Drive brings you the ability to do more when it comes to file transfer, saving, sharing, accessing and streaming. Simply connect the DUO LINK OTG USB 3.0 Flash Drive to your iPhone and iPad and start syncing, transferring, sharing files, photos, videos and more with ease. DUO LINK OTG USB 3.0 is a flash drive designed for iPhone and iPad that enables you to free up space on your iOS device, save and protrect your contents into DUO LINK and even transfer then to your computer. DUO LINK OTG USB 3.0 also provides the ability for you to charge your iPhone and iPad. Features and Benefits: - Free up space on your iPhone or iPad. - Charge your iOS device. - Back-up your contacts. - Transfer and share your videos, photos and more. - Store photos directly into DUO LINK and save space on your iPhone or iPad. - Manage files on your iPhone, iPad and on DUO LINK. - Supports independent music and video playback. - Automatically back up your photos and videos so that you don't have to. Support: Please visit PNY Support at www.pny.com/support/technical-support Supported file formats: - video: M4V/MP4/MOV - Audio: M4A, CAF, AIFF, ASF, AAC, mp3, wav - Picture: TIFF, JPEG,JPG,PNG,GIF,BMP - Document: DOC, DOCX, PAGES, RTF, TXT , PPT, PPTX, PDF, XLS, XLSX, NUMBERS, KEY, HTML PNY takes no responsibility or liability with respect to the download or usage of DUO-LINK 4 app. By downloading this app you agree to the end user license agreement from PNY, also available at http://www.pny.com/File%20Library/Unassigned/PNY--On-the-Go-End-User-License-Agreement.pdf .
Sentimo
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Send something real. Sentimo turns everyday messages into something you can actually hold. Send a note, drawing, or photo from the Sentimo app and have it print on your partner's Sentimo; turning a quick message into a physical little surprise. SEND NOTES FROM ANYWHERE Write a message in the Sentimo app and send it directly to your partner. Whether you're across town or across the country, your note will be waiting to print from their Sentimo. DRAW SOMETHING Sometimes a doodle says it better. Draw right inside the app and send your creation as a physical note. TURN PHOTOS INTO PRINTS Choose a photo and Sentimo automatically transforms it for black-and-white thermal printing. MADE FOR TWO Pair with your partner and create your own private space for sending meaningful little moments back and forth. NO INK. NO SUBSCRIPTION. Sentimo uses thermal printing, so there's no ink to replace. The Sentimo app is free to use with your Sentimo device. Texts disappear into a feed. Sentimos stick around. Send something real.
Screenshots
Verdict
The clearest difference is iOS requirement: DUO LINK 4 at 11.0 against Sentimo's 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.
| Parameter | DUO LINK 4 | Sentimo |
|---|---|---|
| Price | Free | Free |
| Rating | 2.1 (513 ratings) — better | — |
| Positive reviews | 19.8% of reviews | — |
| Number of ratings | 513 — better | — |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 123 MB | 45 MB |
| Age rating | 4+ | 17+ |
| Developer | PNY | Sentimo L.L.C. |
Bugs and requests
DUO LINK 4
Reported bugs
3 issues- App fails to detect connected device
- Transferred files not visible or accessible
- Inconsistent behavior when renaming folders
Requested features
4 requests- Add 'select all' option for photos/files
- Support for more file formats
- Improve iPad app experience
- Integrate with native Files app
Sentimo
Not enough reviews yet to summarise bugs or requests.
In-app purchases
DUO LINK 4
No in-app purchases
Sentimo
No in-app purchases









