DUO LINK 4 vs Hallmark Cards Now
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 .
Hallmark Cards Now
Send personalized e-cards or physical cards instantly via text or email. Customize messages and photos, and get reminders for special occasions. Manage your rewards program within the app.
- Send e-cards via text/email
- Personalize and mail physical cards
- Add custom photos and text
- Browse cards for all occasions
- Manage Hallmark Crown Rewards
- Set card sending reminders
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Want to send birthday wishes ASAP? Still getting around to sending that thank you card? Looking to brighten a friend’s day? Send a free eCard straight to their phone by text or email. Or surprise them with a paper card with a message and photos customized by you and delivered by mail. No stamp? No worries—we’ve got you covered. With Hallmark Cards Now, you can say what you want to say, your way, right away. Keep more in control of your rewards than ever before! Hallmark Crown Rewards members can use the app to manage and access their rewards—even in stores! Convert points, earn Hallmark rewards, enjoy exclusive savings and more, all on the Hallmark Cards Now app. Never miss a moment with Hallmark Reminders® in the app! Set reminders and get notified two weeks before so you can send your card on time. SEND CARDS INSTANTLY • Easily send eCards by text message or email • Personalize a paper card and send it from your phone to their mailbox—postage included CREATE PICTURE-PERFECT CARDS • Browse and personalize cards for all occasions, such as birthday, holidays, wedding, anniversary, sympathy and “just because” • Add your own photos and text for a one-of-a-kind card
Screenshots
Verdict
The clearest difference is review sentiment: Hallmark Cards Now at 65% against DUO LINK 4's 20%. Hallmark Cards Now also leads on rating (4.9 vs 2.1) and update cadence (fortnightly vs every 2 months). DUO LINK 4's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 16.6). On price, ads, in-app purchases and monetization model 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.
Hallmark Cards Now holds the better App Store score, 4.9 against 2.1. That said, the two scores are not equally well evidenced: Hallmark Cards Now has 10K ratings behind it against 513, so its average is the more settled of the two. Written reviews point the same way: 20% of DUO LINK 4's written reviews are positive against 65% of Hallmark Cards Now's.
DUO LINK 4 ships an update every 2 months, Hallmark Cards Now fortnightly. The most recent releases landed on November 2, 2026 and November 8, 2026 respectively.
| Parameter | DUO LINK 4 | Hallmark Cards Now |
|---|---|---|
| Price | Free | Free |
| Rating | 2.1 (513 ratings) | 4.9 (10K ratings) — better |
| Positive reviews | 19.8% of reviews | 64.6% of reviews — better |
| Number of ratings | 513 | 10K — better |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 11.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 123 MB | 144 MB |
| Age rating | 4+ | 12+ |
| Developer | PNY | Hallmark Marketing Company, LLC |
Customer experience
DUO LINK 4
Hallmark Cards Now
User reviews
DUO LINK 4
From 513 App Store ratingsWhat we love
- 🚀 Efficient file transfer
- 💡 Useful for freeing up phone storage
- 👍 Straightforward to use
Room to improve
- 🐛 Frequent app crashes
- 🔍 Confusing or limited UI
- 🔌 Compatibility issues with newer devices
- 💾 Data loss or corruption
Hallmark Cards Now
From 10K App Store ratingsWhat we love
- 💡 Convenient electronic card sending
- 👍 User-friendly interface
- 🚀 Quick and easy to use
- 💡 Personalization options
- 👍 Variety of card designs
Room to improve
- 💰 Expensive pricing for physical cards
- 🐛 Frequent app crashes and freezes
- 🔍 Limited customization options
- 🔍 Restricted character count for messages
- 🔍 Lack of integration with rewards program
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
Hallmark Cards Now
Reported bugs
4 issues- Login issues causing white screen
- Inconsistent card editing functionality
- Syncing problems between app and website
- Incomplete address verification
Requested features
5 requests- Ability to copy/resend personalized cards
- More card design options
- Integration with contacts/address book
- Favorites feature to save preferred cards
- Expanded character count for messages
In-app purchases
DUO LINK 4
No in-app purchases
Hallmark Cards Now
No in-app purchases
Questions
Is DUO LINK 4 free?
Is Hallmark Cards Now free?
Which has better reviews, DUO LINK 4 or Hallmark Cards Now?
Do DUO LINK 4 or Hallmark Cards Now have ads?
Which is updated more often, DUO LINK 4 or Hallmark Cards Now?
Other comparisons
