Solid Rock Church vs DUO LINK 4
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Solid Rock Church
Engage with a church community, access media content, and make donations conveniently. Stay informed about church events and updates.
- Community engagement
- Media content access
- Convenient donations
- Event updates
- Learn about the church
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Connect and engage with our community through the Solid Rock Church app! Download our app to discover our media content, give a donation conveniently, or learn more about us. Stay connected and keep up to date with everything happening at Solid Rock Church.
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 .
Screenshots
Verdict
The clearest difference is review sentiment: Solid Rock Church at 100% against DUO LINK 4's 20%. Solid Rock Church also leads on rating (4.3 vs 2.1). DUO LINK 4's advantage is ratings volume (513 vs 4) and iOS requirement (11.0 vs 16.0). On price, update cadence, ads and in-app purchases 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.
Solid Rock Church holds the better App Store score, 4.3 against 2.1. That said, the two scores are not equally well evidenced: DUO LINK 4 has 513 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 100% of Solid Rock Church's written reviews are positive against 20% of DUO LINK 4's.
Solid Rock Church ships an update every 4 months, DUO LINK 4 every 2 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.
| Parameter | Solid Rock Church | DUO LINK 4 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (4 ratings) — better | 2.1 (513 ratings) |
| Positive reviews | 100.0% of reviews — better | 19.8% of reviews |
| Number of ratings | 4 | 513 — better |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 43 MB | 123 MB |
| Age rating | 12+ | 4+ |
| Developer | Solid Rock Worship Center | PNY |
Customer experience
Solid Rock Church
DUO LINK 4
Bugs and requests
Solid Rock Church
Not enough reviews yet to summarise bugs or 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
In-app purchases
Solid Rock Church
No in-app purchases
DUO LINK 4
No in-app purchases
Questions
Is Solid Rock Church free?
Is DUO LINK 4 free?
Which has better reviews, Solid Rock Church or DUO LINK 4?
Do Solid Rock Church or DUO LINK 4 have ads?
Which is updated more often, Solid Rock Church or DUO LINK 4?
Other comparisons
