Comparison

DUO LINK 4 vs IngredientGuard

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Free up iPhone/iPad space
  • Charge iOS devices
  • Back up contacts
  • Transfer photos and videos
  • Store photos directly
  • Manage files
  • Music and video playback
Features
Read full description

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 .

About

IngredientGuard

Features
Read full description

IngredientGuard helps you scan food barcodes and review ingredient, allergen, and nutrition details in seconds. Use IngredientGuard to: - Scan packaged food products with your iPhone camera - View ingredient lists in a clear, easy-to-read format - See declared allergens and nutrition details when available - Check nutrition highlights before you eat or buy - Keep a personal watchlist of ingredients you want to avoid - Flag possible ingredient matches based on your saved profile - Revisit recent scans for faster repeat lookups IngredientGuard is designed to help you shop with more confidence, compare products more easily, and stay aware of what is in the foods you bring home. Subscription Disclosure: IngredientGuard is free to download and includes limited free scans. Unlimited scans and certain premium features require a separate auto-renewing subscription purchase. Premium subscription options: - Monthly subscription - Yearly subscription Important: IngredientGuard provides ingredient and product information tools, but it is not a medical app and should not replace professional medical advice, diagnosis, treatment, or label verification. Always review product packaging and consult a qualified professional for allergy or health-related decisions. Privacy Policy: https://abdi1001.github.io/IngridientGuard/privacy Terms of Use: https://abdi1001.github.io/IngridientGuard/terms

Screenshots

DUO LINK 44 screens
IngredientGuard3 screens

Verdict

The call

The clearest difference is in-app purchases: DUO LINK 4 at none against IngredientGuard's 2. DUO LINK 4 also leads on iOS requirement (11.0 vs 16.0). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. IngredientGuard sells 2 in-app purchases, starting at $1.99 per month. DUO LINK 4 asks for nothing beyond the download.

Scorecard2 real differences · 8 level
DUO LINK 4 versus IngredientGuard: the parameters behind the verdict, then further details
ParameterDUO LINK 4IngredientGuard
PriceFreeFree
Rating2.1 (498 ratings) — better—
Positive reviews19.8% of reviews—
Number of ratings498 — better—
Update frequencyEvery 2 months—
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better16.0
Further details — not scored
Size123 MB2 MB
Age rating4+4+
DeveloperPNYAbdifatah Abdiwali Ahmed

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

IngredientGuard

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

DUO LINK 4

No in-app purchases

2 purchases

IngredientGuard

Subscriptions2
  • Premium Monthly$1.991 Month
  • Premium Yearly$14.991 Year

Questions

Is DUO LINK 4 free?
DUO LINK 4 is free to download, with no in-app purchases.
Is IngredientGuard free?
IngredientGuard is free to download, with in-app purchases available.
Do DUO LINK 4 or IngredientGuard have ads?
Neither DUO LINK 4 nor IngredientGuard shows ads.

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