Comparison

Merchant Link vs Solid Admin

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

Head to head
About

Merchant Link

This app allows qualified merchants to process transactions for program members using S3 cards and scan qualifying items. Merchants can access reporting, view transaction history, and manage their profile. It facilitates purchases of health-related items and OTC drugs.

Highlights
  • Process S3 transactions
  • Scan S3 cards
  • Scan UPC barcodes
  • Access settlement reporting
  • View transaction history
  • Email receipts to members
  • Capture receipt images
Read full description

The S3 Merchant Link mobile app is available for qualified merchants and retailers. You must submit an online application at S3MerchantLink.com in order to qualify and access the S3 Merchant Link mobile app. With the S3 Merchant Link mobile app, you can access the S3 retailer network to process S3 transactions for program members who receive benefits to spend on qualifying items including non-prescription OTC drugs and health-related items like antacids, cough drops, first aid supplies, pain relief, vitamins and more! With S3 Merchant Link, you can: Scan S3 cards to conduct balance inquiries and purchases for qualifying items. Scan UPC barcodes to identify qualifying items. Access settlement reporting and view transaction history. Email receipts to S3 members for completed transactions. Capture receipt images for completed transaction. Access the S3 Merchant Link web portal to view and manage your merchant profile including store locations and mobile app user access.

About

Solid Admin

Features
Read full description

Solid Admin is a powerful POS administration app designed to help store owners and authorized managers monitor and manage their business operations from anywhere. With Solid Admin, you can easily access important store information, monitor sales performance, manage inventory, and review business reports across multiple store locations. Key Features: • Sales Reports View sales performance and business reports directly from the app. Monitor current month, previous month, and yearly sales data to better understand your store's performance. • Sales History Access historical sales information and review past transactions and sales activity. • Inventory Management Monitor and manage your store inventory to help keep track of products and stock information. • Multiple Store Locations Manage and monitor information across multiple store locations from one convenient admin application. • Business Insights Review important store and sales data to better understand business performance and trends. • Store Management Access and manage essential store information and operational details. Solid Admin is designed for authorized store administrators and business managers who need convenient access to important POS and store management information. All reports and business data are available for viewing within the application.

Screenshots

Merchant Link4 screens
Solid Admin3 screens

Verdict

The call

The clearest difference is update cadence: Solid Admin at weekly against Merchant Link's every 5 weeks. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Merchant Link ships an update every 5 weeks, Solid Admin weekly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 9 level
Merchant Link versus Solid Admin: the parameters behind the verdict, then further details
ParameterMerchant LinkSolid Admin
PriceFreeFree
Rating3.2 (14 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings14 — better—
Update frequencyEvery 5 weeksWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.0 — better15.6
Further details — not scored
Size43 MB42 MB
Age rating4+4+
DeveloperSolutran, Inc.SMART B2B SOLUTIONS LLC

In-app purchases

None

Merchant Link

No in-app purchases

None

Solid Admin

No in-app purchases

Questions

Is Merchant Link free?
Merchant Link is free to download, with no in-app purchases.
Is Solid Admin free?
Solid Admin is free to download, with no in-app purchases.
Do Merchant Link or Solid Admin have ads?
Neither Merchant Link nor Solid Admin shows ads.
Which is updated more often, Merchant Link or Solid Admin?
Merchant Link ships an update every 5 weeks, and Solid Admin weekly. Most recently, Merchant Link was updated on November 3, 2026 and Solid Admin on October 31, 2026.

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