How to Choose a POS Cash Register

What is a POS cash register?

A POS cash register is a key component of a POS system that is more advanced than a traditional cash register. Unlike legacy machines that only calculate totals and store cash, modern POS registers often do much more than process transactions. They can process payments, update inventory in real time and print receipts while connecting with backend tools that help streamline daily workflows.

“A POS cash register is a computerized register that is connected to a wider control system and will usually have multiple individual registers on the network processing sales and accepting payments,” said John Moss, chief executive officer of English Blinds.

There are two primary types of POS cash registers: fixed and mobile. However, today’s POS systems often blur the line between the two. Many of the best retail POS systems let businesses build flexible setups that combine traditional checkout hardware with mobile devices.

What is a fixed POS cash register?

A fixed POS cash register is a stationary checkout setup connected to a business’s POS system. It’s typically installed at designated checkout locations and includes terminals, touchscreens, cash drawers and receipt printers. Most fixed POS systems also include or connect to card readers, allowing businesses to accept credit cards and digital payment methods.

These registers are usually paired with one of the best POS software platforms. Because they’re designed to stay in one location, fixed POS registers are commonly used in retail stores, restaurants and grocery markets where customers check out at a central counter.

For example, the image below shows the Square Register system from the POS provider Square. It’s pictured with a cash drawer, receipt printer and retail touchscreen terminal and also includes a customer-facing display that lets shoppers review and complete their part of the transaction.

What is a mobile POS (mPOS) cash register?

A mPOS cash register combines a mobile point-of-sale (mPOS) system with payment hardware and, in some cases, a cash drawer. mPOS setups run on tablets, smartphones or proprietary mobile devices and typically include a card reader that accepts NFC mobile payments as well as traditional card transactions. 

For businesses that still accept cash, adding a cash drawer provides a secure place to store money and make change when needed. While some businesses — such as restaurants using mPOS systems for tableside service — may not need a cash drawer, others, like food trucks and retailers selling at local events, often rely on one to recreate a more traditional register setup.

The image below shows a PayPal Point of Sale System (formerly known as PayPal Zettle) configuration with a mounted iPad, a mobile card reader for smartphones or tablets and a compatible cash drawer. This type of setup is a practical example of an mPOS cash register solution.

William Dawsey, former vice president of sales at Chetu — a custom software developer that works with payment service platforms — emphasized the payment versatility of mPOS solutions.

“Developments in payment technology allow transactions to be held on ubiquitous devices, such as mobile phones, that utilize near-field communication, quick response, barcode configurations, Bluetooth Low Energy and magnetic secure transmission technology,” Dawsey explained. “Additionally, mobile payment systems can utilize cryptocurrencies and digital wallet services.”

How to choose a POS cash register

Choosing the right POS cash register starts with selecting a compatible POS system. Because the hardware and software need to work together, compatibility is essential. As you evaluate options, consider your business needs, budget and long-term growth plans. Use the steps below to narrow your choices.

1. Evaluate the type of POS hardware you’ll need.

What are your hardware requirements? For example, a retail store might need one or more fixed POS terminals with receipt printers and barcode scanners. Many of the best restaurant POS systems include kitchen display systems, payment terminals and handheld mPOS devices for tableside checkout. A small service-based business may only need a smartphone card reader paired with a cash drawer to accept mobile payments.

Hardware design and durability also matter. Businesses with customer-facing setups may prioritize sleek, modern hardware, while restaurants often look for rugged devices that can withstand heat, spills and heavy daily use.

In short, the POS vendor you choose should offer hardware that fits how your business operates.

2. List the POS system features you’ll need.

POS platforms offer a wide range of features, but you don’t want to pay for tools you won’t use. Consider which of the following capabilities matter most for your business:

• Inventory tracking
• Sales analytics
• Employee management and scheduling tools
• Employee permissions
• Customer loyalty tools
• Appointment-setting tools

Your industry will dictate many of your POS requirements. Some businesses need specialized management tools, while others have simpler workflows. For example, a service-based business such as a bookkeeping firm or tutoring company may only need basic payment processing and customer management tools.

In contrast, a specialized outdoor equipment retailer may carry hundreds of products in different sizes, colors and styles. Keeping track of what’s in stock requires strong inventory management tools. Appointment-based businesses, meanwhile, may get more value from features like scheduling tools and automated reminders.

3. Set a budget for your POS system.

POS system costs vary widely — from entry-level free POS systems to platforms that cost hundreds of dollars per month. Establishing a clear budget early can help you narrow your choices and avoid paying for features you don’t need. Be sure to factor in upfront hardware and software costs alongside ongoing expenses such as subscription fees, payment processing fees and maintenance charges.

4. Choose between a cloud-based or on-premise system.

Some businesses prefer cloud-based POS software because it offers flexibility and remote access. Cloud systems let you review sales data from virtually any internet-connected device. Others choose an on-premise system that stores data locally and may offer more direct control over operations. Cloud-based options often come with lower upfront costs but rely on a stable business internet connection.

Many small businesses gravitate toward cloud-based systems because they’re relatively easy to set up and maintain. On-premise systems tend to appeal to organizations that want greater control over how their data is stored and managed.

5. Ensure hardware and software compatibility.

You may already have hardware you want to keep or a specific setup in mind. If so, make sure the POS system you choose works with your existing hardware or preferred devices. Businesses starting fresh often find it easiest to work with a vendor that bundles hardware and software together in a single package. Otherwise, choose software that fits your needs and verify that it’s compatible with your preferred hardware. Reading reviews and customer feedback can also help you gauge long-term reliability.

You may also want your POS system to connect with other business tools. Check that any platform you’re considering integrates with your accounting software and email marketing tools if you plan to keep your systems connected.

6. Test potential POS cash register solutions.

Your POS cash register must be intuitive for you and your staff to operate. Request a demo or free trial to evaluate a system’s usability before committing. A complicated interface can slow operations and require additional training, while unreliable hardware can create unnecessary headaches during busy periods.

7. Evaluate potential vendors’ customer support and scalability.

Your POS provider should offer reliable customer support and be able to resolve technical issues during your business hours. It’s also important to consider whether the system can grow alongside your business. For example, you may eventually want to add locations, support additional registers or integrate more advanced features.

8. Look at payment processing fees.

The POS cash register you choose must support your customers’ preferred payment methods, including credit cards, mobile payments and contactless transactions. According to the Federal Reserve’s 2026 Diary of Consumer Payment Choice, cash accounted for 14 percent of consumer payments in 2025, while credit and debit cards together represented roughly two-thirds of all payments. Look for a vendor with competitive POS charges and fees, including transparent payment processing fees, to help keep long-term costs manageable. 

9. Verify the POS platform’s security.

Choose a system with strong security measures, such as end-to-end encryption and Payment Card Industry Data Security Standard (PCI DSS) compliance, to help protect customer data and reduce the risk of credit card fraud.

PCI compliance is an important part of protecting customer payment data. With consumers reporting more than $15.9 billion in fraud losses to the Federal Trade Commission in 2025, strong security practices remain essential.

10. Compare vendors and finalize your choice.

Once you’ve narrowed your options, compare pricing, features and contract terms among the most promising vendors. At this stage, the best choice isn’t necessarily the cheapest or the one with the longest feature list — it’s the solution that fits the way your business operates.

What are the benefits of POS cash registers?

A POS cash register and robust overall POS system can bring numerous benefits to your business, depending on the software features you choose. The following are some of the most important:

• Inventory management: Inventory is one of a POS system’s primary selling points. Top POS systems include built-in inventory management tools that update stock levels in real time across all sales channels. This automation helps prevent stockouts and excess inventory without requiring constant manual counts.
• Data analytics: Modern systems turn every transaction into actionable data. Instead of manually entering receipt information into a computer, you can use built-in data analytics to generate POS reports. Retail POS reports can help you make informed decisions about staffing, inventory and best-selling items, helping optimize profit margins.
• Time and attendance tracking: If you integrate a time clock into your POS system, you can easily track employee hours, sales and labor metrics. This integration can simplify payroll processing and help managers identify top performers during peak hours.

How much does a POS system cash register cost, and where do you buy it?

The cost of a POS system cash register depends on the hardware and features your business requires. Consider the following factors:

• Software: Monthly software subscription fees typically range from $0 for basic plans to several hundred dollars for advanced systems with robust features.
• Hardware: Hardware costs, such as terminals, card readers, receipt printers and cash drawers, can vary widely, with total setup costs ranging from a few hundred dollars to several thousand.
• Payment processing: Most POS systems charge a fee for each transaction, typically a percentage of the sale plus a flat fee, such as 2.6 percent plus 10 cents per transaction. These fees can add up quickly, so compare processing rates carefully when choosing a system.

You can purchase POS system cash registers directly from POS providers like Square, Clover and Toast or from third-party retailers like Amazon, Best Buy or specialized POS vendors. Many providers also offer bundled packages that combine software, hardware and support into a single monthly or annual price. These packages can simplify purchasing and make costs more predictable.

Should you use a POS cash register or a traditional cash register?

Traditional cash registers still have a place in some businesses, despite the widespread adoption of POS systems. They’re typically less expensive upfront, which can appeal to businesses operating on a tight budget. Still, the advantages of POS systems are significant. Moss emphasized that traditional cash registers are a realistic option only if you oversee one small store with a single register and have the time to check, monitor and control stock levels manually. You must also be familiar with all item prices.

“As is self-evident, this means that a traditional register is very limited and will only be appropriate for a very narrow demographic of store owners and, aside from the purchase cost saving of a traditional register, they offer few to no advantages and many disadvantages,” Moss explained.

Dawsey emphasized that conventional cash registers aren’t a fit in a predominantly cashless society. Even if you do accept some cash transactions, traditional registers can create data silos, making it harder to integrate with other critical business software.

If cost is a concern, Moss noted that POS systems often pay for themselves over time. “Many small business owners are reluctant to invest in both the purchase cost of a POS system and also the time required to train management and operators in its usage,” Moss said. “However, POS systems pay for themselves many times over in a reasonably short period of time when you view the big picture.”

For most businesses, a POS system offers more flexibility and room for growth than a traditional cash register.

Donna Fuscaldo contributed to this article. Source interviews were conducted for a previous version of this article.