Top Credit Card Readers for iPhone & iPad

In the UK, there’s a growing number of affordable credit card readers that work through a mobile app. Connecting to your iPhone or iPad via Bluetooth, they handle transactions through a simple application. Your customers can enter their PIN or tap their card, just like they would with a traditional card machine.

In this guide, I’ll walk you through the top credit card readers compatible with iPhones, breaking down their features, ease of use, and fees.

I’ll also provide you with step-by-step instructions for connecting a reader to your iPhone.

Compare Credit Card Readers for iPhone

Best Credit Card Readers for iPhone

Square Reader: Cheapest Card Reader for iPhone

Square Reader is my top choice for the simplest way to take payments with an iPhone or iPad.

It is priced at just £19, has no ongoing contract, and charges a flat transaction rate of 1.75%.

The Square Reader is designed to accept a range of payment methods, including chip & PIN, contactless cards, and even digital wallets like Apple Pay and Google Pay. It also ensures secure transactions with 24/7 fraud prevention and payment dispute management.

It has a decent battery life (8 hours +) and takes 2-3 hours to recharge.

Along with the reader, Square offers a variety of POS apps that expand the functionality of the Reader beyond mere payment processing, potentially serving as an all-in-one business solution. Send invoices, track inventory, add a loyalty program and more.

Here are some of the key features:

• Easy to use: The Square Reader is easy to set up and use. Simply plug it into your iPhone and start accepting payments.
• Versatility: The Square Reader supports a variety of payment methods, making it a good option for businesses of all sizes.
• Affordable: The Square Reader is one of the most affordable card readers on the market.
• Free software: Square offers a free app that allows you to manage your payments, track your sales, and create invoices.
• Good customer support: Square has a good reputation for customer support.

How to use Square Reader with an iPhone

The Square reader works with any contactless credit card card via a simple click. Customers can just tap and go, without handing over, inserting or swiping their cards or entering their PIN.

Payment methods like Apple Pay, Google Pay or Samsung Pay will also work.

Here are the steps on how to set up and use this feature:

1. Download the Square Point of Sale app from the App Store. 
2. Your iPhone must be running iOS 15.5 or later.
3. Open the Square Point of Sale app and sign in to your Square account.
4. Tap on the “Settings” icon in the top right corner of the screen.
5. Under “Payment methods,” tap on “Tap to Pay on iPhone.”
6. Follow the on-screen instructions to complete the setup.

Revolut Reader: Cheapest Card Reader for iPhone

Revolut, as one would expect from this Fintech phenomenon, offers a sleej and competitive card reader with the lowest flat-free price in my testing.

Revolut charges only 0.8% per transaction, although they do require you to have a Revolut Business account first. That is not a bad thing, however, as it gets one of top ratings for small business bank accounts with very reasonable pricing, the best international transaction fees and exchange rates, and decent customer support.

Another thing which separates their card reader is that they’re currently one of only two providers in the UK (the other is Tyl by Natwest), which allow in-person contactless payments through Tap to Pay on iPhone. This means that you don’t even need the reader for contactless but can just give customers your iPhone directly.

Here are some of the key features:

• Accepts all major payment methods: Revolut Reader accepts chip and PIN, contactless payments, and digital wallet payments such as Apple Pay, Google Pay, and Samsung Pay.
• Multi-currency support: Revolut Reader allows you to accept payments in over 150 currencies.
• Fast settlement: Funds from payments processed with Revolut Reader are typically settled into your Revolut Business account within 1 business day.
• Low transaction fees: Revolut Reader has competitive transaction fees, starting at 0.8% + £0.02 per transaction.
• Easy to use: Revolut Reader is simple to set up and use. It connects to your phone or tablet via Bluetooth, and the Revolut Business app provides a clear and intuitive interface for processing payments.
• Integrations: Revolut Reader integrates with a variety of third-party business software solutions, such as accounting software and ePOS systems.

How to use Revolut Reader to accept payments on an iPhone

To use Revolut Reader to accept payments on an iPhone, you will need to have the following:

• A Revolut Business account
• A Revolut Reader
• An iPhone running iOS 14 or later

Once you have all of the above, you can follow these steps to start accepting payments:

1. Open the Revolut Business app on your iPhone.
2. Tap on the Merchant tab.
3. Tap on Request.
4. Select a Card reader.
5. If your Revolut Reader is not already connected to your iPhone, follow the instructions on the screen to connect it.
6. Once your Revolut Reader is connected, enter the payment amount you want to accept.
7. Ask your customers to tap their contactless payment method on the Revolut Reader.

SumUp Air

The SumUp Air is another great wireless card reader that offers a balanced mix of payment options and business management tools.

It is priced at £39 and carries a 1.69% transaction fee.

The SumUp Air has a long-lasting battery that can process over 500 transactions on a single charge. It also interfaces with a free app to facilitate immediate payment processing. The app accepts a comprehensive range of major credit and debit cards, either via chip & PIN or contactless methods.

One of the most notable features of the SumUp Air is its Business Account feature. This integrated account expedites payment clearance, sometimes even during weekends and holidays. It also allows for unlimited free bank transfers, both incoming and outgoing.

Overall, the SumUp Air is a great option for businesses of all sizes that are looking for an affordable and easy-to-use card reader with a range of business tools.

Here are some of the key features of the SumUp Air:

• Affordable: The SumUp Air costs £39, which is significantly cheaper than some of the other wireless card readers on the market.
• Low transaction fees: SumUp charges a 1.69% transaction fee for all card payments. This is one of the lowest transaction fees in the industry.
• Range of business tools: The SumUp Air comes with a free app that offers a range of business tools, such as invoicing, inventory management, and reporting.
• Easy to use: The SumUp Air is easy to set up and use. Simply connect it to your iPhone via Bluetooth and start accepting payments.
• Portable: The SumUp Air is small and lightweight, making it easy to take with you wherever you go.

How to use SumUp Air to accept payments on an iPhone

To use SumUp Air with an iPhone, you will need to:

1. Create a SumUp account. You can do this by visiting the SumUp website and clicking on the “Try it today” button.
2. Download the SumUp app from the App Store.
3. Open the SumUp app and sign in to your account.
4. Tap on the “Settings” icon in the top right corner of the screen.
5. Under “Payment methods,” tap on “Tap to Pay on iPhone.”
6. Follow the on-screen instructions to complete the setup.

Once the setup is complete, you can start accepting payments by opening the SumUp app and tapping on the “Charge” button. Then, select the “Tap to Pay on iPhone” option and hold your iPhone over the customer’s contactless card.

iZettle Reader 2

The iZettle Reader 2 is a feature-rich card reader that offers a variety of benefits for businesses of all sizes. It is priced at £29 and charges a transaction fee of 1.75%.

The iZettle Reader 2 supports contactless payments, which are becoming increasingly popular. This means that customers can simply tap their card or phone on the reader to make a payment. It also has a long battery life, capable of processing up to 500 transactions on a single charge.

The iZettle Reader 2 comes with a free point-of-sale (POS) app that allows you to manage your payments, track your sales, and create invoices. The app is available for iOS and Android devices.

Here are some of the other features of the iZettle Reader 2:

• Fast and secure payments: The iZettle Reader 2 uses the latest EMV chip and PIN technology to ensure secure payments.
• Durable and portable: The iZettle Reader 2 is made of durable materials and is small and lightweight, making it easy to take with you wherever you go.
• Expandable with add-ons: The iZettle Reader 2 can be expanded with a variety of add-ons, such as a receipt printer or a chip and PIN terminal.
• Good customer support: iZettle has a good reputation for customer support. If you have any problems with your iZettle Reader 2, you can contact their customer support team for help.

How to use a Zettle Reader to take payments on an iPhone

Zettle Reader is a portable card reader that can be used to accept payments on an iPhone. It is a great option for businesses that want to accept contactless payments without having to invest in a traditional card machine.

To take payments with Zettle Reader and iPhone, you will need to:

1. Pair your Zettle Reader with your iPhone. You can do this by following the instructions in the Zettle Go app.
2. Open the Zettle Go app and sign in to your account.
3. Add items to the sales cart or manually input the transaction amount.
4. Tap the “Checkout” button to display the total amount due to the customer.
5. Prompt the customer to choose their payment method. For card payments, the customer can insert or swipe their card into the Zettle Reader. For contactless payments, the customer can simply tap their device to the Reader.
6. Once the payment is processed, you will receive an on-screen confirmation. You can then offer to send or print a receipt for the customer.

Shopify Payments Reader: Best for iPhone Users with Shopify Stores

The Shopify Payments Reader is a good option for businesses that use Shopify for their online store. It allows businesses to accept payments in person and online, and it integrates with Shopify’s inventory and order management system.

The Shopify Payments Reader is a small, portable card reader that connects to your iPhone or iPad via Bluetooth. It supports contactless payments, chip and PIN payments, and magstripe payments.

It also comes with a free point-of-sale (POS) app that allows you to manage your payments, track your sales, and create invoices. The app is available for iOS and Android devices.

Here are some of the other features of the Shopify Payments Reader:

• Reasaonable transaction fees: Shopify Payments charges a flat transaction fee of 2.7% + £0.25p for all card payments online. If it’s in person, it’s 1.7%.
• Easy to set up: The Shopify Payments Reader is easy to set up and use. Simply connect it to your device and start accepting payments.
• Secure payments: The Shopify Payments Reader uses the latest EMV chip and PIN technology to ensure secure payments.
• Integrated with Shopify: The Shopify Payments Reader integrates with Shopify’s inventory and order management system, making it easy to keep track of your sales and inventory.
• Good customer support: Shopify has a good reputation for customer support. If you have any problems with your Shopify Payments Reader, you can contact their customer support team for help.

How to use a Shopify Point of Sale to accept payments on an iPhone (POS)

Here are the steps on how to set up Tap to Pay on iPhone with Shopify POS:

1. Download the Shopify POS app from the App Store.
2. Open the Shopify POS app and sign in to your account.
3. Tap on the “Settings” icon in the top right corner of the screen.
4. Under “Payment methods,” tap on “Tap to Pay on iPhone.”
5. Follow the on-screen instructions to complete the setup.

Once the setup is complete, you can start accepting payments by opening the Shopify POS app and tapping on the “Charge” button. Then, select the “Tap to Pay on iPhone” option and hold your iPhone over the customer’s contactless card or device. The payment will be processed and the customer will receive a receipt.

How Credit Card Readers Work with iPhones

If you’re new to the world of mobile payments, you might be wondering how exactly a credit card reader interacts with your iPhone. In essence, the process is simple and largely automated, designed to make transactions as smooth as possible.

Here are the steps involved:

1. The credit card reader connects to your iPhone via Bluetooth.
2. You open a specific app that handles the payment process.
3. When a customer is ready to make a payment, you enter the transaction details into the app.
4. The app communicates these details to the credit card reader.
5. The customer then taps their card for contactless payment or inserts it for chip-and-PIN authentication.
6. Some readers even have magstripe capabilities for older cards.
7. Once the transaction is approved, payment information is immediately encrypted and sent to the payment gateway for processing.
8. None of the sensitive card data is stored on your iPhone; instead, it’s typically tokenized to ensure maximum security.

Choosing the Best Credit Card Reader for Your iPhone

Now that you understand the basics of how a credit card reader works with an iPhone, it’s time to delve into what makes one option better than another for your specific needs.

Here are some of the factors to consider:

• Hardware features: The type of transactions you’ll be processing often dictates the hardware features you’ll need. For example, if you anticipate a lot of contactless payments, make sure your chosen reader supports NFC (Near Field Communication). Similarly, EMV chip and magstripe functionalities will be crucial if you deal with a variety of card types.
• Software features: Beyond the physical reader, consider what the accompanying app offers. Is it merely a payment processor, or does it offer extended functionalities like virtual terminals and invoicing? An app with a broader set of features can serve as a more integrated point-of-sale (POS) system, helping you manage different aspects of your business more efficiently.
• Decision factors: Ease of use, costs, and customer support are also important factors to consider. Ease of use is crucial, especially if you’re new to card readers or if multiple staff members will be using it. Also, consider the cost structure: apart from the upfront cost of the reader and per-transaction fees, are there any hidden costs like activation fees or chargeback fees? Customer support can also be a deciding factor, especially if you’re operating outside of standard business hours.

How to set up a credit card reader for iPhone

Connecting a credit card reader to an iPhone is a simple process that can be completed in just a few steps. Here’s a step-by-step guide:

1. Choose a credit card reader. There are many different credit card readers available, so it’s important to choose one that is compatible with your iPhone and meets your specific needs. Some factors to consider include the type of payments you want to accept, the transaction fees, and the portability of the reader.
2. Download the required software. Most credit card readers require you to download a software application to your iPhone. This application will allow you to use the reader to process payments.
3. Turn on Bluetooth (if applicable). If your credit card reader uses Bluetooth, you will need to turn on Bluetooth on your iPhone. To do this, go to Settings > Bluetooth and turn the switch to On.
4. Open the app. Once you have downloaded the software application, open it on your iPhone.
5. Pair the device. Follow the instructions in the app to pair your credit card reader with your iPhone.
6. Test the connection. Once the device is paired, test the connection by swiping a credit card. If the reader is working properly, you should see a message on the screen that says the payment was successful.

Steps for Pairing Card Swipers to an iPhone via Bluetooth or Audio Jack

• Bluetooth pairing:
  1. Go to your iPhone’s Bluetooth settings.
  2. Ensure your credit card reader is turned on and in pairing mode.
  3. Select the credit card reader from the list of available devices.
  4. Confirm the pairing on your iPhone and within the payment app.
• Audio jack pairing:
  1. Insert the credit card reader into your iPhone’s audio jack.
  2. Open the payment app and navigate to the hardware settings.
  3. The app should automatically detect the reader and confirm that it’s ready to accept payments.

Tips for a Secure Connection

• Always follow the specific instructions provided by the manufacturer for the most accurate and secure setup.
• Keep your credit card reader and software updated with the latest security patches.
• Be careful about sharing your credit card information with anyone, including the person who is processing your payment.