Co-Authored with Attentive
At Attentive, we’re committed to helping brands create meaningful, lasting guest relationships—and our partnership with Punchh is a key part of that mission. Together, we combine personalized messaging with powerful loyalty insights to help you reach guests in more impactful ways. As iOS continues to evolve, we’re here to make sure those messages remain visible, trusted, and effective.
For restaurant brands, text and email marketing is a powerful way to stay connected with guests. Whether it’s a loyalty update, new menu item, or limited-time offers (LTOs), Attentive makes it easy to do just that. Our AI-powered platformhelps restaurant and QSR brands personalize guest engagement, bridging the gap between in-person dining and digital experiences.
When you connect Attentive with Punchh, your loyalty program gets even stronger. You can keep your most loyal guests engaged, encourage repeat visits, and boost their lifetime value. Data flows seamlessly between Punchh and Attentive, letting you create more personalized segments and send messages that resonate.
With iOS 26 rolling out, Apple has made changes that can affect SMS visibility. Understanding these updates is key to making sure your messages land in your guests’ main inboxes, not the “Unknown Senders” folder. This guide explains what iOS 26 means for F&B brands and how you can keep your messages reaching the right audience.
What does Apple’s “Screen Unknown Senders” setting actually do?
This feature separates messages from contacts guests have saved and messages from unsaved numbers, directing the unfamiliar ones to a completely different inbox.
Although this setting isn’t on by default, our data shows that more than half of iPhone users—over 55%+— already have it enabled.
The trend is even stronger among younger users: 63% of Gen Z and 60% of Millennials have the filter turned on. Making matters worse, a significant percentage of guests rarely, if ever, look at this secondary inbox—39% across all age groups, and almost half (48%) of Gen Z users. This means special offers, loyalty status updates, birthday perks, and menu promotions could go unseen, leading to decreased foot traffic or online ordering.
How does iOS 26 decide whether a guest’s message lands in your main inbox, or gets filtered?
- The number is saved in the guest’s contacts.
- The guest marks the number as “Known.” Messages from unknown senders include a “Mark as Known” button. Once tapped, the conversation moves into the main inbox permanently.
- The guest starts the conversation. If the guest sends the first message, iOS 26 treats the number as “Known” moving forward.
- The guest exchanges three or more messages in the conversation. Apple’s documentation mentions this rule, but in our testing, we haven’t seen it consistently applied.
Why your sign-up method matters for iOS 26
Not all ways of collecting guest phone numbers are treated the same under iOS 26. Our testing shows that some subscription flows automatically mark your brand as a “Known Sender,” while others risk sending messages straight to the Unknown Senders inbox.
Here’s what we’ve observed with common sign-up methods:
- Two-tap™ sign-ups: No disruption - With this method, the guest sends the first message to your brand. That action immediately classifies your number as Known, ensuring all future messages land in the Main Inbox with full notifications. This applies to both new subscribers and those who opted in before upgrading to iOS 26. With the Attentive and Punchh integration, brands can leverage this two-tap functionality with a pre-checked loyalty checkbox on the sign-up unit, making it easy to grow both SMS and loyalty enrollment in a single step.
- Text-to-join sign-ups: No disruption - Similar to two-tap™, text-to-join sign-up units require subscribers to initiate the conversation with your brand by texting a keyword to a specific phone number in order to begin the subscription process. As a result, we’ve seen text-to-join continue to be a great way to collect sign-ups in in-person scenarios.
- Reply-Y sign-ups: Highest risk - These flows start with your brand sending a text asking the guest to confirm their subscription by replying “Y.” Because your brand initiates the conversation, iOS 26 treats you as Unknown, sending all messages into the Unknown Sender inbox.
- On-site opt-in (2FA) sign-ups: High risk - Similar to Reply-Y, these flows send a confirmation code that guests must enter on your website. iOS may temporarily surface the first “time-sensitive” message in the main inbox, but subsequent messages are filtered to the Unknown Sender inbox.
While iOS 26 introduces new challenges for some sign-up methods, the good news for restaurant brands is that Attentive customers are already covered. Our patented guest-initiated technology ensures your texts consistently land in the main Inbox.
Restaurants and F&B brands using non-two-tap™ or text-to-join sign-up flows have seen a 30–40% drop in click-through and conversion rates when messages are sent to the Unknown Sender inbox, which can directly affect the success of promotions and overall SMS revenue.
Time-sensitive messages keep urgent F&B alerts visible
What steps can you take today?
- Migrate your sign-up units to Attentive: Attentive’s patented two-tap™ sign-up technology begins with direct guest engagement, ensuring your SMS messages continue to appear from a “Known Sender” and reach the main inbox. Additionally, we’ve worked closely with customers to roll out iOS 26-specific technology (including two-tap™ for desktop) and have a number of tools and strategies brands can leverage to protect your SMS program performance.
- Include a Contact Card in your welcome flow: When guests save your restaurant or QSR brand as a contact, your number is permanently treated as a known sender. This simple step helps keep updates like menu drops, alerts, and VIP perks visible with notifications. When guests sign up via a kiosk in-store, it’s important that you encourage them to save your contact information.
- Engage new subscribers: Early back-and-forth messages help reinforce sender recognition. Short interactions, such as preference questions or favorite menu items, support stronger inbox placement. Attentive’s conversational tools make this easy to automate.
- Give clear instructions for non-two-tap™ sign-ups: Because Reply Y confirmations may now land in the Unknown Sender inbox, brief guidance at sign-up is key. Direct guests to check the Unknown Senders inbox so they can finish opting in and receive their welcome incentive and never miss a loyalty perk, like a free item or birthday reward!
Now that you know how to keep guests seeing your messages, explore messaging ideas to drive customer lifetime value. Want more inspiration? Check out ideas to incorporate the 400+ food and beverage marketing holidays in the year.
