Apple's announcement of new inbox tabs within the iOS Mail app for iOS 18 marks a significant shift, drawing parallels to Gmail's introduction of tabs years ago. This update will categorize emails into Primary, Transactions, Updates, and Promotions, potentially affecting email visibility and engagement. For email marketers, this change necessitates a re-evaluation of current strategies to ensure messages reach their intended audience. The primary concern revolves around how this on-device categorization will interact with existing mailbox provider rules and user behavior, potentially leading to varied inbox placements across different platforms, including Gmail.
Key findings
Echoes of Gmail: The introduction of tabs in Apple Mail is reminiscent of Gmail's tabbed inbox feature, which significantly altered email performance upon its release. This suggests a familiar set of challenges and adaptations for marketers.
Automatic categorization: Apple Mail will automatically sort incoming emails into predefined categories, potentially reducing the visibility of marketing messages if they land in a less prominent tab like Promotions. This might lead to a decrease in open rates as users adapt to more structured inboxes, as noted by Blueshift.
Varied placement decisions: There's a high likelihood that Apple's categorization will not perfectly align with Gmail's, leading to a scenario where an email might appear in the Promotions tab on Gmail but in another tab (e.g., Updates) on an iPhone, causing potential inconsistencies for senders.
Focus shift for marketers: The change encourages marketers to shift their focus from short-term campaign metrics to long-term customer-centric metrics, such as lifetime value, to foster stronger subscriber relationships.
Privacy enhancements: Beyond tabs, iOS 18 also introduces privacy updates and AI tools that will reshape email marketing, requiring brands to adapt their strategies to these new features.
Key considerations
Content relevance: Marketers must prioritize sending highly relevant and engaging content to increase the likelihood of emails being placed in or moved to a more prominent tab by users.
User control: While initial categorization is automatic, understanding whether users will have significant control over moving emails between tabs or disabling them will be crucial for strategy adjustment.
Multi-platform strategy: Given the potential for differing tab placements between Apple Mail and Gmail, marketers need a robust strategy that accounts for how their emails are categorized across various client environments.
Monitoring and adaptation: Continuous monitoring of email performance and inbox placement will be more critical than ever to quickly adapt to Apple's evolving categorization algorithms and user behaviors.
What email marketers say
The marketing community is experiencing a strong sense of déjà vu with Apple's new inbox tabs, drawing direct comparisons to the challenges faced when Gmail introduced its tabbed inbox. Marketers are concerned about potential drops in visibility and open rates, fearing a repeat of the initial performance dips seen with Gmail. There's a shared anticipation of frequently asked questions regarding primary inbox placement and how to influence email categorization, alongside discussions about what changes might be needed in email content and sending practices.
Key opinions
Flashbacks to Gmail: Many marketers recall the initial panic and adaptation period that followed Gmail's tab introduction and expect a similar process with Apple Mail.
Reduced visibility concerns: There's a widespread concern that marketing emails will receive less visibility if they are automatically sorted into a Promotions tab, leading to lower engagement metrics.
Hope for canned responses: Some marketers express optimism that their existing strategies and explanations for Gmail tab placement can be repurposed for Apple Mail.
Seeking quick fixes: A common sentiment is the desire for a simple solution or code snippet that guarantees primary inbox placement.
Shifting focus to customer value: MarketingProfs indicates that this change will prompt marketers to prioritize long-term customer-centric metrics, such as lifetime value, over short-term campaign metrics.
Key considerations
Adaptation is key: Marketers must be prepared to adapt their strategies quickly, similar to how they did with Gmail tabs, to maintain email performance.
Content optimization: Focus on creating high-value, engaging content that encourages users to interact with emails, regardless of the tab they land in.
Monitoring placement: Regularly monitor inbox placement across both Gmail and Apple Mail to identify discrepancies and adjust sending practices.
Long-term engagement: Building strong subscriber relationships and focusing on customer lifetime value will become even more crucial to ensure continued engagement despite tabbed inboxes.
Marketer view
Email marketer from Email Geeks notes that they are having flashbacks to when Gmail introduced tabs, hinting at similar challenges marketers may face with Apple's new inbox categories.
10 Jun 2024 - Email Geeks
Marketer view
Marketer from MarketingProfs suggests that Apple's new tabs will prompt a shift in focus from short-term campaign-centric metrics to long-term customer-centric metrics, such as lifetime value.
22 Mar 2025 - MarketingProfs
What the experts say
Email deliverability experts recognize Apple's new inbox tabs as a significant development that will add another layer of complexity to inbox placement. They foresee different Mailbox Providers (MBPs) making distinct categorization decisions, meaning an email's tab placement in Gmail might not be the same in Apple Mail. Experts also touch upon the technical aspects, such as how inbox testers typically read Gmail tabs via IMAP folders, and question whether Apple will offer similar mechanisms or maintain its independent approach to email sorting.
Key opinions
Inconsistency in placement: Experts anticipate that different mailbox providers will likely not make identical placement decisions 100% of the time, leading to varied inbox categorization across platforms.
No direct clues from Gmail: Gmail's labels are not folders in IMAP, so Apple Mail is unlikely to directly inherit Gmail's categorization without specific, user-configured filter rules.
Apple's independent approach: Historically, Apple does not take clues or suggestions from other providers, suggesting its categorization logic will be independently developed and managed.
AI's role: Apple Intelligence features, including AI-generated summaries, will impact how supporters engage with emails, potentially replacing traditional pre-headers.
New opportunities for visibility: Some experts believe iOS 18 introduces tools that can boost email visibility by prioritizing high-value content and enhancing brand recognition with logos. This is supported by Klaviyo's analysis.
Key considerations
Testing across clients: Marketers must conduct thorough testing for email placement specifically for Apple Mail, separate from Gmail, to understand actual delivery and display.
Content relevance and value: Focus on delivering high-quality, valuable content to increase the chances of landing in the Primary or Updates tab.
New metrics to track: Beyond traditional open rates, marketers might need to monitor new metrics related to tab engagement and user interaction within the categorized inboxes.
Brand presence: Consider optimizing for features like brand logos and AI-generated summaries to improve visibility and recognition in the new inbox layout.
Expert view
Expert (tvjames) from Email Geeks humorously predicts that the most common question will be Why is my mail being labeled X at Gmail and Y at Apple?, highlighting the expected confusion.
10 Jun 2024 - Email Geeks
Expert view
Expert from SpamResource mentions that the upcoming Apple Mail for iOS will include tabs such as Primary, Transactions, Updates, and Promotions.
10 Jun 2024 - spamresource.com
What the documentation says
While specific, detailed Apple documentation on the internal workings of their new inbox tabs is limited at this early stage, general industry understanding and early observations from official announcements (like WWDC) provide insights. The documentation implies that Apple is implementing sophisticated on-device categorization to automatically sort emails, aiming to enhance user experience and inbox organization. This approach suggests a focus on user preferences and content relevance, aligning with broader trends in email client development towards smarter, more personalized inbox management.
Key findings
On-device categorization: The new Apple Mail update uses on-device processing to automatically organize incoming emails into specific categories like Primary, Transactions, Updates, and Promotions.
User experience focus: The primary goal of these new tabs is to provide users with a more structured and manageable inbox experience, reducing clutter and making important emails easier to find.
Leveraging AI: Apple Intelligence features are integrated to enhance email interaction, including AI-generated summaries that could influence how users perceive and prioritize emails.
Impact on visibility: Messages classified as promotional may see reduced visibility if users do not actively check the Promotions tab, similar to Gmail's impact on open rates.
Brand recognition: Tools that boost email visibility, such as enhanced brand recognition through logos, are being introduced to help senders stand out within the new tabbed structure. This aligns with approaches like BIMI, which could potentially see increased adoption.
Key considerations
Adaptation to new categorization logic: Senders will need to understand and adapt to Apple's new categorization algorithms, which may differ from other mailbox providers.
Content and header optimization: Optimizing email content, subject lines, and potentially new header fields for Apple's categorization and AI features will be crucial for desirable placement.
Monitoring deliverability: Consistent monitoring of email deliverability and inbox placement specifically within Apple Mail will be essential to track the impact of these changes.
Leveraging new features: Explore how to best utilize Apple's new tools, like brand logos and AI summaries, to maximize visibility and engagement.
Technical article
Documentation from Klaviyo indicates that Apple's introduction of the iOS 18 Promotions tab signals a shift that can bring value to everyone, regardless of their inbox provider, by enhancing email organization.
22 Mar 2025 - Klaviyo
Technical article
Documentation from EmailLabs outlines that with iOS 18, Apple Mail has transformed email organization, introducing on-device categorization that automatically sorts incoming emails.