Inboxed vs. Edison Mail
Edison Mail is a popular free email client. But "free" comes at a cost — Edison has been caught monetizing user email data. Inboxed is genuinely free and genuinely private.
| Feature | Edison Mail | Inboxed |
|---|---|---|
| AI Processing | ✕ Cloud-based | ✓ Local LLM (Apple MLX) |
| Privacy | ✕ Data monetization reported | ⊕ 100% On-Device |
| Cost | Free (data-funded) | ⚡ Free (no data harvesting) |
| Business Model | ✕ Sells aggregated data | ✓ One-time Pro upgrade |
| Platform | Cross-platform | ✓ Native macOS (Rust) |
Free shouldn't mean you're the product.
Edison Mail's business model relies on analyzing user emails to generate "commerce data" sold to companies. Multiple investigations have confirmed this practice.
Inboxed is free because our business model is simple: a $1 lifetime Pro upgrade. No data harvesting, no analytics, no third-party sharing. Ever.
Bottom Line
Edison Mail is free, and understanding why reveals the business model: Edison builds its revenue around Edison Trends, a commercial intelligence product that aggregates and anonymizes purchase and behavioral data extracted from user inboxes. The company was exposed in 2020 for allowing employees to read user emails to train its AI systems, a practice that caused significant controversy. Edison has since updated its privacy commitments and gives users opt-out controls, but the fundamental architecture — a free email app whose parent company sells commercial insights derived from email data — is structurally at odds with privacy. Inboxed's business model is $1 for lifetime Pro access; there is no data product because there is no server-side email processing at all.
Frequently Asked Questions
What exactly did Edison Mail get caught doing with user data?
In February 2020, a Vice/Motherboard investigation revealed that Edison Mail, along with other free email apps including Slice and Cleanfox, had been allowing human employees to read user emails to train AI systems — a practice buried in privacy policy language that users hadn't clearly consented to. Edison's AI product, which required humans to label training data, gave employees broad access to user inboxes. Edison responded that the practice affected a 'small number' of users and was disclosed in its terms, and updated its policies afterward. The company's commercial product, Edison Trends, continues to sell aggregated insights from email data — the business model itself hasn't changed, though the data handling practices were tightened.
Is Edison Mail safe to use now, after the 2020 controversy?
Edison Mail updated its policies after the 2020 controversy: new users are now shown an explicit opt-in/opt-out screen for commercial data participation when they install the app, and the company states it never shares personally identifiable information or message content with third parties. The residual concern is structural: Edison's revenue depends on its data products, which means the incentive to extract value from user email behavior is baked into the business. Users who opt out can use the app with reduced data sharing, but they're relying on a company whose profitable division analyzes email data. Inboxed has no such division — there is no server, no data product, and no email content ever reaches Inboxed's infrastructure.
Who uses Edison Mail, and is there a case for staying with it?
Edison Mail's user base skews toward users who want a capable free email app on iOS and macOS and are comfortable with the opt-in data sharing trade-off in exchange for no subscription fee. The app itself is genuinely functional — it has a clean interface, smart inbox categorization, travel and package tracking features, and works across Apple devices. If you're opted out of commercial data participation and use Edison Mail primarily as a conventional email client, the app works fine for everyday email. The case for switching to Inboxed is cleaner if you want local AI features (Edison uses cloud AI), a native macOS binary rather than a cross-platform app, or a business model with no data-monetization component whatsoever.