Idlen records 55,982 monthly visits with +9.2% month-over-month growth and Paid pricing. Spark Mail records 435,229 monthly visits with -13.5% growth and Freemium, Free Trial pricing.
Native advertising network that turns AI wait time in IDEs, browsers and chat apps into revenue for developers
Smart, focused email with AI help — for individuals and teams
| Dimension / Metric | | |
|---|---|---|
| Official Domain | idlen.io | sparkmailapp.com |
| Pricing Model | Paid | Freemium, Free Trial |
| Monthly Visits | 55.98K (55,982) | 435.23K (435,229) |
| MoM Traffic Delta | +4.7K (+9.2%) | -67.76K (-13.5%) |
| Primary Market & Share | 🇮🇳 India (54.3%) | 🇺🇸 United States (31.3%) |
| Direct Visits / mo | 23.16K | 198.43K |
| User Rating | 3.8 | 4.3 |
| Supported Platforms | Website | Website |
Native advertising network that turns AI wait time in IDEs, browsers and chat apps into revenue for developers
Install for VS Code, Cursor, and Windsurf, or add a Chromium and Firefox extension, then keep using your usual AI tools with no workflow changes.
Package.json is inspected on your own machine to match relevant ads, and only anonymous keyword tags are sent; source code is never read, stored, or transmitted.
Campaigns reach audiences defined by technologies in their code, such as React, Python, AWS, or Kubernetes, instead of third-party browsing cookies.
Withdraw earnings through Stripe or PayPal, or take API credits with a bonus, with referrals earning a share of what they bring in.
Smart, focused email with AI help — for individuals and teams
Spark's Smart Inbox and Priority highlight messages from important people and bundle newsletters and notifications so the rest of your inbox stays quiet.
An AI Assistant lets you find, summarize, and take action on anything in your inbox, while an AI writing assistant drafts emails and Auto-Drafts pre-writes replies.
Translate incoming messages, get instant summaries of long threads, and quickly grasp the point without reading every line.
Share drafts, leave private comments, delegate ownership, and track progress on email threads with your colleagues.
Blazing-fast keyboard-driven email experience with powerful AI features, but operates on a much higher subscription price point.
Blazing-fast keyboard-driven email experience with powerful AI features, but operates on a much higher subscription price point.
Significantly stronger team collaboration features with shared inboxes and internal chat, but less focus on standalone consumer AI drafting.
Significantly stronger team collaboration features with shared inboxes and internal chat, but less focus on standalone consumer AI drafting.
Provides cross-platform support with integrated AI drafting, but lacks some of Spark's advanced shared team workspace features.
Provides cross-platform support with integrated AI drafting, but lacks some of Spark's advanced shared team workspace features.
AI-driven SSP and DSP for APAC-heavy mobile app advertising
AI-driven SSP and DSP for APAC-heavy mobile app advertising
Offers deeper AI-driven inbox organization and automated bundles, but has a different interface and navigation structure than Spark.
Offers deeper AI-driven inbox organization and automated bundles, but has a different interface and navigation structure than Spark.
SpecialistOne AI assistant that works wherever you work
SpecialistOne AI assistant that works wherever you work
Transforms traditional email threads into conversational chat interfaces, but requires adjusting to a non-standard inbox layout.
Transforms traditional email threads into conversational chat interfaces, but requires adjusting to a non-standard inbox layout.
Free / Open-sourceOpen-source and self-hostable AI email assistant focused on blocking cold emails and sorting, but lacks a full native mobile app client.
Free / Open-sourceOpen-source and self-hostable AI email assistant focused on blocking cold emails and sorting, but lacks a full native mobile app client.
Influencer marketing built for measurable performance
Influencer marketing built for measurable performance
Free / Open-sourceCashback deals for shoppers and marketplace growth analytics for Amazon, Etsy and Walmart sellers
Free / Open-sourceCashback deals for shoppers and marketplace growth analytics for Amazon, Etsy and Walmart sellers
Great at summarizing multi-message email threads and extracting action items, but offers fewer overall customization settings than Spark.
Great at summarizing multi-message email threads and extracting action items, but offers fewer overall customization settings than Spark.
Free / Open-sourceAI audience builder and keyword engine for Google & YouTube Ads
Free / Open-sourceAI audience builder and keyword engine for Google & YouTube Ads
