
71
BU Score
Strong
Spark Mail: AI Email, Calendar
✍️ BU Analytics Review
“
Spark Mail: AI Email, Calendar is an Android app from Spark Mail App in the Productivity category, currently rated 4.1★ across 87,874 ratings. Initial signal reads as mixed reviews — supporters praise core features while critics cite stability/value gaps.
Our BU Score puts it at 71 — Strong (healthy traction). For a Productivity app, that means healthy traction.
Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.
creator
📊 Performance Tracking LIVE
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
Range:
💰 Forecast Revenue / mo
MODELRevenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 4 of 4 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (87,874 ratings)METRIC | +$5,500 | |
| Good rating (4.1★)METRIC | +$800 | |
| Established app (7y old)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 |
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)
📈 Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v3.18.0🔄 updated 3w ago📂 Productivity💰 Free💎 IAP $4.99 - $199.99 per item🚀 Launched 2019 (7y old)
📝 About this app
Reclaim your time and focus with Spark — the AI-powered email app loved by millions. Declutter your inbox, manage your calendar, and move through emails faster than ever. 🚀
<i>“It’s a combination of polish, simplicity, and depth.”</i> – FastCompany
<i>“You can create an email experience that works for you.”</i> – TechCrunch
<b>MANAGE MULTIPLE EMAIL ACCOUNTS</b>
Connect all your emails — including Gmail, Microsoft Outlook, AOL, Yahoo, Hotmail, IMAP, GMX, and iCloud — in one unified inbox.
<b>STAY ORGANIZED WITH SMART INBOX</b>
Keep personal and high-priority emails up top — newsletters and notifications stay neatly grouped below.
<b>WORK SMARTER WITH SPARK +AI</b>
Summarize long threads, draft replies, rephrase messages, and adjust tone — all powered by AI. Use your AI Assistant to manage your inbox, translate emails, and keep projects moving.
<b>GET MORE DONE WITH EMAIL ESSENTIALS</b>
- Mark emails as done or set aside for later
- Mute email threads you’re no longer interested in.
- Schedule emails to send later — even if your device is off.
- Filter with Smart Search and Smart Folders
<b>PROTECT YOUR INBOX WITH GATEKEEPER</b>
Pre-screen new senders with Gatekeeper and block unwanted contacts instantly.
<b>PRIORITIZE EMAILS AND SENDERS</b>
Mark what’s important so it’s always at the top of your inbox. Group emails from senders or domains to keep your inbox clean.
<b>MANAGE YOUR CALENDAR AND MEETINGS</b>
Connect your calendars to stay on top of your day.
<b>CONNECT EMAILS TO INTEGRATIONS</b>
Connect Spark to apps like Notion, Asana, Things, and 10+ integrations to take action on everything in your inbox.
<b>SECURE AND PRIVATE EMAIL</b>
Spark encrypts your data, relies on Google Cloud’s secure infrastructure, and is fully GDPR compliant.
<b>COLLABORATE WITH YOUR TEAM</b>
- Create a team to collaborate on emails.
- Co-author emails and discuss content in private comments.
- Share secure links to specific emails.
- Track read receipts to keep work moving.
<b>ENJOY THE ESSENTIALS FOR FREE</b>
Try Spark Plus or Spark Pro free for 7 days — or stick with our powerful free plan.
📲 Download Spark and reclaim your day.
<h2>What is Spark?</h2>
Spark is a cross-platform email client that helps individuals and teams manage their inboxes and calendar with smart, AI-powered tools. It works across all platforms and devices so that you can be more effective, at home, in the office, or on the go.
<h2>Who is Spark for?</h2>
Short answer: Anyone who deals with a lot of emails. Spark is perfect for busy professionals, freelancers, and teams who need to stay organized and communicate effectively. It’s also great for individuals who want to manage their personal and work accounts in a unified inbox.
<h2>Is it difficult to set up?</h2>
Spark is highly customizable, but also easy to master. You’ll find multiple ways to set up your inbox, swipes, and shortcuts in Settings.
Terms of Service: https://sparkmailapp.com/legal/terms
Privacy Policy: https://sparkmailapp.com/legal/privacy-app
Help: support@sparkmailapp.com
<i>“It’s a combination of polish, simplicity, and depth.”</i> – FastCompany
<i>“You can create an email experience that works for you.”</i> – TechCrunch
<b>MANAGE MULTIPLE EMAIL ACCOUNTS</b>
Connect all your emails — including Gmail, Microsoft Outlook, AOL, Yahoo, Hotmail, IMAP, GMX, and iCloud — in one unified inbox.
<b>STAY ORGANIZED WITH SMART INBOX</b>
Keep personal and high-priority emails up top — newsletters and notifications stay neatly grouped below.
<b>WORK SMARTER WITH SPARK +AI</b>
Summarize long threads, draft replies, rephrase messages, and adjust tone — all powered by AI. Use your AI Assistant to manage your inbox, translate emails, and keep projects moving.
<b>GET MORE DONE WITH EMAIL ESSENTIALS</b>
- Mark emails as done or set aside for later
- Mute email threads you’re no longer interested in.
- Schedule emails to send later — even if your device is off.
- Filter with Smart Search and Smart Folders
<b>PROTECT YOUR INBOX WITH GATEKEEPER</b>
Pre-screen new senders with Gatekeeper and block unwanted contacts instantly.
<b>PRIORITIZE EMAILS AND SENDERS</b>
Mark what’s important so it’s always at the top of your inbox. Group emails from senders or domains to keep your inbox clean.
<b>MANAGE YOUR CALENDAR AND MEETINGS</b>
Connect your calendars to stay on top of your day.
<b>CONNECT EMAILS TO INTEGRATIONS</b>
Connect Spark to apps like Notion, Asana, Things, and 10+ integrations to take action on everything in your inbox.
<b>SECURE AND PRIVATE EMAIL</b>
Spark encrypts your data, relies on Google Cloud’s secure infrastructure, and is fully GDPR compliant.
<b>COLLABORATE WITH YOUR TEAM</b>
- Create a team to collaborate on emails.
- Co-author emails and discuss content in private comments.
- Share secure links to specific emails.
- Track read receipts to keep work moving.
<b>ENJOY THE ESSENTIALS FOR FREE</b>
Try Spark Plus or Spark Pro free for 7 days — or stick with our powerful free plan.
📲 Download Spark and reclaim your day.
<h2>What is Spark?</h2>
Spark is a cross-platform email client that helps individuals and teams manage their inboxes and calendar with smart, AI-powered tools. It works across all platforms and devices so that you can be more effective, at home, in the office, or on the go.
<h2>Who is Spark for?</h2>
Short answer: Anyone who deals with a lot of emails. Spark is perfect for busy professionals, freelancers, and teams who need to stay organized and communicate effectively. It’s also great for individuals who want to manage their personal and work accounts in a unified inbox.
<h2>Is it difficult to set up?</h2>
Spark is highly customizable, but also easy to master. You’ll find multiple ways to set up your inbox, swipes, and shortcuts in Settings.
Terms of Service: https://sparkmailapp.com/legal/terms
Privacy Policy: https://sparkmailapp.com/legal/privacy-app
Help: support@sparkmailapp.com
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Spark Mail: AI Email, Calendar
- Developer
- Spark Mail App
- Bundle ID
- com.readdle.spark
- App Store URL
- Open in App Store
- Category
- Productivity
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- readdle.com
- Tagline
- Not found
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $1.7K/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $4.99 - $199.99 per item
Founder
- Name
- Not found
- X / Twitter
- Not found
- Not found
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
- Total raised
- Not found
- Last round
- Not found
- Investors
- Not found
- Crunchbase
- Not found
- AngelList
- Not found
Press & Links
- Articles found
- Not found
- Listed on
- Not found
- Blog
- Not found
- Press / News
- Not found
Contacts & Socials
- Socials
- Not found
- Not found
- Phone
- Not found
- Contact page
- Not found
- About page
- Not found
📈Ratings growth87,874 ratings+37% lifetimeShow 3-year history estimate ▾
Tracked (1 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
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