Comparison

Mailtrack vs Instyll

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Mailtrack

This app provides real-time notifications when your emails are opened, allowing you to track engagement and follow up effectively. It identifies individual recipients who opened group emails and offers reminders for unread messages. The service prioritizes privacy and compliance with data security standards.

Highlights
  • Automatic email tracking
  • Real-time open notifications
  • Individual recipient tracking
  • Follow-up reminders
  • Link click tracking
  • Full open history
Read full description

Mailtrack® is a trusted email tracker available on your phone or tablet. All emails are automatically tracked by default. Get real-time notifications, track engagement, and follow up at the right moment. Why Choose Mailtrack® as Your Email Tracker? • Track Every Email by Default Mailtrack tracks all your sent emails by default. There’s nothing extra to click, no special settings to enable—just send emails as usual, and you’ll get notified when they are opened. • Stay Notified with Real-Time Alerts and Follow-Up Reminders Know exactly when your email is opened and take action at the right moment. Mailtrack sends you real-time notifications when a recipient reads your email, so you can follow up while your message is still fresh. If your email goes unread or unanswered, you'll receive a reminder, helping you stay on top of important conversations and never miss an opportunity. • Track Every Email Open and Measure Engagement Over Time See how many times a recipient opens your email and when they go back to it. If they keep revisiting your message, it’s a strong sign of interest—giving you the perfect opportunity to follow up. • Identify Who Opened Your Email in Group Emails Instead of just knowing that someone opened your email, Mailtrack tracks individual recipients. See exactly who engaged with your message in multi-recipient emails, making it easier to prioritize follow-ups. • Designed for Privacy and Compliance Mailtrack is built with data security in mind. We never store, sell, or share your emails or personal data. Our service is GDPR-compliant and undergoes an annual Google security audit, ensuring your information stays private. Features That Make Mailtrack the Best Email Tracker • Automatic email tracking—every sent email is tracked by default, no extra steps needed • Real-time notifications—know exactly when your email is opened, a link is clicked, or a file is viewed. • Full open history—track engagement over time • Individual tracking in group emails—see who opened your message • Follow-up reminders—get alerts when emails go unread or unanswered • Link tracking—see when recipients click on links How Mailtrack’s Email Tracker Works 1. Install the Mailtrack app 2. Send emails as usual—all emails are tracked automatically, no extra clicks or settings needed 3. Check your Sent folder for tracking details: One checkmark: Sent with tracking but not opened Two checkmarks: Email opened Trusted by Professionals and Businesses Worldwide Mailtrack is used by millions of professionals in sales, consulting, recruiting, and small businesses. Whether you’re following up on proposals, tracking job applications, or coordinating with clients, Mailtrack helps you stay in control of your emails. Privacy and Security You Can Trust Mailtrack follows GDPR regulations (EU 2016/679) to protect your privacy. We undergo an annual Google security audit, and all data is secured with AES-256 encryption for maximum protection. Featured in Forbes, Mashable, Inc, Lifehacker, and more Need help? FAQ: https://mailsuite.com/hc/en-us Learn more: https://mailsuite.com/en/ Plans and Pricing: https://mailsuite.com/en/pricing Terms: https://mailsuite.com/en/terms Privacy Policy: https://mailsuite.com/en/privacy-and-security-center

About

Instyll

Features
Read full description

Don't just read it. Live it. Every year, you read books, listen to podcasts, and highlight amazing advice. You feel inspired. You promise to change. But then Monday morning hits. You’re in the middle of a stressful meeting or a difficult conversation, and that life-changing advice? It’s buried in a notebook you aren't looking at. The problem isn't that you don't know enough. The problem is timing. Instyll bridges the gap between knowing and doing. We connect your personal notes to your real-life schedule, ensuring you see the right insight at the exact moment you can actually use it. How It Works - Build Your Wisdom Library: Capture the specific quotes, notes, or principles that resonate with you. - Sync Your Life: Connect your Google Calendar so Instyll knows your schedule. - Get "Moments": Receive a timely notification 15 minutes before relevant events. - Before your 1:1: "Ask 'why' twice before offering solutions." - Before Deep Work: "Do the hardest thing first." Why Instyll? - Your Past Self, Helping Your Future Self: It’s like sending a text message to your future self, right when they need it most. - Quality Over Quantity: You won't get spammed. We only nudge you when your notes perfectly match your day (typically 2-5 times daily). - Action, Not Just Storage: Most apps are creating for storing knowledge. Instyll is built for applying it. Stop letting your best insights gather dust. Download Instyll and start turning your highlights into habits. Apple EULA Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Mailtrack4 screens
Instyll4 screens

Verdict

The call

The clearest difference is in-app purchases: Mailtrack at none against Instyll's 2. On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Instyll sells 2 in-app purchases, starting at $3.99 per month. Mailtrack asks for nothing beyond the download.

UpkeepUpdate frequency

Mailtrack ships an update every 9 days, Instyll every 2 weeks. The most recent releases landed on October 18, 2026 and October 5, 2026 respectively.

Scorecard1 real difference · 9 level
Mailtrack versus Instyll: the parameters behind the verdict, then further details
ParameterMailtrackInstyll
PriceFreeFree
Rating4.0 (54 ratings) — better—
Positive reviews41.7% of reviews—
Number of ratings54 — better—
Update frequencyEvery 9 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreemium—
DevicesiPhone, iPad — betteriPhone
Requires iOS16.4 — better17.2
Further details — not scored
Size48 MB69 MB
Age rating4+4+
DeveloperMailsuite S.L.Renaissance Labs

In-app purchases

None

Mailtrack

No in-app purchases

2 purchases

Instyll

Subscriptions2
  • Instyll Basic - Monthly$3.991 Month
  • Instyll Basic - Annually$39.991 Year

Questions

Is Mailtrack free?
Mailtrack is free to download, with no in-app purchases.
Is Instyll free?
Instyll is free to download, with in-app purchases available.
Do Mailtrack or Instyll have ads?
Neither Mailtrack nor Instyll shows ads.
Which is updated more often, Mailtrack or Instyll?
Mailtrack ships an update every 9 days, and Instyll every 2 weeks. Most recently, Mailtrack was updated on October 18, 2026 and Instyll on October 5, 2026.

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