Spark Mail vs Etrust
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Spark Mail
Unify all your email accounts into a single inbox, automatically prioritizing important messages. Streamline your workflow with AI-powered writing assistance, smart organization tools, and seamless integration with your favorite productivity apps.
- Unified inbox for all accounts
- Smart Inbox prioritization
- AI-powered drafting and summarization
- Email scheduling and snoozing
- Gatekeeper for sender pre-screening
- Calendar and meeting management
- Integrations with Notion, Asana, etc.
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Manage priorities, not emails. Spark brings every account into one inbox and automatically surfaces what matters most — so nothing slips through the cracks. Loved by millions and named "Best of the App Store" by Apple. "It's a combination of polish, simplicity, and depth." — FastCompany "You can create an email experience that works for you." — TechCrunch EVERY ACCOUNT, EVERY EMAIL, IN ONE PLACE Connect Gmail, Outlook, iCloud, Yahoo, AOL, Hotmail, GMX, and any IMAP account in a single unified inbox. STAY ORGANIZED WITH SMART INBOX Important emails from real people rise to the top. Newsletters and notifications stay neatly grouped below, out of your way. GET MORE DONE WITH EMAIL ESSENTIALS Mark emails as done or set them aside for later Mute threads you're no longer following Schedule emails to send later — even if your device is off Find anything fast with Smart Search and Smart Folders PROTECT YOUR INBOX WITH GATEKEEPER Pre-screen new senders and block unwanted contacts instantly. PRIORITIZE WHAT MATTERS Mark important senders so their emails always stay on top. Group emails by sender or domain to keep your inbox clean. WRITE FASTER WITH SPARK +AI Summarize long threads, draft replies, rephrase messages, and adjust tone. Your AI Assistant helps you clear your inbox, translate emails, and keep projects moving. MANAGE YOUR CALENDAR AND MEETINGS Connect your calendars to stay on top of your day in one app. CONNECT YOUR FAVORITE TOOLS Link Spark to Notion, Asana, Things, and 10+ integrations to act on everything in your inbox. COLLABORATE WITH YOUR TEAM Co-author emails and discuss in private comments Assign messages so everyone knows who owns what Share secure links to specific emails Track read receipts to keep work moving SECURE AND PRIVATE Spark encrypts your data, runs on Google Cloud's secure infrastructure, and is fully GDPR compliant. TRY IT FREE Stick with our powerful free plan, or try Spark Plus or Spark Pro free for 7 days. Download Spark and reclaim your day. FAQ Is Spark the best email app for managing multiple accounts? Spark brings Gmail, Outlook, iCloud, Yahoo, and any IMAP account into one unified inbox, so you can manage every email in one place instead of switching between apps. How is Spark different from Apple Mail and Gmail? Spark helps you focus on what matters, not just read email. It automatically prioritizes messages from real people, keeps newsletters out of the way, and can summarize, draft, and follow up so less falls through the cracks. How does Spark help with email overload? Spark surfaces important messages first, lets you snooze emails until you're ready, and helps you reach Inbox Zero without the grind. Higher plans flag what needs attention so nothing gets missed. Does Spark have AI features? Yes. Spark uses AI to write faster, reply clearly, and summarize threads. On Plus, AI helps you make better inbox decisions. On Pro, it acts on your behalf — drafting, organizing, and following up. Is Spark good for team collaboration? Yes. Teams can share drafts, comment privately, assign messages, and manage shared inboxes — no forwarding chains. Collaboration is available on Pro. Can I schedule emails to send later? Yes. Schedule any email to send at the right time, or snooze incoming messages to return when you're ready. Is Spark free? Yes. Spark is free to download and use. Spark Plus is for professionals who want a more focused inbox; Spark Pro is for those who need Spark to handle follow-through so nothing gets missed. Is Spark available on Mac, iPhone, and iPad? Yes. Spark works on iOS, iPadOS and macOS, and stays in sync across all your devices. Spark is made by Readdle. Terms of Service: https://sparkmailapp.com/legal/terms Privacy Policy: https://sparkmailapp.com/legal/privacy-app Help: support@sparkmailapp.com
Etrust
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Say goodbye to paper receipts and lost warranty cards. No more searching through drawers or inboxes—Etrust keeps everything organized, accessible, and paperless. Key Features for Customers: 1. Store All Warranties in One Place Digitally receive warranties and service certificates from retailers and service providers directly into your Etrust app. 2. Claim Warranties Easily Submit and manage warranty claims with a few taps. Get real-time updates and support without the paperwork. 3. Track Services & Get Reminders Never miss a service date or warranty expiry again. Etrust sends smart reminders to keep you on track. 4. Browse Retailer Offers Get personalized deals, promotions, and offers from stores where you've purchased products. 5. 100% Secure & Paperless All your documents are encrypted, backed up, and accessible anytime—no more physical paperwork or lost records. 6. Multi-device Sync Access your warranty wallet from any device, anytime, anywhere. Why Use Etrust? No more lost receipts or warranty cards Simple and transparent claims process Peace of mind with smart reminders Exclusive access to store promotions Environmentally friendly and clutter-free Completely free for customers to use Manage Warranties For: Electronics Appliances Furniture Vehicles Repairs & services And more... Etrust is your personal warranty assistant—right in your pocket. Download Etrust today and experience a secure, smart, and paperless way to manage your product warranties and services.
Screenshots
Verdict
The clearest difference is in-app purchases: Etrust at none against Spark Mail's 10. Spark Mail's advantage is update cadence (weekly vs monthly) and chart position (#82 vs unranked). On price, ads, device support and iOS requirement 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
Both are free to download. Spark Mail sells 8 in-app purchases, starting at $7.99 per month. Etrust asks for nothing beyond the download.
Spark Mail ships an update weekly, Etrust monthly. The most recent releases landed on November 14, 2026 and November 8, 2026 respectively.
| Parameter | Spark Mail | Etrust |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (83K ratings) — better | — |
| Positive reviews | 60.9% of reviews | — |
| Number of ratings | 83K — better | — |
| Update frequency | Weekly — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Best chart rank | #82 — better | — |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 16.4 | 15.1 — better |
| Further details — not scored | ||
| Size | 394 MB | 49 MB |
| Age rating | 4+ | 4+ |
| Developer | Readdle Technologies Limited | Etrust (PVT) Ltd |
Bugs and requests
Spark Mail
Reported bugs
5 issues- Emails disappearing from the inbox
- Delayed email delivery and sync
- Crashes and freezes when opening the app
- Issues with Exchange calendar and account sync
- Incorrect email grouping and threading
Requested features
5 requests- Improved spam filtering and email blocking
- Option to disable email threading
- Better calendar integration and management
- Customizable email signatures and layouts
- Expanded third-party app integrations
Etrust
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Spark Mail
- Spark Premium7 Days trial2 variants$7.991 Month
- Spark Plus Monthly7 Days trial2 variants$10.001 Month
- Spark Pro Monthly7 Days trial$20.001 Month
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- Get Spark Premium7 Days trial$41.991 Year
- Get Spark Premium7 Days trial$59.991 Year
- Spark Premium1 Year trial$59.991 Year
- Spark Plus Annual7 Days trial$99.001 Year
- Spark Pro Annual7 Days trial$199.001 Year
Etrust
No in-app purchases









