Email Client vs InxSlackAct
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Email Client
Manage all your email accounts in one place with features like read receipts, scheduled sending, and AI-powered writing feedback. Quickly schedule meetings directly from your inbox and pause incoming messages when you need to focus.
- One-tap calendar scheduling
- Read receipts
- Email scheduling
- Inbox Pause
- AI writing feedback
- Multiple account support
Read full descriptionHide full description
Join millions who use Boomerang to email productively! See all of your email accounts, get one-tap calendar scheduling, see read receipts, and schedule emails to be sent later. Works with Gmail, Outlook & Hotmail accounts. NEW: Set Boomerang as your default email. Select Settings - scroll down, select Boomerang - tap Default Email App - tap Boomerang. ***Featured in NYT, TC, Inc., The Guardian and more!*** Why Boomerang: • NEW! One-tap calendar scheduling. Share availability and schedule a meeting while in email. • NEW! Set different colored email accounts. • Read Receipts. Track email opens and clicks. • Easy follow up: Get notified when no one replies to your email. • Inbox Pause: Stop incoming emails until you’re ready for them. • Email scheduling. Schedule emails to be sent later. • Get faster replies: Our AI gives you feedback to write better emails. Know if your emails are too short, too wordy, or just right. • Offline Support • Dark Mode • Custom swipes Loving the app? Please post a positive review. Thank you for your five stars. It really helps! Questions/feedback? Email us at support+iphone@boomerangapp.com or tweet to @Boomerang A BIG thanks to everyone who rates us 5 stars. Your support means the world to us. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
InxSlackAct
Read full descriptionHide full description
Slackで注文業務の連絡など行っている場合など、定型文章を簡単に送りたいシーンもあったりします。 通常と違うフローで担当へ電話で注文があった場合など、簡単に販売担当にSlackで受注内容を送りたいこともあったりします。 定型文章を送る工程を効率化することで、操作ストレスなどを軽減できれば!
Screenshots
Verdict
The clearest difference is in-app purchases: InxSlackAct at none against Email Client's 10. 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
Both are free to download. Email Client sells 7 in-app purchases, starting at $19.99 per month. InxSlackAct asks for nothing beyond the download.
Email Client ships an update every 6 weeks, InxSlackAct every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Email Client | InxSlackAct |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (4.7K ratings) — better | — |
| Positive reviews | 39.1% of reviews | — |
| Number of ratings | 4.7K — better | — |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.4 |
| Further details — not scored | ||
| Size | 92 MB | 3 MB |
| Age rating | 9+ | 4+ |
| Developer | Baydin Inc. | INEXIO LIMITED LIABILITY CO. |
Bugs and requests
Email Client
Reported bugs
4 issues- Emails not loading properly
- Unread email count not updating correctly
- Scheduled emails not sending at the right time
- Compatibility issues with other apps (e.g., SwiftKey)
Requested features
6 requests- Unified inbox for multiple email accounts
- Customizable swipe gestures
- Dark mode
- Better email threading and conversation view
- Improved notification handling
Show 1 moreShow fewer
- Support for more email providers (e.g., iCloud, Yahoo)
InxSlackAct
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Email Client
- Boomerang Gmail Pro Monthly7 Days trial$19.991 Month
- Boomerang Gmail Pro Monthly2 variants$19.991 Month
- Boomerang Outlook Pro Monthly7 Days trial$19.991 Month
Show 4 moreShow fewer
- Boomerang Outlook Pro Monthly2 variants$19.991 Month
- Boomerang Gmail Pro Yearly14 Days trial$179.991 Year
- Boomerang Gmail Pro Yearly2 variants$179.991 Year
- Boomerang Outlook Pro Yearly14 Days trial$179.991 Year
InxSlackAct
No in-app purchases









