Emma Email vs MasterCheck
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Emma Email
A minimalist email client focused on speed and simplicity to help users achieve inbox zero. It offers a clean interface and thoughtful defaults to reduce clutter and boost productivity. Currently supports multiple Gmail accounts on iPhone.
- Minimalist design
- Inbox zero focus
- Fast and speed-optimized
- Reduces clutter
- Supports multiple Gmail accounts
- Clean interface
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Emma is a Newton-inspired email client for iPhones. Your inbox has a bottom. Fewer features and less spam get you there. WORKS WITH GMAIL AND OUTLOOK (ICLOUD COMING) As many accounts as you need. ONE-TAP UNSUBSCRIBE Tap once and tomorrow's inbox is lighter. READ RECEIPTS Know when your emails are read. TEXTED 2FA CODES Emailed two-factor codes are sent to you via text message for easy prefill. SET ASIDE Emma has a single non-inbox folder for emails that aren't actionable today. TRUE DARK MODE Dark themed app, dark themed emails. PRIVACY Emma does not persist your emails. Full stop. NOT INCLUDED AI, calendar, chat, snooze, templates. Emma is devoted to the closure found at the bottom of your inbox. She never sends you email. Not even a welcome email.
MasterCheck
Create and manage reusable checklists for daily routines to eliminate uncertainty. Mark tasks as complete with a tap for a clear record and set one-time reminders for important items. Embrace a worry-free lifestyle and simplify your daily tasks.
- Reusable daily checklists
- Task completion tracking
- One-time reminders
- Worry-free lifestyle
- Routine simplification
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Are you ever struck by that pesky uncertainty after leaving home? “Did I lock the door? Was the stove turned off?” Say hello to MasterCheck, your go-to app for peace of mind! Easily create reusable checklists tailored to your daily routines. With just a tap, you can check off tasks and have a clear record of what you've completed—shedding that worry for good! Plus, set one-time reminders for important tasks, ensuring you stay on track. Embrace a worry-free lifestyle! Download MasterCheck today and transform your daily routines into a breeze!
Screenshots
Verdict
The clearest difference is ads: Emma Email at none against MasterCheck's shown. Emma Email also leads on monetization model (free vs ad-supported) and update cadence (weekly vs every 3 weeks). MasterCheck's advantage is rating (5.0 vs 4.7). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
MasterCheck holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Emma Email has 12 ratings behind it against 2, so its average is the more settled of the two.
Emma Email ships an update weekly, MasterCheck every 3 weeks. The most recent releases landed on October 28, 2026 and October 9, 2026 respectively.
| Parameter | Emma Email | MasterCheck |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (12 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 62.5% of reviews | — |
| Number of ratings | 12 — better | 2 |
| Update frequency | Weekly — better | Every 3 weeks |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone | iPhone |
| Requires iOS | 16.4 — better | 26.4 |
| Further details — not scored | ||
| Size | 60 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Castle Labs LLC | Manuel Calderon Lugo |
In-app purchases
Emma Email
No in-app purchases
MasterCheck
No in-app purchases
