Nextbox vs Emma Email
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nextbox
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Nextbox makes makes it quick and easy to maintain inbox zero. You don't have to be a superhuman to rock your email any more. Just scroll through your feed and emails are marked read as you see them. Pin the ones you want to follow up on later and the rest will drop below them when your feed refreshes.
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.
Screenshots
Verdict
The clearest difference is ads: Emma Email at none against Nextbox's shown. Nextbox's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.4). On price, update cadence and in-app purchases 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.
Nextbox ships an update every 9 days, Emma Email weekly. The most recent releases landed on September 9, 2026 and September 17, 2026 respectively.
| Parameter | Nextbox | Emma Email |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.6 (11 ratings) — better |
| Positive reviews | — | 71.4% of reviews |
| Number of ratings | — | 11 — better |
| Update frequency | Every 9 days | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 22 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | Next Level Coder, LLC | Castle Labs LLC |
In-app purchases
Nextbox
No in-app purchases
Emma Email
No in-app purchases
