CosmoChat vs Emma Email
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CosmoChat
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Create Stunning Content in Seconds with Our AI-Powered App! Transform your content creation process with our innovative AI app, designed to generate high-quality, plagiarism-free content effortlessly. Whether you need articles, social media posts, product descriptions, or even code explanations—our app has it all. How It Works: Select Use-Case: Choose from a vast library of content templates that cater to all your needs. Input Your Context: Provide relevant information, and let our AI craft the perfect content tailored to your specifications. Generate Results: Get high-quality, ready-to-use content in seconds! With our app, you can generate: Articles Social media posts (Facebook, Instagram, YouTube) Email messages Product descriptions Blog ideas and outlines And much more! Why waste time writing when our app can do it for you? Try it today and unlock your creative potential with AI—fast, simple, and efficient.
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 device support: CosmoChat at 3 against Emma Email's 1. CosmoChat also leads on iOS requirement (13.0 vs 16.4). On price, update cadence, ads 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.
CosmoChat ships an update every 4 days, Emma Email weekly. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.
| Parameter | CosmoChat | Emma Email |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (12 ratings) — better |
| Positive reviews | — | 62.5% of reviews |
| Number of ratings | — | 12 — better |
| Update frequency | Every 4 days — better | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 65 MB | 60 MB |
| Age rating | 17+ | 4+ |
| Developer | Sardar Khan | Castle Labs LLC |
In-app purchases
CosmoChat
No in-app purchases
Emma Email
No in-app purchases









