AI ChatBot vs Envoy Mail
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AI ChatBot
This AI-powered assistant helps you chat smarter and faster with lifelike conversations. It offers features like automatic replies, image sharing, and brainstorming assistance, all within a private and secure interface.
- Lifelike AI conversations
- Automatic replies
- Customized answers
- Image sharing
- Brainstorming assistance
- Private and secure
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ChatBOT is your intelligent, AI-powered assistant for iOS, designed to help you chat smarter, faster, and more naturally — anytime, anywhere. REAL CONVERSATIONS, POWERED BY ADVANCED AI Enjoy lifelike conversations with your personal AI assistant. ChatBOT uses cutting-edge language technology to provide engaging and helpful responses to your questions and ideas. SMART FEATURES AT YOUR FINGERTIPS From quick automatic replies to customized answers and image sharing, ChatBOT makes every conversation feel personal and dynamic. Whether you need help brainstorming, organizing thoughts, or just chatting, it’s here for you. PRIVATE & SECURE Your privacy matters. ChatBOT uses encryption to help keep your conversations safe and secure. FAST. EASY. FUN. With a sleek, user-friendly design, you can jump right in and start chatting—no learning curve required. ChatBOT Pro is available for $19.99/year (price may vary by region or promotion). Payment is charged to your iTunes Account at confirmation of purchase. Subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Account is charged for renewal within 24 hours prior to the end of the current period. Manage subscriptions and turn off auto-renewal in iTunes Account Settings after purchase. Privacy Policy: https://londonappstudio.co.uk/privacy.html Terms of Use: https://londonappstudio.co.uk/terms.html
Envoy Mail
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Envoy is the mail app for mailboxes hosted by The House of Kemmy. Sign in with the address your organisation gave you and your mail is there: fast, clean and private. Instant Alerts New mail reaches your iPhone the moment it arrives, even when the app is closed. All Your Mailboxes in One App Add every address you use and switch between them with a tap. Each one alerts on its own. Calm, Clean Reading Every email fits your screen, designed newsletters and plain notes alike. Swipe to go back, archive or delete in a tap, and reply from the bar at the bottom. Fast, Even on a Weak Connection Mail you have opened stays on your iPhone, so it opens instantly next time, and your newest messages are fetched ahead of you. Find Anything Search shows results as you type. Private by Design No ads, no tracking, and your data is never sold. Your password is never stored on your iPhone. Light and Dark Envoy follows your iPhone's appearance. Envoy works with mailboxes hosted by The House of Kemmy. To get one for your organisation, write to hi@kemmy.org.
Screenshots
Verdict
The clearest difference is in-app purchases: Envoy Mail at none against AI ChatBot's 1. Envoy Mail also leads on update cadence (weekly vs every 6 weeks). 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. AI ChatBot sells 1 in-app purchase, starting at $19.99 per year. Envoy Mail asks for nothing beyond the download.
AI ChatBot ships an update every 6 weeks, Envoy Mail weekly. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.
| Parameter | AI ChatBot | Envoy Mail |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (387 ratings) — better | — |
| Positive reviews | 21.4% of reviews | — |
| Number of ratings | 387 — better | — |
| Update frequency | Every 6 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 27 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | London App Studio Ltd | The House of Kemmy Ltd |
Bugs and requests
AI ChatBot
Reported bugs
6 issues- App always crashing
- App crashes a lot
- App crashes a lot when asked question
- Lost chat history first during inline purchase
- App crashed and the chat was lost again
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- App crashes so much
Requested features
1 request- ChatGPT in Catalan Language
Envoy Mail
Not enough reviews yet to summarise bugs or requests.
In-app purchases
AI ChatBot
- ChatBOT Pro$19.991 Year
Envoy Mail
No in-app purchases








