E vs Openchat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
E
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E-Vo Dashboard provides a simple and intuitive interface for monitoring and setting the regulation parameters of a Marelli Motori generator equipped with E-Vo controller. E-Vo Dashboard is designed to grant access in Advanced mode to all the electrical parameters (highly customizable) of the regulator, monitor the electrical readings and the operating statuses of the generator, record data for diagnostics and performance evaluation. In Advanced mode, each configuration is customizable and adaptable to any generator model, without any degradation or drift of the control settings over time, thus guaranteeing static and dynamic performances always at their best. E-Vo Dashboard is continuously updated to guarantee all customers an accurate, safe and reliable tool for managing their own Marelli Motori generator.
Openchat
This AI assistant offers personalized text and voice interactions, helping with tasks like drafting emails, summarizing articles, and brainstorming creative ideas. It supports multilingual communication and includes an AI art generator and interactive games. Users can customize responses and focus on privacy.
- Advanced AI Assistant
- Personalized Responses
- Smart Task Automation
- Multilingual Voice & Text
- Pro AI Artist (Premium)
- Interactive Games
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OpenChat – Your Personalized AI Assistant Powered by the Best AI Models. Experience the future of AI with a smart, adaptive assistant designed to understand and assist you like never before. Key Features: • Advanced AI Assistant: Get instant, accurate answers to any question, generate creative ideas, or receive expert advice on topics like career, health, and technology. • Personalized Responses: Tailor AI interactions to your style—choose response length (short, medium, long) and tone (casual, professional, humorous, or storytelling). • Smart Task Automation: Create custom AI helpers for daily tasks: - Work: Draft emails, prepare presentations, generate reports. - Learning: Summarize articles, translate languages, explain complex concepts. - Creativity: Brainstorm stories, design marketing copy, generate poetry. - ect • Multilingual Voice & Text: Speak or type in any language for real-time translation, learning, or natural conversations. • Pro AI Artist (Premium): Generate high-quality images from text prompts for social media, artwork, or projects. • Interactive Games: Play Alchemist AI, an inventive game where you combine elements to discover new creations. Why OpenChat Stands Out: • Deep Personalization: Select 3+ interest areas (e.g., Technology, Music, Relationships) to refine AI suggestions. • Adaptive to Your Needs: Whether for quick help, deep research, or entertainment, OpenChat adjusts to your goals. • Privacy-Focused: Your data stays secure; chats are not shared with third parties. PRO Subscription Benefits: • Unlimited access to premium AI models. • Priority response times and advanced features like Pro AI Artist. • Ad-free experience with higher message limits. Subscription: • You can subscribe to a PRO account • The subscription options are 1 week, 1 month, and one year • Subscription will automatically renew for the same price and term as the original "one month", "one year", "one week" package unless auto-renewal is disabled at least 24 hours before the current period expires. • Payment will be charged to the iTunes account upon confirmation of purchase. • Subscriptions can be managed by the user and auto-renewal can be disabled in the user's account settings after purchase. Privacy policy: https://jarvisy.com/privacy-policy Terms and conditions: https://jarvisy.com/terms-of-service
Screenshots
Verdict
The clearest difference is in-app purchases: E at none against Openchat's 8. E also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). Openchat's advantage is update cadence (every 3 weeks vs every 5 months). On price 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. Openchat sells 8 in-app purchases, starting at $6.99 per 7 days. E asks for nothing beyond the download.
E ships an update every 5 months, Openchat every 3 weeks. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.
| Parameter | E | Openchat |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (4.4K ratings) — better |
| Positive reviews | — | 81.2% of reviews |
| Number of ratings | — | 4.4K — better |
| Update frequency | Every 5 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 46 MB | 111 MB |
| Age rating | 4+ | 12+ |
| Developer | Marelli Motori s.r.l. | JARVISY LTD |
Bugs and requests
E
Not enough reviews yet to summarise bugs or requests.
Openchat
Reported bugs
2 issues- Incompatibility with older devices
- Charging for a free trial
Requested features
3 requests- Option to create documents
- More free messages or reduced reset time
- Dark mode option
In-app purchases
E
No in-app purchases
Openchat
- 3-day free trial3 Days trial$6.997 Days
- 3-day free trial3 Days trial$7.997 Days
- AI Chat Premium Monthly1 Month trial$19.991 Month
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- 3-day free trial3 Days trial$19.991 Month
- AI Chat Premium Monthly1 Month trial$29.991 Month
- Yearly Access$39.991 Year
- Yearly Access$49.991 Year
- Yearly Access$89.991 Year









