Conclave by ACM vs Nextcloud Calendar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Conclave by ACM
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Conclave is ACM-VIT’s fully in-house video conferencing platform, designed, built and maintained by us to support communication needs. It is a production-ready system that mirrors the functionality of mainstream conferencing tools while offering the freedom, ownership and flexibility that come with building infrastructure from scratch. At its core, Conclave enables seamless real-time audio and video communication. The platform is designed to support everything from quick one-on-one discussions to large group meetings, without requiring users to install external applications. By owning the entire stack, ACM-VIT gains complete control over user experience, feature evolution and platform reliability. Conclave offers multiple frictionless ways to join a meeting: i. Sign in with Google ii. Sign in with Apple iii. Join as a guest, without authentication This ensures accessibility for both ACM members and external participants such as speakers, judges, or collaborators, while still supporting secure, authenticated sessions when required. □ Meeting Capabilities Users can: i. Start a new meeting instantly ii. Join an existing meeting using a meeting code or link iii. Lock a meeting, preventing new participants from entering once the session begins iv. Hosts retain control over the flow of the meeting, enabling moderated discussions during interviews, internal reviews, or sensitive conversations. □ Core Features Conclave is built to match the expectations set by widely used platforms like Google Meet. Its feature set includes: i. High-quality audio and video streaming ii. In-meeting chat, enabling parallel discussion and link sharing iii. Text-to-Speech (TTS) support for enhanced accessibility iv. Participant management and host controls In short, Conclave supports all essential features expected from a modern video conferencing solution, while remaining tailored to student-led use cases. Conclave represents a natural evolution of ACM-VIT as a technical community, one that not only discusses technology daily, but also builds the tools that power those discussions. As an in-house video conferencing platform with feature parity to industry-standard tools, Conclave stands as a testament to student-led innovation, ownership, and engineering maturity.
Nextcloud Calendar
Manage your Nextcloud calendars with a simple mobile app. View, create, and organize events with real-time synchronization across multiple instances. Supports creating meetings with video conference links.
- Automatic calendar detection
- View, create, and manage events
- Real-time synchronization
- Multi-account support
- Create meetings with video conference links
- Switch between multiple Nextcloud instances
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Manage your Nextcloud calendars from a mobile app designed to keep things simple. Nextcloud Calendar automatically detects the calendars available on your instance and lets you easily view, create, and organize your events. Changes are synced in real time to keep your schedule up to date, whether you use one or multiple Nextcloud instances. Key features: • Automatic calendar detection • View, create, and manage events • Real-time synchronization • Multi-account support • Create meetings with video conference links via Nextcloud Talk Using multiple Nextcloud servers? Add your accounts and easily switch between instances. If Nextcloud Talk is enabled on your instance, you can generate a video conference link directly from the app and attach it to your event. Nextcloud Calendar is designed for users, teams, and organizations that want mobile access to their Nextcloud calendars through a clear, modern experience built for everyday use. A compatible Nextcloud instance is required. Some features may depend on your server configuration and the apps enabled by your administrator.
Screenshots
Verdict
Conclave by ACM and Nextcloud Calendar are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Conclave by ACM ships an update every 3 weeks, Nextcloud Calendar every 2 weeks. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.
| Parameter | Conclave by ACM | Nextcloud Calendar |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 16.4 |
| Further details — not scored | ||
| Size | 55 MB | 52 MB |
| Age rating | 9+ | 4+ |
| Developer | Manav Muthanna | Soluce Technologies |
In-app purchases
Conclave by ACM
No in-app purchases
Nextcloud Calendar
No in-app purchases
Questions
Is Conclave by ACM free?
Is Nextcloud Calendar free?
Do Conclave by ACM or Nextcloud Calendar have ads?
Which is updated more often, Conclave by ACM or Nextcloud Calendar?
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