O2 Calendar vs MobiFone eChatWork
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
O2 Calendar
Manage your schedule with this app, offering tools for events, appointments, notes, and daily tasks. Set custom reminders for your important activities and organize your day effectively.
- Event creation and management
- Customizable event reminders
- Daily task reminders
- Note-taking functionality
- Appointment scheduling
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O2 Calendar là công cụ tốt nhất để quản lý công việc của bạn: Lịch, Sự kiện, cuộc hẹn, ghi chú và công việc hàng ngày. Tính năng, đặc điểm - Tạo và quản lý sự kiện - Nhắc nhở tùy chỉnh cho Sự kiện - Tạo nhắc nhở hàng ngày
MobiFone eChatWork
This app facilitates communication and file sharing within teams. It allows users to easily message and discuss work-related tasks with group members, sharing files, images, and videos.
- Team messaging
- File sharing (images, videos)
- Voice chat
- Group work discussions
- Information exchange
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MobiFone eChatWork là giải pháp phục vụ trao đổi thông tin, chia sẻ file, hình ảnh, video, voice chat giữa các cá nhân trong nhóm với nhau. Hỗ trợ người dùng có thể chủ động nhắn tin, trao đổi công việc trong nhóm dễ dàng, cụ thể hơn với nhau.
Screenshots
Verdict
The clearest difference is update cadence: O2 Calendar at every 4 days against MobiFone eChatWork's every 4 weeks. O2 Calendar also leads on iOS requirement (9.0 vs 13.4). On price, ads, in-app purchases and monetization model 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.
O2 Calendar ships an update every 4 days, MobiFone eChatWork every 4 weeks. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.
| Parameter | O2 Calendar | MobiFone eChatWork |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 days — better | Every 4 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 13.4 |
| Further details — not scored | ||
| Size | 52 MB | 102 MB |
| Age rating | 4+ | 4+ |
| Developer | O2 VN Tech.,JSC | MobiFone |
Customer experience
O2 Calendar
MobiFone eChatWork
In-app purchases
O2 Calendar
No in-app purchases
MobiFone eChatWork
No in-app purchases
