# Vimcal vs Groupthink Assistant

The clearest difference is in-app purchases: Vimcal at none against Groupthink Assistant's 1. Vimcal also leads on ratings volume (470 vs 2) and update cadence (every 6 days vs every 3 weeks). Groupthink Assistant's advantage is rating (5.0 vs 4.7) and iOS requirement (18.0 vs 26.1). On price, ads and device support there is nothing between them.

Both are free to download. Groupthink Assistant sells 1 in-app purchase, starting at $25.00 per month. Vimcal asks for nothing beyond the download.

Groupthink Assistant holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Vimcal has 470 ratings behind it against 2, so its average is the more settled of the two.

Vimcal ships an update every 6 days, Groupthink Assistant every 3 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | Vimcal | Groupthink Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (470 ratings)](https://appshunter.io/ios/app/vimcal-ai-calendar-and-schedule/id1608841561/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/groupthink-assistant/id6446509018/reviews)** |
| Number of ratings | **470** | 2 |
| Positive reviews | 52.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Monetization | **Free** | Freemium |
| Size | 73 MB | 31 MB |
| Requires iOS | 26.1 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vimcal Inc.](https://appshunter.io/developer/1608841563) | [Groupthink](https://appshunter.io/developer/1678204325) |

## What reviewers say

### Vimcal

[App page](https://appshunter.io/ios/app/vimcal-ai-calendar-and-schedule/id1608841561)

This calendar app streamlines scheduling for busy professionals and teams using AI and intuitive features. It offers agentic scheduling, time zone management, and a clean interface to boost productivity.

**Highlights:** Agentic scheduling with AI, Time zone conversion (Time Travel), Availability sharing (Slots), Meeting decluttering (Rainbow Events), Fast and intuitive UI, Team scheduling capabilities

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and efficient
- 🤝 Great for managing multiple calendars
- ⏱️ Helpful time zone features
- 💻 Powerful desktop app
- 🎨 Clean and intuitive UI

**What reviewers complain about**

- 🐛 Bugs with date/time navigation
- 🔌 No offline support
- 🔍 Difficult to find/add local calendars
- 🔀 Issues with Google/Microsoft account integration
- 📱 Laggy and buggy mobile app

**Reported bugs**

- Scheduling links broken
- Randomly deleting meetings
- Inability to update meeting details
- Widget not showing all events

**Requested features**

- Integration with iCloud and other calendar services
- Full year view
- Better widget functionality
- Ability to feed external data into the calendar
- Apple Watch support


### Groupthink Assistant

[App page](https://appshunter.io/ios/app/groupthink-assistant/id6446509018)

This app acts as a personal memory for your contacts, organizing information about individuals and past conversations. It helps you prepare for interactions by providing summaries of what you know, your history, and outstanding tasks. The app also helps manage your daily schedule and allows for quick note-taking or recording of conversations, linked to specific people.

**Highlights:** One page per person profile, Track conversation history, Manage outstanding tasks, Daily schedule overview, Quick note and recording capture, Personalized contact reminders

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Groupthink Pro | $25.00 | per month |


## Frequently asked questions

### Is Vimcal free?

Vimcal is free to download, with no in-app purchases.

### Is Groupthink Assistant free?

Groupthink Assistant is free to download, with in-app purchases available.

### Which has better reviews, Vimcal or Groupthink Assistant?

Groupthink Assistant is rated higher. Vimcal averages 4.7 out of 5 from 470 ratings, while Groupthink Assistant averages 5.0 from 2 ratings.

### Do Vimcal or Groupthink Assistant have ads?

Neither Vimcal nor Groupthink Assistant shows ads.

### Which is updated more often, Vimcal or Groupthink Assistant?

Vimcal ships an update every 6 days, and Groupthink Assistant every 3 weeks. Most recently, Vimcal was updated on October 30, 2026 and Groupthink Assistant on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*