# Greenbot Hydra vs Time Calendar, Event, Task

The clearest difference is in-app purchases: Greenbot Hydra at none against Time Calendar, Event, Task's 4. Greenbot Hydra also leads on iOS requirement (14.0 vs 26.0). Time Calendar, Event, Task's advantage is update cadence (every 4 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Time Calendar, Event, Task sells 4 in-app purchases, starting at $1.99 per month. Greenbot Hydra asks for nothing beyond the download.

Greenbot Hydra ships an update every 4 months, Time Calendar, Event, Task every 4 days. The most recent releases landed on October 28, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Greenbot Hydra | Time Calendar, Event, Task |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (16 ratings)](https://appshunter.io/ios/app/time-calendar-event-task/id6756198113/reviews)** |
| Number of ratings | — | **16** |
| Positive reviews | — | 90.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | — | Free |
| Size | 18 MB | 30 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Biobot SAS](https://appshunter.io/developer/1154049256) | [Plum Co.](https://appshunter.io/developer/1710979433) |

## What reviewers say

### Greenbot Hydra

[App page](https://appshunter.io/ios/app/greenbot-hydra/id6744179052)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Time Calendar, Event, Task

[App page](https://appshunter.io/ios/app/time-calendar-event-task/id6756198113)

Manage your events and reminders in one unified timeline. Plan your day with an intuitive interface and track your schedule at a glance. Powerful widgets allow you to view and complete tasks directly from your home screen.

**Highlights:** Unified event and reminder management, Intuitive timeline view, Powerful widget support, Minimalist design, Schedule and task completion from home screen

**Features:** Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Time+ Monthly | $1.99 | per month |
| Time+ Yearly | $14.99 | per year |
| Time+ Lifetime | $19.99 | one-time |
| Time+ Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Greenbot Hydra free?

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

### Is Time Calendar, Event, Task free?

Time Calendar, Event, Task is free to download, with in-app purchases available.

### Do Greenbot Hydra or Time Calendar, Event, Task have ads?

Neither Greenbot Hydra nor Time Calendar, Event, Task shows ads.

### Which is updated more often, Greenbot Hydra or Time Calendar, Event, Task?

Greenbot Hydra ships an update every 4 months, and Time Calendar, Event, Task every 4 days. Most recently, Greenbot Hydra was updated on October 28, 2026 and Time Calendar, Event, Task on November 5, 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.*