# Project Manager vs Calendar Alarms

The clearest difference is monetization model: Calendar Alarms at free against Project Manager's paid. Project Manager's advantage is iOS requirement (17.0 vs 26.0). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Project Manager sells 1 one-off in-app purchase and Calendar Alarms sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Project Manager ships an update every 2 days, Calendar Alarms every 3 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | Project Manager | Calendar Alarms |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calendar-alarms-shift-and-work/id6777086486/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 days |
| Monetization | Paid | **Free** |
| Size | 16 MB | 54 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Opticell Limited](https://appshunter.io/developer/1883824295) | [Tristan Beasley](https://appshunter.io/developer/6777086488) |

## What reviewers say

### Project Manager

[App page](https://appshunter.io/ios/app/project-manager-workflow/id6761440692)

This privacy-focused project management tool offers multiple ways to view your work, including boards, calendars, and Gantt charts. It allows for real-time collaboration and integrates with AI assistants for task management. Your data is stored securely in iCloud, ensuring privacy.

**Highlights:** Multiple task views (Board, Calendar, Gantt, etc.), Real-time collaboration via iCloud, AI assistant integration, Note-taking that converts to tasks, Focus timer and time tracking, Customizable layouts and themes, Import/export from CSV and Apple Reminders

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Project manager - Lifetime Unlock | $19.99 | one-time |


### Calendar Alarms

[App page](https://appshunter.io/ios/app/calendar-alarms-shift-and-work/id6777086486)

This app intelligently manages your alarms by syncing with your calendar. It ensures your alarm only rings on days when a specific calendar event is scheduled, eliminating the need for manual on/off toggling.

**Highlights:** Syncs alarms with Apple Calendar, Automatic alarm activation/deactivation, Keyword-based calendar event linking, Reduces manual alarm management, Ideal for hybrid and shift workers

**Features:** Family Sharing, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sound Library | $1.99 | one-time |
| CalendarAlarm Premium | $4.99 | one-time |


## Frequently asked questions

### Is Project Manager free?

Project Manager is free to download, with in-app purchases available.

### Is Calendar Alarms free?

Calendar Alarms is free to download, with in-app purchases available.

### Do Project Manager or Calendar Alarms have ads?

Neither Project Manager nor Calendar Alarms shows ads.

### Which is updated more often, Project Manager or Calendar Alarms?

Project Manager ships an update every 2 days, and Calendar Alarms every 3 days. Most recently, Project Manager was updated on November 5, 2026 and Calendar Alarms 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.*