# Power Shift work Calendar vs Add Calendar Basic

The clearest difference is update cadence: Add Calendar Basic at monthly against Power Shift work Calendar's every 3 months. Add Calendar Basic also leads on iOS requirement (11.1 vs 15.6). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 1.0 for Power Shift work Calendar against 1.0 for Add Calendar Basic. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Power Shift work Calendar ships an update every 3 months, Add Calendar Basic monthly. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Power Shift work Calendar | Add Calendar Basic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/power-shift-work-calendar/id518654104/reviews) | [1.0 (1 ratings)](https://appshunter.io/ios/app/add-calendar-basic/id1482436846/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 7.2% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Ad-supported | Ad-supported |
| Size | 9 MB | 34 MB |
| Requires iOS | 15.6 | **11.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CHING FENG WANG](https://appshunter.io/developer/394371304) | [cho seonghyun](https://appshunter.io/developer/1436483241) |

## What reviewers say

### Power Shift work Calendar

[App page](https://appshunter.io/ios/app/power-shift-work-calendar/id518654104)

This app helps shift workers manage their schedules with an intuitive calendar and multi-person support. Customize shifts, track overtime pay, and receive work reminders. It's designed for various industries with 24-hour operations.

**Highlights:** Intuitive calendar interface, Multi-person team scheduling, Customizable shift settings, Smart editing for staff assignment, Automatic salary and overtime calculation, Customizable work reminders, Multi-language support

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to navigate
- 👍 Simple to use
- 👍 Good idea for an app
- 👍 Was a good app previously
- 👍 Widget functionality

**What reviewers complain about**

- 🐛 Crashes frequently
- 🐛 App not working
- 🐛 Freezes often
- 🐛 Lost data after updates
- 🐛 Inconsistent functionality

**Reported bugs**

- Application not responding
- Lines on the calendar
- Keeps crashing
- Glitches galore
- Kept shutting users out

**Requested features**

- Fix bugs and crashes
- Restore lost data
- Allow longer shift pattern input
- Add ability to repeat shift patterns
- Add tutorial


### Add Calendar Basic

[App page](https://appshunter.io/ios/app/add-calendar-basic/id1482436846)

This utility app allows users to add custom calendars directly to their device wallpaper. It also offers a convenient feature for managing 3-shift work schedules.

**Highlights:** Add custom calendars to wallpaper, 3-shift work schedule management, Wallpaper integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Power Shift work Calendar free?

Power Shift work Calendar is free to download, with no in-app purchases.

### Is Add Calendar Basic free?

Add Calendar Basic is free to download, with no in-app purchases.

### Which has better reviews, Power Shift work Calendar or Add Calendar Basic?

Power Shift work Calendar and Add Calendar Basic are both rated 1.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Power Shift work Calendar or Add Calendar Basic have ads?

Both Power Shift work Calendar and Add Calendar Basic show ads.

### Which is updated more often, Power Shift work Calendar or Add Calendar Basic?

Power Shift work Calendar ships an update every 3 months, and Add Calendar Basic monthly. Most recently, Power Shift work Calendar was updated on October 7, 2026 and Add Calendar Basic on October 14, 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.*