# Shift Calendar vs IMIP Apps

The clearest difference is review sentiment: Shift Calendar at 51% against IMIP Apps's 8%. Shift Calendar also leads on iOS requirement (11.0 vs 15.0). IMIP Apps's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Shift Calendar sells 4 one-off in-app purchases. IMIP Apps asks for nothing beyond the download.

Shift Calendar ships an update every 3 months, IMIP Apps every 2 weeks. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Shift Calendar | IMIP Apps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (144 ratings)](https://appshunter.io/ios/app/shift-calendar-schedule/id1338193231/reviews)** | — |
| Number of ratings | **144** | — |
| Positive reviews | **51.5% of reviews** | 8.2% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 27 MB | 74 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [章健 杨](https://appshunter.io/developer/1566849627) | [ROZUL IMAM](https://appshunter.io/developer/1600822486) |

## What reviewers say

### Shift Calendar

[App page](https://appshunter.io/ios/app/shift-calendar-schedule/id1338193231)

Easily manage your work schedule with this app designed for shift workers. Customize your shifts, generate schedules automatically, and add important notes to your calendar.

**Highlights:** Customizable shift work, Automatic cycle scheduling, Calendar notes, Clear shift display

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calendar Notes | $0.99 | one-time |
| Remove Ads | $0.99 | one-time |
| Pro Version | $0.99 | one-time |
| Add User | $0.99 | one-time |


### IMIP Apps

[App page](https://appshunter.io/ios/app/imip-apps/id1605339796)

Manage employee requests like leaves, business trips, and overtimes. Track mobile attendance and approvals. Stay updated with an events calendar.

**Highlights:** Leave requests, Business trip management, Overtime submissions, Mobile attendance tracking, Approval workflows, Events calendar

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

**In-app purchases:** none


## Frequently asked questions

### Is Shift Calendar free?

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

### Is IMIP Apps free?

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

### Do Shift Calendar or IMIP Apps have ads?

Shift Calendar shows ads; IMIP Apps does not.

### Which is updated more often, Shift Calendar or IMIP Apps?

Shift Calendar ships an update every 3 months, and IMIP Apps every 2 weeks. Most recently, Shift Calendar was updated on October 8, 2026 and IMIP Apps 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.*