# Megashift・Shift Work Calendar vs TIMER Operation

The clearest difference is in-app purchases: TIMER Operation at none against Megashift・Shift Work Calendar's 9. TIMER Operation also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Megashift・Shift Work Calendar sells 9 in-app purchases, starting at $0.99 per month. TIMER Operation asks for nothing beyond the download.

Megashift・Shift Work Calendar ships an update fortnightly, TIMER Operation every 2 weeks. The most recent releases landed on October 8, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Megashift・Shift Work Calendar | TIMER Operation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/megashiftshift-work-calendar/id6462981048/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 140 MB | 67 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pattarachanok Kreuzeder](https://appshunter.io/developer/1703726173) | [Gopi Gadhiya](https://appshunter.io/developer/1387816354) |

## What reviewers say

### Megashift・Shift Work Calendar

[App page](https://appshunter.io/ios/app/megashiftshift-work-calendar/id6462981048)

Effortlessly manage your work schedule and personal events with automatic work hour calculations. Visualize your shifts, track statistics, and sync across devices. Ideal for shift workers and those with irregular hours.

**Highlights:** Custom shift templates, Automatic work hour calculation, Shift statistics, Rotating schedule support, PDF export and printing (PRO), Cloud sync and backup (PRO), External calendar integration (PRO)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version monthly | $0.99 | per month |
| Full version monthly & adfree | $1.39 | per month |
| Megashift PRO monthly | $1.99 | per month |
| Megashift PRO yearly | $7.49 | per year |
| Full version yearly | $9.99 | per year |
| Full version yearly & adfree | $13.99 | per year |
| ShiftMob PRO reduced | $3.99 | one-time |
| Megashift PRO | $11.99 | one-time |
| Megashift PRO Lifetime | $18.99 | one-time |


### TIMER Operation

[App page](https://appshunter.io/ios/app/timer-operation/id6751494054)

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

**In-app purchases:** none


## Frequently asked questions

### Is Megashift・Shift Work Calendar free?

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

### Is TIMER Operation free?

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

### Do Megashift・Shift Work Calendar or TIMER Operation have ads?

Megashift・Shift Work Calendar shows ads; TIMER Operation does not.

### Which is updated more often, Megashift・Shift Work Calendar or TIMER Operation?

Megashift・Shift Work Calendar ships an update fortnightly, and TIMER Operation every 2 weeks. Most recently, Megashift・Shift Work Calendar was updated on October 8, 2026 and TIMER Operation on October 23, 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.*