# Work Shift Calendar (Shifter) vs Lock Down Keys

The clearest difference is ads: Lock Down Keys at none against Work Shift Calendar (Shifter)'s shown. Work Shift Calendar (Shifter)'s advantage is iOS requirement (13.0 vs 15.1). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Work Shift Calendar (Shifter) sells 10 one-off in-app purchases and Lock Down Keys sells 6 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Work Shift Calendar (Shifter) ships an update every 6 weeks, Lock Down Keys monthly. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Work Shift Calendar (Shifter) | Lock Down Keys |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2.6K ratings)](https://appshunter.io/ios/app/work-shift-calendar-shifter/id1523513035/reviews)** | — |
| Number of ratings | **2.6K** | — |
| Positive reviews | 91.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 36 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Luis Alberto Reyes Halaby](https://appshunter.io/developer/1523513037) | [Victor Calatayud](https://appshunter.io/developer/1855670382) |

## What reviewers say

### Work Shift Calendar (Shifter)

[App page](https://appshunter.io/ios/app/work-shift-calendar-shifter/id1523513035)

Organize your work schedule, track income, and manage appointments with customizable shifts and reminders. Features include daily, weekly, and monthly views, income statistics, and calendar export. Stay on top of your day with this comprehensive tool for shift workers.

**Highlights:** Customizable shift creation, Income and overtime tracking, Shift-specific alarms, Daily notes with reminders, Desktop widgets, Monthly and annual calendar views, Calendar export and import

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donation | $0.99 | one-time |
| Donation | $1.99 | one-time |
| Donation | $3.99 | one-time |
| PRO Version | $4.99 | one-time |
| Donation | $4.99 | one-time |
| Donation | $5.99 | one-time |
| Donation | $6.99 | one-time |
| Donation | $7.99 | one-time |
| Donation | $8.99 | one-time |
| Donation | $9.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Convenient for shift workers
- 💰 Helps track income and pay
- 🎨 Customizable colors and layout
- 📅 Useful for planning schedules and appointments

**What reviewers complain about**

- 🐛 Issues with syncing across devices
- 🔍 Difficulty finding tutorial or instructions
- 🔧 Limited ability to manage more than 2 shifts per day
- 🔌 Widget no longer available after iOS 18 update

**Reported bugs**

- App crashes after recent update
- Alarms not working properly on some devices
- Calendar not displaying correct dates/days

**Requested features**

- Add ability to share schedules with others
- Improve syncing and backup capabilities
- Introduce a widget option for iOS devices
- Allow more than 2 shifts to be added per day


### Lock Down Keys

[App page](https://appshunter.io/ios/app/lock-down-keys/id6764108830)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $3.99 | per month |
| Pro | $8.99 | per month |
| Enterprise | $17.99 | per month |
| Basic | $44.99 | per year |
| Pro | $89.99 | per year |
| Enterprise | $179.99 | per year |


## Frequently asked questions

### Is Work Shift Calendar (Shifter) free?

Work Shift Calendar (Shifter) is free to download, with in-app purchases available.

### Is Lock Down Keys free?

Lock Down Keys is free to download, with in-app purchases available.

### Do Work Shift Calendar (Shifter) or Lock Down Keys have ads?

Work Shift Calendar (Shifter) shows ads; Lock Down Keys does not.

### Which is updated more often, Work Shift Calendar (Shifter) or Lock Down Keys?

Work Shift Calendar (Shifter) ships an update every 6 weeks, and Lock Down Keys monthly. Most recently, Work Shift Calendar (Shifter) was updated on November 3, 2026 and Lock Down Keys on October 25, 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.*