# Lock Dock－Widget App Launcher vs Dúo Calculator

The clearest difference is price: Lock Dock－Widget App Launcher at Free against Dúo Calculator's $1.99. Lock Dock－Widget App Launcher also leads on update cadence (every 5 days vs every 6 months) and iOS requirement (18.0 vs 26.0). Dúo Calculator's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support there is nothing between them.

Lock Dock－Widget App Launcher is free to download; Dúo Calculator costs $1.99 up front. Lock Dock－Widget App Launcher sells 3 in-app purchases, starting at $4.99 per month. Dúo Calculator asks for nothing beyond the download.

Lock Dock－Widget App Launcher ships an update every 5 days, Dúo Calculator every 6 months. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Lock Dock－Widget App Launcher | Dúo Calculator |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/lock-dockwidget-app-launcher/id6504500665/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 3 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [iDec Apps S.L.](https://appshunter.io/developer/969876933) | [Alejandro Hernandez Mitre](https://appshunter.io/developer/1827109770) |

## What reviewers say

### Lock Dock－Widget App Launcher

[App page](https://appshunter.io/ios/app/lock-dockwidget-app-launcher/id6504500665)

Instantly access your most-used tools and apps directly from your lock screen. Customize shortcuts for quick, one-tap launches to streamline your daily tasks and improve phone interaction efficiency.

**Highlights:** Instant lock screen access, Fully customizable shortcuts, Personalized app shortcuts, Fast and efficient performance, User-friendly interface, Seamless background operation

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lock Dock PRO (Monthly) | $4.99 | per month |
| Lock Dock PRO (Yearly) | $29.99 | per year |
| Lock Dock PRO (Lifetime) | $9.99 | one-time |


### Dúo Calculator

[App page](https://appshunter.io/ios/app/duo-calculator/id6754038433)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lock Dock－Widget App Launcher free?

Lock Dock－Widget App Launcher is free to download, with in-app purchases available.

### Is Dúo Calculator free?

Dúo Calculator costs $1.99, with no in-app purchases.

### Do Lock Dock－Widget App Launcher or Dúo Calculator have ads?

Lock Dock－Widget App Launcher shows ads; Dúo Calculator does not.

### Which is updated more often, Lock Dock－Widget App Launcher or Dúo Calculator?

Lock Dock－Widget App Launcher ships an update every 5 days, and Dúo Calculator every 6 months. Most recently, Lock Dock－Widget App Launcher was updated on October 27, 2026 and Dúo Calculator on October 28, 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.*