# JARTON Lock vs Cue

The clearest difference is in-app purchases: JARTON Lock at none against Cue's 3. JARTON Lock also leads on device support (3 vs 1) and iOS requirement (9.0 vs 26.1). Cue's advantage is update cadence (every 3 days vs every 12 months). On price, review sentiment and ads there is nothing between them.

Both are free to download. Cue sells 3 in-app purchases, starting at $1.99 per month. JARTON Lock asks for nothing beyond the download.

JARTON Lock ships an update every 12 months, Cue every 3 days. The most recent releases landed on November 2, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | JARTON Lock | Cue |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 days** |
| Monetization | **Free** | Freemium |
| Size | 111 MB | 8 MB |
| Requires iOS | **9.0** | 26.1 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [JARTON Group Company Limited](https://appshunter.io/developer/1359725503) | [sunghun kim](https://appshunter.io/developer/1586591469) |

## What reviewers say

### JARTON Lock

[App page](https://appshunter.io/ios/app/jarton-lock/id1397724804)

Control your smart lock system using your phone. This app allows you to unlock doors remotely, offering a convenient way to manage access. It's designed for seamless integration with compatible smart lock hardware.

**Highlights:** Remote door unlocking, Smart lock system integration, Phone-based access control, Convenient door management

**Features:** macOS Compatibility

**In-app purchases:** none


### Cue

[App page](https://appshunter.io/ios/app/cue-lock-screen-todo-memo/id6789932436)

Keep your most important tasks and notes visible on your Lock Screen. This app ensures your critical to-dos and memos are always in view without needing to open the application, helping you focus on what matters most.

**Highlights:** Lock screen to-dos and memos, Visible schedule on lock screen, Focus mode with timer, Timeline view of tasks, Automatic iCloud backup, No sign-up required

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $11.99 | per year |
| Premium Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is JARTON Lock free?

JARTON Lock is free to download, with no in-app purchases.

### Is Cue free?

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

### Do JARTON Lock or Cue have ads?

Neither JARTON Lock nor Cue shows ads.

### Which is updated more often, JARTON Lock or Cue?

JARTON Lock ships an update every 12 months, and Cue every 3 days. Most recently, JARTON Lock was updated on November 2, 2026 and Cue on November 1, 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.*