# SlideToLock vs Altly

The clearest difference is price: SlideToLock at Free against Altly's $1.99. Altly's advantage is in-app purchases (none vs 1). On update cadence, ads, device support and iOS requirement there is nothing between them.

SlideToLock is free to download; Altly costs $1.99 up front. SlideToLock sells 1 one-off in-app purchase. Altly asks for nothing beyond the download.

SlideToLock ships an update weekly, Altly every 4 days. The most recent releases landed on September 18, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | SlideToLock | Altly |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/slidetolock/id6746960176/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 21 MB | 42 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone, Mac | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Continuum (France)](https://appshunter.io/developer/1675549371) | [Benjamin GODARD](https://appshunter.io/developer/1202933179) |

## What reviewers say

### SlideToLock

[App page](https://appshunter.io/ios/app/slidetolock/id6746960176)

Instantly secure your Macs from your iPhone with a simple swipe. Monitor your Mac's status and even unlock it remotely with an experimental feature. Manage multiple Macs securely using your iCloud account.

**Highlights:** Remote Mac locking, Activity monitoring (heartbeat), Experimental unlock feature, Manage multiple Macs, Secure iCloud integration, Zero setup required

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Banner ads | $1.99 | one-time |


### Altly

[App page](https://appshunter.io/ios/app/altly/id6761809139)

Instantly view your current altitude and elevation with a clean, modern interface. It also displays your location on a map, coordinates, place name, and nearby peaks. Supports Apple Watch and unit switching for global usability.

**Highlights:** Live altitude and elevation, Map view with location and coordinates, Nearby peaks identification, Meters/feet unit switching, Apple Watch app and complications, VoiceOver and Dynamic Type support

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is SlideToLock free?

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

### Is Altly free?

Altly costs $1.99, with no in-app purchases.

### Do SlideToLock or Altly have ads?

Neither SlideToLock nor Altly shows ads.

### Which is updated more often, SlideToLock or Altly?

SlideToLock ships an update weekly, and Altly every 4 days. Most recently, SlideToLock was updated on September 18, 2026 and Altly on September 19, 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.*