Comparison

SlideToLock vs Altly

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SlideToLock

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
Read full description

SlideToLock – Lock your Mac remotely, with a single slide. SlideToLock is the perfect app to instantly secure your Macs, wherever you are. With a simple interaction from your iPhone, you can remotely lock one or multiple Macs in a single gesture. It's fast, fluid, and perfectly integrated into the Apple ecosystem. Effortless Remote Locking No more typing passwords or rushing to your computer. Just a swipe from the app, and your Mac locks automatically. Activity Monitoring (Heartbeat): Keep an eye on your Mac's status. The app communicates with your machine to let you know if it is currently running, or how long it has been powered off. Perfect for giving yourself peace of mind that everything is turned off at the office or at home. Unlock Feature (Experimental Mode): Slide to unlock... literally! Take control by unlocking your Mac remotely. This feature navigates through the strict security layers of macOS and is offered as an experimental access. Manage Multiple Macs Working with several computers? SlideToLock lets you add and manage all of them from one unified interface. Zero Setup, 100% Security No account creation, no passwords to remember. The app uses your iCloud account to communicate with your Macs securely and privately. Ultra-Responsive, Ultra-Apple Designed to work seamlessly and natively with macOS and iOS, SlideToLock naturally fits into your Apple routine.

About

Altly

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
Read full description

Altly is a simple and beautifully designed indie app that lets you check your current altitude in real time. Open the app and instantly see your elevation with a clean, modern interface built to stay focused on what matters. The background subtly changes with altitude, giving the app a more immersive feel while keeping everything easy to read. When you need more context, Altly can also show your location on a map, along with your coordinates, place name through reverse geocoding, and nearby peaks when you are close to a known summit. Altly includes an Apple Watch app with complications, so you can check your altitude right from your wrist or glance at it directly from your watch face. You can also switch between meters and feet, making Altly useful wherever you are. Built with care and accessibility in mind, Altly supports VoiceOver and Dynamic Type, and contains no ads. Features • Live altitude and elevation • Precision indicator • Switch between meters and feet • Map view with current location • Coordinates display • Place name with reverse geocoding • Nearby peaks on the map • Apple Watch app included • Apple Watch complications • Clean, minimalist, modern interface • Dynamic background based on altitude • VoiceOver and Dynamic Type support • No ads Altly is an independent app made to be simple, useful, and pleasant to use.

Screenshots

SlideToLock2 screens
Altly3 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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

Scorecard3 real differences · 7 level
SlideToLock versus Altly: the parameters behind the verdict, then further details
ParameterSlideToLockAltly
PriceFree — better$1.99
Rating5.0 (1 ratings) — better—
Positive reviews—66.7% of reviews
Number of ratings1 — better—
Update frequencyWeeklyEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, MaciPhone, Apple Watch
Requires iOS26.026.0
Further details — not scored
Size21 MB42 MB
Age rating4+4+
DeveloperContinuum (France)Benjamin GODARD

Customer experience

SlideToLock

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Altly

Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

1 purchases

SlideToLock

One-time1
  • Banner ads$1.99
None

Altly

No in-app purchases

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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