Urmet Sclak vs Alertcal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Urmet Sclak
This app provides a secure and smart way to manage electronic locks, eliminating the need for physical keys. It allows users to control access for themselves and guests, offering customizable permissions and a robust Bluetooth connection for enhanced security. Ideal for homes, apartments, and offices seeking a keyless entry solution.
- Open electronic locks remotely
- Keyless entry system
- Invite and manage guest access
- Customize access permissions
- Secure Bluetooth connection
- Control multiple locks with one app
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Sclak is the safe and smart way to open locks. Works with any electronic lock. If you have a Sclak-enabled lock or you have been invited to one, this is the app for you. Never lose your keys again. SCLAK combines simplicity and security to bring you the ultimate personal keyless-entry system. Sclak is the ideal way to introduce controlled keyless access to apartment buildings, shared residences and office. • Works with any electronic lock • Simple to install and use • Installs in any smartphone iOS 8+ • One app controls all your SCLAK-enabled locks. • Invite and remove guests directly from the app • Customize access permissions • Bluetooth® connection secured with DeepCover® Secure Memory using Secure Hash Algorithm (SHA-256) • Home and advanced business solutions Don't have a Sclak lock? Come and visit us at www.sclak.com NOTE: Continued use of GPS running in the background can dramatically decrease battery life.
Alertcal
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Never miss an important event again. Alertcal transforms your calendar notifications into real alarms that demand your attention. Instead of a quiet push notification that disappears, you get a powerful alarm before your event begins. Meetings. School pickups. Workouts. Flights. Deadlines. If it is on your calendar, you will be ready. How it works: Connect your existing calendar Choose how many minutes before an event you want to be alerted Receive a loud, persistent alarm that makes sure you act Features: Custom alarm timing for each event Strong alerts that stand out from normal notifications Snooze support Works with your current calendar setup Clean, simple interface Stop relying on notifications you ignore. Start using alarms that keep you accountable. Alertcal helps professionals, parents, students, and busy people stay prepared and on time. Be early. Be prepared. Be aware.
Screenshots
Verdict
The clearest difference is price: Urmet Sclak at Free against Alertcal's $1.99. Urmet Sclak also leads on device support (3 vs 1) and iOS requirement (14.0 vs 26.0). Alertcal's advantage is in-app purchases (none vs 7) and update cadence (every 3 weeks vs every 2 months). On ads 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
Urmet Sclak is free to download; Alertcal costs $1.99 up front. Urmet Sclak sells 7 one-off in-app purchases. Alertcal asks for nothing beyond the download.
Urmet Sclak ships an update every 2 months, Alertcal every 3 weeks. Both last shipped on October 10, 2026.
| Parameter | Urmet Sclak | Alertcal |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 2.3 (4 ratings) — better | — |
| Positive reviews | 11.5% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod, Apple Watch — better | iPhone |
| Requires iOS | 14.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 85 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | URMET SpA | Scott Foster |
In-app purchases
Urmet Sclak
- 5 guests pack$7.99
- 10 guests pack$12.99
- Owner key$16.99
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- 20 guests pack$24.99
- 100 guests pack$84.99
- 250 guests pack$199.99
- 400 Guests Pack$299.99
Alertcal
No in-app purchases









