GMT Cards vs Screen Time Control
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GMT Cards
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Application will help you to organise time zones of your family, friends or employees. Just set card name and country time zone, and you will know time of your loved one. You can quickly create event or reminder from the app considering card time. All cards stored in iCloud and syncing to all your other devices: Mac, iPad, iPhone or Apple Watch.
Screen Time Control
This app helps you master your attention and reclaim your digital independence by setting strict screen time limits and blocking distracting applications. It combines Stoic philosophy with powerful tools to foster discipline, focus on goals, and improve digital well-being for individuals and families.
- Rigorous screen time control
- App locker and hider
- Deep work and time blocking
- Family safety features
- Discipline building
- Digital well-being tools
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Master Your Attention. Rule Your Time. In an era of constant distraction, Temper helps you build the discipline to focus on what matters. We combine the philosophy of Stoicism with powerful technical tools to help you limit screen time and reclaim your digital independence. Don't let algorithms control your life. Lock in on your goals with Temper. - Rigorous Screen Time Control: Achieve true digital well-being by setting strict boundaries. Create a daily app time limit for social media and games. When the time is up, the app locks, forcing you to practice self-control. - The Vault: App Locker & Hider Distractions are everywhere. Use Temper as a robust app locker to secure your focus. - Deep Work & Time Blocking: Use our time blocking schedules to dedicate specific hours to work or study. Temper acts as a study tracker and time tracker, showing you exactly where your hours go so you can improve your habits. - Stay Focused & Present: Instantly app lock distractions and stay focused during critical tasks. Whether you are studying or enjoying downtime, ensure you are present in the moment. - Leadership & Family Safety Stoicism is about setting an example. Ensure family safety by managing screen habits for yourself and your loved ones. Protect your family from digital addiction and model a balanced life. - Build Discipline: Turn app limits into a daily practice of virtue. - Mastery: Stop consuming. Start creating. A subscription is required to use Temper. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.freeprivacypolicy.com/live/8f276018-3b7a-4a6f-9d8a-70109beef03d
Screenshots
Verdict
The clearest difference is in-app purchases: GMT Cards at none against Screen Time Control's 3. GMT Cards also leads on device support (4 vs 2) and iOS requirement (16.0 vs 18.0). On price and 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
Both are free to download. Screen Time Control sells 3 in-app purchases, starting at $4.99 per 7 days. GMT Cards asks for nothing beyond the download.
| Parameter | GMT Cards | Screen Time Control |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Monthly | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Subscription |
| Devices | iPhone, iPad, Mac, Apple Watch — better | iPhone, iPad |
| Requires iOS | 16.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 2 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Sergii Yefisko | DANIEL PETRISOR ATITIENEI |
In-app purchases
GMT Cards
No in-app purchases
Screen Time Control
- Weekly Plan$4.997 Days
- Yearly Plan Discount$14.991 Year
- Yearly Plan$29.991 Year









