Smart SynX vs Rule 20
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Smart SynX
Control a wide range of smart devices remotely, including lighting, security, and sensors. Monitor and manage your smart home on the go, receiving alerts and accessing camera feeds for enhanced comfort and security.
- Remote smart device control
- Support for sensors, lighting, and security
- On-the-go monitoring
- Security alerts
- Home camera access
- IoT platform integration
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Smart Synx application is a professional application where users can control variety of smart devices remotely. Smart Synx supports devices over a wide range of smart-functions including smart control, sensor, lighting, security etc. With Smart Synx, users can monitor and control smart home devices on the go, enjoying rich useful services including device control, security alert, home camera and more. Making life more comfortable. Smart Synx, enhancing security and comfort in your life through IOT Platform.
Rule 20
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Protect your eyes. Stay focused. Build healthier screen habits. Spending hours in front of a screen? Reduce eye strain with simple, automatic reminders based on the proven 20-20-20 rule. Every 20 minutes, take a short break and look away โ your eyes will thank you. This app helps you stay consistent without interrupting your workflow. Key Features โข Smart 20-minute break reminders โข Works in the background โข Minimal, distraction-free design โข Lightweight and battery-friendly โข No setup โ just install and go Why it matters Digital eye strain can cause dryness, fatigue, and headaches. With consistent breaks, you can stay productive longer while protecting your vision. Built for focus Unlike complex productivity apps, this is simple, fast, and designed to stay out of your way โ so you can concentrate on what matters. Start building a healthier routine today.
Screenshots
Verdict
The clearest difference is ads: Smart SynX at none against Rule 20's shown. Smart SynX also leads on iOS requirement (12.1 vs 15.1). Rule 20's advantage is update cadence (every 2 days vs every 3 months). On price, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Smart SynX ships an update every 3 months, Rule 20 every 2 days. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.
| Parameter | Smart SynX | Rule 20 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | โ |
| Update frequency | Every 3 months | Every 2 days โ better |
| Ads | No โ better | Yes |
| In-app purchases | No | No |
| Monetization | Free | โ |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.1 โ better | 15.1 |
| Further details โ not scored | ||
| Size | 40 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | BLUESEAS ENTERPRISE COMPANY LIMITED | Daniil Korzh |
In-app purchases
Smart SynX
No in-app purchases
Rule 20
No in-app purchases









