ZRun vs GravaStar Sirius
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZRun
This app syncs with a smartwatch to display your health data, including steps, distance, and calories burned. It also tracks sleep quality and provides notifications for calls and messages. The application integrates with Apple Health for comprehensive health management.
- Step, distance, and calorie tracking
- Sleep quality monitoring
- Call and message notifications
- Apple Health integration
- Syncs with smartwatch
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ZRun 应用程序与我们的手表产品配合使用，为您提供最佳信息，该应用程序将您的健康信息从手表传输到App。 内置计步器可跟踪您的步数、距离和卡路里消耗。 内置睡眠监测器可跟踪您的睡眠质量。 当您收到来电或消息时，我们的智能手表也会通知您。 应用程序集成了 Apple Health。
GravaStar Sirius
This app allows users to customize audio settings, manage noise cancellation, and connect their earbuds. It also provides firmware updates and real-time battery monitoring for a seamless user experience.
- Customizable equalizer settings
- Adaptive noise cancellation
- Voice assistant integration
- Real-time battery monitoring
- Firmware updates
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1. Customizable Settings: Users can tailor audio effects and operational features to match their preferences. For example, they can personalize equalizer settings for different music styles or assign specific functions to earbud buttons for seamless control. 2. Intelligent Features: The app introduces smart functionalities, such as adaptive noise cancellation that automatically optimizes based on the environment, and voice assistant integration for hands-free control of playback and other commands, making operation more convenient. 3. Effortless Connectivity: Simplifies pairing and connecting earbuds, streamlining the setup process. The app also provides real-time battery level monitoring for both the earbuds and the charging case, ensuring timely recharging reminders. 4. Firmware Updates: Supports quick and easy firmware upgrades, enabling users to enhance performance, resolve issues, and access new features through the app.
Screenshots
Verdict
The clearest difference is update cadence: ZRun at weekly against GravaStar Sirius's every 2 months. ZRun also leads on rating (3.1 vs 2.7) and review sentiment (35% vs 15%). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
ZRun holds the better App Store score, 3.1 against 2.7. That said, the two scores are not equally well evidenced: ZRun has 411 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 35% of ZRun's written reviews are positive against 15% of GravaStar Sirius's.
ZRun ships an update weekly, GravaStar Sirius every 2 months. Both last shipped on October 28, 2026.
| Parameter | ZRun | GravaStar Sirius |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (411 ratings) — better | 2.7 (15 ratings) |
| Positive reviews | 35.4% of reviews — better | 15.4% of reviews |
| Number of ratings | 411 — better | 15 |
| Update frequency | Weekly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 232 MB | 71 MB |
| Age rating | 4+ | 4+ |
| Developer | 深圳子俊科技有限公司 | zhuoye chuangyi Co., ltd |
Customer experience
ZRun
GravaStar Sirius
In-app purchases
ZRun
No in-app purchases
GravaStar Sirius
No in-app purchases
