ZRun vs SIMSON CASE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZRun
This app syncs with a compatible smartwatch to track your daily activity, including steps, distance, and calories burned. It also monitors your sleep patterns and provides notifications for incoming calls and messages. The application integrates with Apple Health for a comprehensive view of your well-being.
- Step, distance, and calorie tracking
- Sleep quality monitoring
- Call and message notifications
- Apple Health integration
- Syncs with smartwatch products
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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。
SIMSON CASE
Connect your phone case to customize dynamic watch faces. Design unique animated watch faces to express your style.
- Connect phone case
- DIY dynamic watch faces
- Customize animated designs
- Personalize watch face style
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与手机壳连接，可diy各种动态表盘。
Screenshots
Verdict
The clearest difference is rating: ZRun at 3.1 against SIMSON CASE's 2.1. ZRun also leads on ratings volume (406 vs 7) and review sentiment (36% vs 25%). On price, update cadence, ads and in-app purchases 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 2.1. That said, the two scores are not equally well evidenced: ZRun has 406 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 36% of ZRun's written reviews are positive against 25% of SIMSON CASE's.
Both ship on a similar rhythm, roughly weekly. Both last shipped on October 30, 2026.
| Parameter | ZRun | SIMSON CASE |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (406 ratings) — better | 2.1 (7 ratings) |
| Positive reviews | 35.7% of reviews — better | 25.0% of reviews |
| Number of ratings | 406 — better | 7 |
| Update frequency | Weekly | Weekly |
| 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 | 228 MB |
| Age rating | 4+ | 4+ |
| Developer | 深圳子俊科技有限公司 | Shenzhen United Power Technology Co., Ltd. |
Customer experience
ZRun
SIMSON CASE
In-app purchases
ZRun
No in-app purchases
SIMSON CASE
No in-app purchases
