Limit Smart vs ZDRing
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Limit Smart
This app helps you monitor your health and fitness activities. It tracks steps, calories, sleep, and heart rate, while also offering sports tracking and customizable watch faces. It syncs data with Apple Health for a comprehensive overview.
- Step and calorie tracking
- Sleep analysis
- Heart rate monitoring
- Sports activity tracking
- Syncs with Apple Health
- Customizable watch dials
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Limit Smart - Your health planning and sports partner Why use Limit Smart? 1.Pedometer: Count your steps, calories, active time & distance. Also supports syncing your data to Apple Health (Health Fit). 2.Sleep Tracker: Record and analyse your sleep. 3.Notifications: Never miss notifications from your phone. The app will display SMS and call records and push them to the watch. 4.Heart Rate: Measure your heart rate and save your data. 5.Sports Tracking: Monitor your sports data and keep track of your progress. 6.Daily tracker: Record your daily exercise. 7.70+ Watch Dials: Choose from a wide selection of Smart Watch dials. {Disclaimer} Information provided by the Limit Smart app is a guide only and should only be used as a reference. Limit smart watches are not medical devices and users should consult a doctor if they are suffering any serious health issues.
ZDRing
This app works with smart rings to monitor your sports performance in real time. It tracks steps, distance, calories burned, and sleep quality, integrating with Apple Health.
- Real-time sports performance monitoring
- Step, distance, and calorie tracking
- Sleep quality monitoring
- Apple Health integration
- Works with smart rings
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这款应用程序与我们的智能戒指配合使用，可直接从您的手指获取最佳信息。 我们的智能戒指可实时监测您的运动表现 这款应用程序与 Apple Health App 集成。 内置计步器可追踪您的步数、距离和卡路里消耗。 内置睡眠监测器可追踪您的睡眠质量。 This app works with our smart rings to get the best information straight from your finger. Our smart rings monitor your sports performance in real time This app integrates with the Apple Health App. Built-in pedometer tracks your steps, distance and calories burned. Built-in sleep monitor tracks your sleep quality.
Screenshots
Verdict
The clearest difference is rating: ZDRing at 5.0 against Limit Smart's 2.0. Limit Smart's advantage is iOS requirement (13.0 vs 15.0). On price, ratings volume, update cadence 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. Neither carries in-app purchases, so what you see is what you pay.
ZDRing holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on August 22, 2026 and September 2, 2026 respectively.
| Parameter | Limit Smart | ZDRing |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 57.1% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 226 MB | 287 MB |
| Age rating | 4+ | 4+ |
| Developer | Time Products Ltd | Shenzhen Zhongdong Technology Co., Ltd. |
Customer experience
Limit Smart
ZDRing
In-app purchases
Limit Smart
No in-app purchases
ZDRing
No in-app purchases
