Precision Slim vs JSRing
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Precision Slim
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Working with your health care practitioner, the Precision Slim App provides you access to a customized health and wellness plan and enables you to keep track of everything you need to follow the lifestyle recommendations your practitioner has designed specifically for you. The app allows you to share your progress - your healthier food choices and activities, when and how often you are taking supplements, how much water you are drinking, how well you are sleeping, and so on - with your practitioner and gives them a way to make changes and recommendations for you. This accountability helps create the new habits and behaviors that lead to better health. The app includes valuable resources and smart features to help improve your results: • Set and monitor personal health goals together with your practitioner or health coach. • Track food choices, exercise, sleep quality, stress-reducing activities, nutritional supplements, moods, pain, and more. • Lifestyle plans and educational information, including the nutritional value of foods, meal plans, recipes, and videos. • Nutritional supplement scheduling – so you know what to take and when to take it. • Electronic journal for keeping track of key health changes or reflections. • Automated reminders – so you never have to worry about forgetting anything again! • We've integrated with Apple Health so that you can automatically import your steps, sleep, blood pressure and other data from your favorite health and fitness tracking devices right into the app. In addition, the app gives you a direct connection to your health practitioner or coach who can monitor your progress in real-time and give the ongoing support you need to get healthier and feel better. The Precision Slim App is only available through your healthcare practitioner.
JSRing
This app records your steps and tracks sleep quality, offering reliable exercise guidance. It acts as a personal exercise manager and connects multiple smart wearable rings.
- Step recording
- Sleep quality tracking
- Exercise guidance
- Personal exercise manager
- Connect multiple rings
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JSRing is an application for data and services of smart wearable devices. Being able to constantly record your steps and track your sleep quality. To provide you with reliable exercise guidance and create a caring personal exercise manager. JSRing is a platform that can connect multiple rings with different names. If there are any problems during use, you can use the help in the settings to find the answer. If the issue still cannot be resolved, please explain the problem in the comment section and provide your ring name and firmware version. Thanks.
Screenshots
Verdict
Precision Slim and JSRing are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Precision Slim ships an update every 4 weeks, JSRing every 3 weeks. The most recent releases landed on September 15, 2026 and October 2, 2026 respectively.
| Parameter | Precision Slim | JSRing |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.4 (125 ratings) — better |
| Positive reviews | — | 25.3% of reviews |
| Number of ratings | — | 125 — better |
| Update frequency | Every 4 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 57 MB | 133 MB |
| Age rating | 17+ | 4+ |
| Developer | MB 360, LLC | Shenzhen Jerboss IOT Technology Co., Ltd. |
Bugs and requests
Precision Slim
Not enough reviews yet to summarise bugs or requests.
JSRing
Reported bugs
4 issues- App crashes on launch
- Inaccurate health data
- Unable to reconnect ring after disconnection
- Charging issues
Requested features
4 requests- Integration with Apple Health
- Ability to disable irrelevant features
- More detailed sleep tracking
- Improved Bluetooth connectivity
In-app purchases
Precision Slim
No in-app purchases
JSRing
No in-app purchases









