Comparison

Zepp vs Lotus Smartime S1

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Zepp

Track your training, nutrition, and vital health metrics with this comprehensive health and fitness platform. It offers AI-powered coaching, detailed sleep analysis, and heart health monitoring. Customize your wearable device with updates and new watch faces.

Highlights
  • Nutrition tracking with photo analysis
  • Detailed health metrics (heart rate, sleep, stress)
  • Advanced training data and recovery insights
  • Sleep monitoring with recovery analysis
  • Heart health data aggregation
  • Wearable device customization and updates
Features
Read full description

The official app for Amazfit, the Zepp app is free to use and trusted by top athletes such as running back Derrick Henry and sprinter Gabby Thomas. Built for sports and performance, it’s where you’ll track your training, health and recovery data, log your nutrition, and get easy-to-understand scores with AI-powered coaching and guidance — all protected with the highest level of data security. TRACK MACROS: Snap a photo of your meal and instantly get calories, weight, and macronutrients. No watch required, just the Zepp App. Perfect for athletes balancing training with strict diets. Log as many meals as you want with no limits, or enter them manually if that’s easier. HEALTH & FITNESS DATA: Vital health metrics like heart rate, sleep, stress, and blood oxygen, the Zepp App tracks your fitness progress in detail. It captures daily activity such as steps and calories burned, and advanced training data like pace, distance, speed, strength logs, and recovery insights. SLEEP MONITORING: The Zepp App monitors sleep with precision sensors and syncs the data to the Zepp App for full recovery analysis. You'll find detailed metrics on stages, duration, breathing, and recovery quality so you know if your body is ready to train hard or needs more rest to perform at its best. HEART HEALTH: See all your essential heart health data in one place. Track heart rate, HRV, and resting heart rate (RHR), and manually add blood pressure and blood glucose from external devices for a complete view of the most important muscle in your body. CUSTOMIZE YOUR WATCH: The Zepp App is where you’ll find software updates for your Amazfit smartwatch, band, or ring. It also gives you access to the Zepp Store, with hundreds of downloadable mini apps and watch faces to choose from. DATA SECURITY: The Zepp App delivers the highest level of data security, keeping your information safe and private. Safeguarded by Amazon Web Services (AWS), all data is regionally stored, encrypted, fully GDPR compliant, and never sold. FREE TO USE: The core experience of the Zepp App is free. You won't need to pay to view data tracked by your Amazfit device, upgrade software, or import maps. You'll also get free access to a core version of Zepp Aura, your very own wellness coach. For personalized wellness advice powered by AI, Zepp Aura Premium Subscription is available for a monthly or yearly fee, but there's no obligation to sign up. ZEPP AURA PREMIUM: Unlocking unlimited access to Zepp Aura will provide in-depth health assessments, a personal wellness assistant, sleep music and more (region specific). - Available in: Most countries and regions - Subscription Plans: Monthly or yearly options - Subscriptions are confirmed via your Google account and renew automatically unless canceled at least 24 hours in advance. Any unused portion of a free trial is forfeited once a purchase is made. - Details: https://upload-cdn.zepp.com/tposts/5845154 PERMISSIONS: The following optional permissions can enhance your experience but are not required: - Location Access: Used for automatically tracking running or cycling routes, and to show local weather - Storage: Used to import or export workout data, as well as save workout photos - Phone, Contacts, SMS, Call Logs: Used to display calls/notifications/texts on your watch and enable call reminders - Physical Activity: Used to synchronize step counts and workout information - Camera: Used for taking pictures and scanning QR codes to pair your devices - Calendar: Sync and manage schedules - Nearby Devices: Used to discover and connect to smart devices through bluetooth DISCLAIMER: Zepp is not a medical device and is intended for general fitness and health management purposes only

About

Lotus Smartime S1

Connect your Lotus smartwatch to manage messages, calls, and health metrics like heart rate and sleep. Track various sports activities, monitor calories, and customize watch faces. Control music, camera, and notifications remotely.

Highlights
  • Message and call management
  • Heart rate monitoring
  • Sleep pattern tracking
  • Activity tracking (hiking, running, cycling)
  • Calorie and distance monitoring
  • Watch face customization
  • Music and camera remote control
Read full description

Set your Lotus smart watch up and connect to the world of Lotus SmarTime through the functional and easy-to-use app, which has been designed to help you get the most from your new Lotus SmarTime watch. The intuitive app design makes controlling your messages and calls through your watch even easier. Other health related functions include a heart rate monitor (which keeps track of your heart rate during exercise), a sleep pattern monitor as well as reminders to drink water and to get up and move around. Sport plays an important role here too, as the system can track different kinds of activity, such as hiking, running, cycling or football and can also monitor calories, measure the distance covered and record the time spent doing a particular activity. Lotus SmarTime offers dial customization, allowing the user to choose between different watch faces. All models have a full touch display, giving easy access and flexibility when moving between other functions, which also include music and camera remote control, notification control and “Find my phone” options. The SmarTime app can share you activity data with Apple's Health app.

Screenshots

Zepp4 screens
Lotus Smartime S14 screens

Verdict

The call

The clearest difference is review sentiment: Zepp at 47% against Lotus Smartime S1's 0%. Zepp also leads on update cadence (weekly vs every 4 months) and chart position (#210 vs unranked). Lotus Smartime S1's advantage is in-app purchases (none vs 10) and iOS requirement (10.0 vs 15.0). On price, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Zepp sells 9 in-app purchases, starting at $3.99 per month. Lotus Smartime S1 asks for nothing beyond the download.

UpkeepUpdate frequency

Zepp ships an update weekly, Lotus Smartime S1 every 4 months. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 5 level
Zepp versus Lotus Smartime S1: the parameters behind the verdict, then further details
ParameterZeppLotus Smartime S1
PriceFreeFree
Rating4.6 (83K ratings) — better—
Positive reviews46.5% of reviews — better0.0% of reviews
Number of ratings83K — better—
Update frequencyWeekly — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
Best chart rank#210 — better—
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.010.0 — better
Further details — not scored
Size492 MB204 MB
Age rating4+4+
DeveloperZepp Inc.Festina Lotus SA

Customer experience

Zepp

All ratings82,986 ratings
Positive90.4%
Neutral4.5%
Negative5.1%
Written reviews2,864 reviews
Positive46.5%
Neutral15.9%
Negative37.6%

Lotus Smartime S1

Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

Zepp

Reported bugs

3 issues
  • App crashes after recent updates
  • Inaccurate heart rate and activity tracking
  • Syncing issues leading to data loss

Requested features

4 requests
  • Add more watch face customization options
  • Integrate with more third-party apps (e.g. Strava, Apple Health)
  • Improve notification handling and customization
  • Add water sports tracking mode

Lotus Smartime S1

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

Zepp

Subscriptions6
  • Zepp Fitness - monthly7 Days trial$3.991 Month
  • Monthly, 7-Day Free Trial7 Days trial$9.991 Month
  • Yearly, 14 Day Free Trial14 Days trial$29.991 Year
Show 3 more
  • Yearly Plan, 14-Day Free Trial14 Days trial$34.991 Year
  • Yearly Plan, 14-Day Free Trial14 Days trial2 variants$39.991 Year
  • Yearly Plan, 14-Day Free Trial14 Days trial$49.991 Year
One-time3
  • watchface$0.99
  • watchface$1.99
  • watchface$2.99
None

Lotus Smartime S1

No in-app purchases

Questions

Is Zepp free?
Zepp is free to download, with in-app purchases available.
Is Lotus Smartime S1 free?
Lotus Smartime S1 is free to download, with no in-app purchases.
Do Zepp or Lotus Smartime S1 have ads?
Neither Zepp nor Lotus Smartime S1 shows ads.
Which is updated more often, Zepp or Lotus Smartime S1?
Zepp ships an update weekly, and Lotus Smartime S1 every 4 months. Most recently, Zepp was updated on November 4, 2026 and Lotus Smartime S1 on November 3, 2026.

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