Top on our list of the best budget smart watches under £100 in UK are: Amazfit BIP 6, Redmi Watch 5 and CMF Pro 2 (see below for more options). These watches offer value for money, smooth user interface and many features. Whether you are looking for a smart watch for health & fitness tracking, to stay connected on during your daily running sessions or just for style; you will find a suitable budget smart watch in our list of top budget smart watches under £100. Read on to find out which smart watch may be suitable for you!
BUDGET Smart watches under £100 in UK – QUICK LIST!

Amazfit BIP 6
Amazfit BIP 6 is latest in the Amazfit BIP series. It features sleek aluminum body and sharp AMOLED display. It has built-in GPS with improved GPS tracking and Free maps. Other features include: AI-driven workout plans, Bluetooth calling, Health & fitness tracking and sleep monitoring. Full Details Below.

Amazfit Active 2
Running on Zepp OS, it is compatible with both IOS and Android. It offers 1.32″ AMOLED display with long battery life lasting up to 10 days. It provides AI driven health coaching and much more. See full details below.

Redmi Watch 5
Redmi watch 5 offers large 2.07″ sharp AMOLED display with ultrathin bezel. It offers long battery life with improved health & fitness tracking compared to older Redmi models. Read the full details below.

Google Fitbit Inspire 3
This low cost fitness tracker offers value for money. It has bright AMOLED display and long battery life. Fitbit inspire 3 is compatible with both IOS and Android. Some of the features include: 24/7 heart rate monitoring, skin temperature, reminder to move if you have been sitting down for too long, 20 exercise modes with smart tracking and sleep monitoring. See full details below.

CMF Pro 2 Watch
CMF Pro 2 watch offers reliable health and fitness tracking, Bluetooth calling with AI noise reduction and much more. This low cost watch offers value for money and smooth user interface. Read the full details below.

Amazfit BIP 5
Eventhough Amazfit has released newer model of this watch, Amazfit BIP 5 still remains a good choice. It offers similar features to Amazfit BIP 6 but cost significantly less than the newer model. However, unlike the BIP 6, it comes with LCD display instead of AMOLED and has a durable plastic body instead of aluminum. See full details below.

Redmi Watch 4
Redmi watch 4 remains a good choice if you are looking for a reliable low cost smart watch which offers basic features and looks stylish. It is a cheaper alternative to Redmi watch 5. See full details below.
Amazfit BIP 6 BUDGET SMART WATCH UNDER 100

Buy this watch if:
- you are looking for budget smart watch with sharp display
- free downloadable maps
- improved heart rate, oxygen saturation and sleep monitoring
Do NOT buy this watch if:
- you are looking for nfc payments
- looking for app store like Wear OS or Apple
Check Price at Amazon from the official retailer
Amazfit BIP 6 is the newest addition to the Amazfit BIP series. It features an upgrade display, a more durable design, improved GPS tracking and better health & activity tracking compared to the previous model. Amazfit BIP 6 has aluminum body with sharp 1.97″ AMOLED display and long battery life lasting up to 14 days. It offers improved heart rate, sleep and oxygen monitoring – thanks to its upgraded PPG sensor. If offers free downloadable maps and accurate GPS tracking via 5 satellite positioning systems. It has over 140 sport modes and can auto-track up to 25 different exercises.
I found user interface smooth and easy to navigate. The setting up process was easy and straight forward. The watch uses Zepp app which is available on App store and Google play store. The Zepp app has plenty of data available form smart watch to view. It also offers ability to load additional apps to the smart watch. The app selection is not great and no way near Wear OS or Apple. However, at this price point it is still a big plus. The battery life is reasonable. I was heavily using the watch during the testing process to check its features. However, with average daily use, the battery should last around a week. The display is very sharp, clear and very easy to read, even in the bright sunlight. It also has auto-brightness option, a features which is absent in many low cost smart watches.
Amazfit Active 2 Budget Friendly smart watch for fitness tracking

Buy Amazfit Active 2 Budget smart watch if:
- reliable health & fitness tracking with real-time monitoring of heartrate, sleep quality etc
- AI fitness coach
- AI assisted message replies directly from your watch (works with Android phones only)
DO NOT buy Amazfit Active 2 if:
- you are looking for NFC payment (can buy NFC model which costs extra)
- you are looking for wide selection of apps similar to WearOS and Apple
Specifications:
OS: Zepp OS Compatibility: IOS and Android
Style: Round body Water Resistance: 5 ATM
GPS: Yes WiFi: No Bluetooth: Yes NFC: Extra cost
Watch faces: 400+ Workout modes: 160+

Amazfit Active 2 features round stainless steel body with 1.32″ sharp AMOLED display. It has two buttons on the side for apps and workouts.
Amazfit Active 2 budget smart watch has over 160 workout modes with auto detection for over 25 exercise types. The data is synced with Zepp app via Bluetooth where you can easily analyse your performance after the workouts. It also provided AI-generated workout plans that are adjusted based on your performance and recovery during the workouts. The data can be synced to third party apps such as Starva, Google Fit and Apple health.

The setting up process is straightforward and simple. The watch is compatible with both IOS and Android phones. It uses Zepp app for connection with your smart phone. You can download the app from App store or Google play store. The battery life is pretty impressive. I found on light use battery can last up to 10 days while on heavy use it lasts for 4-5 days. Continuous use of GPS drained battery faster. Overall, this low cost smart watch is a good option, especially if you are looking for a budget-friendly smart watch for fitness tracking.
REDMI WATCH 5
Buy Redmi Watch 5 if:
- you are looking for low cost smart watch for health & fitness tracking or everyday use
- looking for reliable GPS tracking
Reasons not to buy:
- No NFC or WiFi
- Limited widgets
OS: Hyper OS Compatibility: IOS and Android
App: Mi Fitness
Style: Square body Water Resistance: 5 ATM
GPS: Yes WiFi: No Bluetooth: Yes NFC: No
Watch faces: 200+ Workout modes: 150+
Redmi watch 5 is newest in the Redmi watch series. It also comes in Active and Lite models which are cheaper alternatives for Redmi watch 5 and offer less features. Redmi watch 5 costs a bit more compared to Active and Lite models but offers extra features such as large 2.07″ screen with ultra thin bezel, long battery life of up to 24 days, improved GPS tracking and more reliable heartrate & sleep monitoring. It features stainless-steel rotating crown for more premium look which is not present in active and light models. Containing two mics its offers improved Bluetooth call quality.
The user interface is smooth and responsive, the call quality is good and the watch is easy to use. The watch sends plenty of data to Mi fitness app to analyse after workouts. Overall, Redmi watch 5 is a good buy.
Google Fitbit Inspire 3 Low cost fitness tracker

Fitbit inspire 3 is a good inexpensive fitness tracker which is easy to setup and use. It offers up to 10 days of battery life. The battery life does depend on usage – on an average the battery last from 7-10 days. The tracker is comfortable to wear and comes in many different colours. This budget fitness tracker is compatible with both IOS and Android phones. Some of the feature include: all day heart rate & activity monitoring and daily readiness score. It has over 20 exercise modes and automatic exercise tracking with reminders to move. Overall, Inspire 3 is a good and reliable fitness tracker. If you are looking for a low cost fitness tracker to stay on top of your daily health habits without the distraction of smart watch then we do recommend buying this fitness tracker.
CMF Pro 2 Watch LOW COST SMART WATCH
Buy CMF Pro 2 watch if you are looking for:
- Always on display option
- Bright AMOLED display with auto-brightness
- Built-in GPS
- Bluetooth calling with AI noise reduction
- Have small wrist size
Buy at Amazon: CMF Watch Pro 2
Do NOT buy CMF Pro 2 watch if you are looking for:
- Auto tracking for exercise
- Built-in wifi or NFS
Next on the list of budgets smart watches under £100, we have CMF watch Pro 2. This quality budget smart watch is packed with features. It has premium looking round watch body made up of aluminum alloy making it light weight and durable. The rubber straps can be easily removed and replaced. The watch felt lightweight, comfortable and didn’t leave any marks on my wrist. The AMOLED screen is bright, sharp and very responsive. It also features auto-brightness option which is quite handy when on a walk or jog outdoors, especially on sunny days. The brightness automatically adjusts depending on lighting conditions.
When it comes to health tracking, CMF Pro 2 also offers 24 hour heart rate monitoring, oxygen levels monitoring, stress tracking, and sleep tracking. The heart rate tracking is quite accurate when compared with Samsung Galaxy watch 5 and pulse oximeter.
The watch can tracking up to 100 different workouts and offers auto tracking for some of the exercises such as walking, running and cycling. The auto tracking feature is a bit laggy so I recommend to manually start the tracking every time you start an exercise.
The batter life depends on how much you are using the watch and which features you are using the most. On moderate use with 24 hours heart rate monitoring and regular exercise tracking the battery will last for 4-6 days.
Buy at Amazon: CMF Watch Pro 2
You can read the full review of CMF Pro 2 watch here!
Amazfit Bip 5 INEXPENSIVE smart watch
If you are looking for a smart watch which offers premium features and costs less than a hundred pounds, then the top choice is Amazfit BIP 5. If offers bright AMOLED display, long battery life, built-in GPS, Bluetooth calling and many others features.
Buy Amazfit Bip 5 if you are looking for:
- Large and bright AMOLED display
- Bluetooth calling
- Built-in GPS
- Basic health tracking features
Do NOT buy Amazfit Bip 5 if :
- You have small wrist size
- Looking for advanced health tracking with blood pressure monitoring
- Want to make NFC payments with a smart watch
- Want to use a smart watch independently of a smart phone at times

Amazfit BIP 5 offers many reliable features at a low price. The watch has large 1.91″ AMOLED display with curved glass. The watch is very light weight and I hardly felt it when I was wearing it. The watch body is made of durable plastic, with removable rubber straps. Amazfit Bip 5 comes with built-in GPS which is quite handy as it does not rely on phones GPS for route tracking. The watch supports tracking for over 120 sport modes. It also offers Bluetooth calling and the call quality is quite good. It is compatible with Android and IOS, and connects via Zepp app. I found the user interface very smooth and responsive.

Unlike the Xiaomi Redmi watch series which do not support installing of additional app – the Amazfit BIP 5 do support mini-app including games like tic-tac-toe. However, it lacks NFC and do not support direct payments using the watch. It also does not have auto brightness feature.
Xiaomi Redmi Watch 4 cheap smart watch
Buy it if you are looking for:
- Bluetooth calling
- Built-in GPS
- Premium looking watch at low cost
- Health Tracking
- Large and sharp AMOLED display
Buy at Amazon: Redmi Watch 4
Do not buy if you are looking for:
- NFC payments
- Built-in Wifi
- Advanced health tracking
- Have small wrist size
The next on the list of smart watches which cost less than £100 is, Redmi watch 4. This watch offers large AMOLED display with always on display and auto brightness options. It also offers Bluetooth calling and built in GPS along with other features. The interface is very similar to Redmi watch 5 active and Redmi watch 5 lite. The Redmi watch 4 costs a little more compared to these two watches but offers a more premium look. Unlike Redmi watch 5 active and lite where the watch body is make of plastic with metal coating, the Redmi watch 4’s body is made of aluminum, providing it more sturdy look. The screen offers up to 600 nits brightness with 60hz refresh rate. It also has stainless steel rotating crown instead of a button on the side. The watch straps are replaceable with quick release button.
Redmi watch 4 offers similar health tracking features including heart rate monitoring, stress monitoring, sleep tracking and blood oxygen saturation monitoring. I found the heart rate monitoring feature quite accurate when compared with Apple watch. I also found the sleep tracking feature quite useful. It fairly accurately tracked the numbers of hours of sleep I had. This features tacks amount of deep sleep, light sleep and REM sleep.
The watch connects to phone via Mi Fitness app. The connection process if fairly straight forward. I was able to set up and connect the watch with my iPhone in no time. I didn’t expect any connectivity issues, apart from couple of times when I turned the Bluetooth off on my phone.

The watch comes with Built-in GPS for route tracking, so it does not rely on your smart phones GPS for tracking and supports over 150 workout types. It also offers 200+ smart faces which you can load to the watch via Mi Fitness app. The Redmi watch 4 has 5ATM water resistant.

Redmi watch 4 also has built-in mic and speaker to make and receive phone calls. I found the call quality to be pretty impressive. The voice was very clear even when my phone was 8-10 meters away from my watch. Only downside is that it does not offers NFC payments option and there is no ability to add third party app the the watch.
Redmi watch also comes as Redmi watch 5 active version which is cheaper alternative for Redmi watch 4. Additionally, Redmi has also released Redmi watch 5 lite version which is premium looking and offers AMOLED display, which is not offered on Redmi watch 5 active version. Even though all three watches run on Xiaomi’s HyperOS and user interface is similar in all three watches, the Redmi watch 4 is the winner of these three due to premium look, metal watch body and higher screen resolution.
Buy at Amazon: Redmi Watch 4
How Do We Make The Recommendations for watches under £100 in UK?
I have tested budget smart watches priced between £50 to £100 to find the best smart watches under £100. I used the watches form couple of week to a month to test their features, user interface, accuracy and more. When it comes to budget smart watches under £100, there are many makes and models to choose from. Many of the smart watches under £100 only provide basic features and do not offer value for money. Many of the watches lack features such as AMOLED display, built-in GPS etc. I have hand picked the best smart watches under £100 to help you find the most suitable smart watch for you. When going through the list of our smart watches I want you to know that there is no one smart watch under £100 which is best for everything, it all depends features you value most in a smart watch. For example, some users may be looking for a smart watch just for style or for monitoring their health & fitness. Some may be looking for a smart watch to track their running sessions. Therefore, in this articles we have included a selection of smart watches which we believe offer value for money and cost less than £100. So, we believe there is a suitable smart watch for every budget smart watch buyer in our list of top smart watches under £100.
How I tested the smart watches?
I have used each watch for at least a week to a month to check how good the smart watch works. When testing the smart watches specifically assessed:
- the user interface to see how smooth & responsive it is
- battery life to assess weather it reflects what manufactures claim it to be
- accuracy of activity tracking and health monitoring
- design and comfort
- features offered by the smart watch
- ease of use and connection with a smart phone
In addition, to the list above, I also looked at its compatibility with different smart phones, features available in the smart phone app, weather the watch has built in GPS and calling features etc
If you are looking for best smart watches under £50 available to buy in UK, read the article here.