Blynk IoT

1. Main Feature: App building without coding using just widgets and linking devices to the your computers and mobiles.
2. Boards: Arduino, Blynk board, Raspberry pi, Beaglebone black, Bluepill, Teensy, ESP32, ESP8266
3. Pricing: Ranges from free to business model with $599 per month.
4. Scale: They claim to be available for big and small projects. Industrial and business scale products are also included.
5. Reviews: Most of the reviews though are from large companies. Reviews claim that they have a very good response time and customers have no complaints with them(taken with a pinch of salt as customer reviews are from their website.)
6. Pros: Very clear and easy to use user interface and great user experience.Integrates software and hardware into a simple interfaceGreat compatibility with various toolsYoutube tutorials availableEasy to navigate through their setupDocumentation availableSupportive online communityCustomer support is amazingSimultaneous multiple device connection
7. Cons: Often disconnecting ServerThe widgets for the web dashboard are not customizable with the toggle switch having a minimum maximum option for it toggle which needs to be given a boolean input. Useless for devices that use a not gate.No more development on current platformLarge data can not be exported from Blynk.

Particle

1. Main Feature: Particle is a software and hardware solution provider. You can develop apps to suit your own project or get already designed projects for your home or office such as a weather station, smart home and smart locks.
2. Boards: Particle boards.
3. Pricing: The pricing ranges from free of cost to $299 per month per block. They also have customized billing for larger businesses.
4. Scale: It ranges from small scale products to large scale commercial applications.
5. Reviews: Good and reliable.
6. Pros: Particle has a friendly interfaceIt supports multiple devices wit different IoT featuresParticle can handle a large number of devices at once.
7. Cons: It is a little complex to use.It is heavily dependent on its cloud platform which results in less data privacy.Less tools and customizationIt limits the user in the hardware that they can use to design their solutions.

Sateliot

1. Main Feature: Sateliot provides global IoT connectivity even in remote locations using lower earth orbit satellites. Its main purpose is to improve connectivity for various IoT platforms.
2. Boards: Arduino MKR WAN, Raspberry Pi with LoRaWAN concentrator, Pycom LoPy4 and FiPy board. Essentially boards that support LoRaWAN.
3. Pricing: Early adopters and a free trial available. Pricing subject to specific needs.
4. Scale: It is focused on projects in hard to reach locations with low connectivity so it mostly supports large scale projects although it can support small scale projects too.
5. Reviews: Due to the company being relatively new, it does not have a lot of customer reviews yet. Some that do say that it is a very innovative approach to solving problems for IoT.
6. Pros: The idea of the company is very innovative.It has access to a lot of real time data.There is global connectivity and due to satellites, the coverage of all the IoT devices is continuous even in remote and hard to reach areas.
7. Cons: Since its a new platform, the customer reviews are almost non existent.The boards it supports are very less and of a specific type.There is some latency as the communication is using LEO satellites.Using the interface is a little tough and no tutorials available as such.

Hologram

1. Main Feature: It enables IoT devices to connect with each other over cellular internet and communicate freely.
2. Boards: Arduino, Raspberry Pi, Particle, Beaglebone, Pycom, Mbed, Adafruit and Tessel
3. Pricing: It’s pricing differs according to the chosen location. USA, Canada, Australia and Europe are some of the given locations with specific pricing. There is also an international pricing standard. USA pricing goes from $15.7 to $60.45, depending on the data used. International pricing for the same packages is exponentially larger with the price ranging from $43.20 to $280.45.
4. Scale: Prototypes to large scale industries. Examples are smart agriculture and industrial automation.
5. Reviews: Hologram is user friendly and extremely easy to use with connectivity even in the remotest of areas. Even the security features are top notch. The only problem someone faced was occasional connectivity issues.
6. Pros: Easy to use and easy to set up with a user friendly set upHelps in real time data visualization and offers a range of tools to manage and monitor IoT devices.Two factor authentication and end to end encryption for safety.
7. Cons:
8. Connectivity issues in certain areas with weak cellular network.Due to the price structure of hologram, it is costly for users with high data usage.Not suitable for all cases, as is dependent on cellular connectionPlatform's data can be difficult to understand.Requires a sim and payment to design any online application and link it to a device.

ThingWorx

1. Main Feature: Has a wide range of applications such as visual development tools, real time analytics and connectivity options.
2. Boards: Arduino, Raspberry pi, BeagleBone, Particle Photon and Intel Edison
3. Pricing: There is a free trial available for the platform. You can ask for the price from their customer support. The price will differ according to the devices and amount of data being handled. It is more expensive then the usual platform and the pricing is not available on their public page.
4. Scale: Supports small Business  as well as large scale industrial projects such as a smart city and healthcare too.
5. Reviews: Very versatile platform for IoT development. It has a robust set of tools and features that help in creating IoT applications. It can also handle large amounts of data with ease. It has issues when integrating with third party applications.
6. **Pros:**Versatile and allows a large range of devices and sensors to be connected to it.Can handle large volumes of data with easeSupportive community helps in documentation and tutorials making it easy to use
7. Cons:
8. Very expensive as compared to other platforms.Integrating with third party systems is a little tough.Does not allow real time monitoring.Non friendly user interface and no documentation for small projects such as internet switches.

ThingsBoard

1. Main Feature: It is an open source IoT platform that helps in data processing, collection and visualization.
2. Boards: Arduino, Raspberry Pi, BeagleBone, ESP32 and ESP8266
3. Pricing: There is a free to use trial version and a small makers version with $10 per month with up to 30 devices and 10 million data points. A business version for $749 per month has the capability to allow 1000 device connections and 1 billion data points per month as well as a lot of other perks.
4. Scale: It can support thousands of IoT devices so the projects can be small scale or large scale industrial ones too.
5. Reviews: It is an open source software so is customizable, especially because of the wide range of widgets available. It is a powerful and flexible platform that offers robustness and scalability.
6. **Pros:**It is an open source platform so is free to use and customizableAllows large amounts of data to be handled and large number of devices too.Data encryption done so is very secure.
7. Cons:
8. Technical expertise is required to set up and configure the platformVery small community to ask for assistance from.User interface complicated.It is a solutions provider with no web or mobile dashboard.

Golioth.io

1. Main Feature: It is a cloud based platform that allows connectivity of devices and applications by providing them with a cloud to operate on.
2. Boards: Arduino, Raspberry Pi, Particle, ESP32 and STM32
3. Pricing: There is a free dev package which allows connections for 50 devices. There is also a $10 per device cost and customizable pricing according to the customers needs.
4. Scale: Supports small scale projects as well as large scale industries too.
5. Reviews: It has an intuitive user interface, great security features and great scalability. It provides a great range of features but the pricing is a bit high for some users. It is a bit limited in terms of customization.
6. **Pros:**It offers a range of integrable third party devices.Advanced security features such as end to end encryption.It has pay as you go pricing.Highly scalable as it can handle large amount of devices.
7. Cons:
8. It has limited customization and may not be suitable for highly niche cases.Some hardware boards are not supported.No online tutorials on small projects available.Does not support commonly used boards such as ESP8266.

Grandeur

1. Main Feature: Is an IoT platform that provides developers with a cloud to connect their applications too and store data on.
2. Boards: Arduino, Raspberry Pi, Sparkfun(beta) and Espressif
3. Pricing: There is a free version where 100 devices can be registered and 50 MB of data can be stored. Then we have a starter version for $25 per month with unlimited devices that can be registered and 1 GB data that can be stored. The last is a customizable plan for businesses in which they can pay as they grow. It supports unlimited devices and the data stored is customizable with the price $0.50 per GB.
4. Scale: It supports small scale projects such as a smart air cooler and large scale products such as a smart city.
5. Reviews: The platform is a new startup so it has very less reviews available.
6. **Pros:**Scalable as it supports a lot of devices and can store huge amounts of data.Highly customizable with already developed APIs.You can view real time values of your sensors.Reliable team willing to offer support all the time.
7. Cons:
8. A relatively new startup so has very less documentation.Some devices will not be supported as targeting main stream boards at the moment.

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