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The Best 5 feature-flag tools for Dart developers

Feature flags are a powerful tool in the Dart developer’s toolkit, offering the flexibility to test and deploy new features with minimal risk. But with multiple services to choose from, finding the right fit can be challenging. This article compares the top 5 feature-flag solutions for Dart developers, focusing on pricing, ease of use, and the features each service brings to the table.

#1 Tggl.io
#2 Unleash
#3 Split
#4 Flagsmith
#5 LaunchDarkly
Conclusion

Tggl logoOur top pick#1 Tggl.io

We start this list with Tggl, probably a great choice overall for its ease of use and quick integration with Dart (a single API call).

Features

Tggl makes it easy to get started with feature flagging by offering a low-cost plan that includes all the basic features you’d expect. This plan is ideal for beginners or smaller teams, providing everything needed to control feature releases, conduct A/B tests, and manage feature flags effectively.

When your project scales or demands more sophisticated capabilities, Tggl’s premium plans introduce advanced features for collaborating like reviews, technical debt management, and server-side flags evaluation, giving you the flexibility to grow with the service.

Ease of use

Tggl stands out in our comparison due to its user-friendly design, which places it at the top of our list. We found the interface to be intuitive, and the setup process is quick. To provide a clear example, we recorded a brief video demonstratinghow to activate a flag for 20% of French users. We created similar videos for each service in this article to ensure a fair comparison of their ease of use.

Tggl Demo

As shown in the video, Tggl very straight forward. To complement this, we also gathered user ratings on ease of use and setup time. These ratings reflect actual user experiences and offer additional context on how Tggl performs.

Pricing

To conclude, Tggl is the least expensive option featured, beginning at 180/yr for 5 seats. For smaller teams, the pricing is based on both seat count and request volumes, ensuring budget control. Meanwhile, larger teams can take advantage of a plan with unlimited seats and only incur costs based on request volume, offering a flexible and economical choice as their needs evolve.

Got to Tggl pricing page

Unleash logo#2 Unleash

Unleash is the next feature flagging tool we'll explore. Designed with Dart developers in mind, Unleash offers a range of functionalities that make it a compelling choice. In the upcoming sections, we'll delve into its features and pricing to better understand its value.

Features

Unleash provides a comprehensive set of basic features that make it a solid choice for managing feature flags in Dart projects. With its core offerings, you can easily toggle features on and off. These essential tools are available even on the lower-tier plans, making Unleash accessible to teams that need robust feature flagging capabilities without breaking the bank.

However, for those seeking more advanced functionalities, you'll need to opt for one of the more expensive plans.

Some other features of Unleash are only available on the highest plan and will require a call with a sales representative (eg. unlimited projects, reviews, custom roles, unlimited environments, unlimited seats and flag scheduling).

Ease of use

To showcase Unleash's UI, we’ve prepared a short video demonstration. In the video, we’ll walk you through the process of releasing a feature for 20% of French users. Unleash may not the most user-friendly tool from this list, but at least it gets the job done fairly quickly.

Unleash Demo

To give a better sense of how Unleash performs in real-world use, we’ve gathered user ratings for two key areas: ease of use and setup time. These ratings, with higher scores indicating better performance, provide insights into how quickly teams can get started with the platform and how intuitive it is to use in day-to-day operations. Let’s take a look at how Unleash fared in these categories.

Here is what people who are using Unleash think about the product (the higher the better):

Pricing

When it comes to pricing, Unleash is not the most affordable option on the list. The cost can rise quickly as your team size grows. While it offers robust capabilities, the pricing may become a concern for smaller teams or those with limited budgets. To give you a better sense of what to expect, we’ve included a few example price points based on team size to help you gauge how costs might scale as your needs evolve.

Unleash is not the cheapest option from this list, especially for larger teams, the price increase can be steep. Here are some prices to give you an idea:

Got to Unleash pricing page

Split logo#3 Split

Next, we have Split, which is a strong option for managing feature flags in Dart applications. We'll take a closer look at what Split brings to the table in terms of features and pricing, helping you determine if it fits your project needs.

Features

Split offers all the essential features you’d expect from a feature flagging service, making it a reliable choice for most Dart projects. Its lower-tier plans include key functionalities like feature toggling, ensuring that even teams on a budget can effectively manage their feature deployments.

For those who need more advanced capabilities, however, some features are reserved for the higher-tier plans. Options like unlimited projects, flag scheduling, custom roles or remote config start at $7 200 a year and audit log start at $3 960 a year.

Some other features of Split are only available on the highest plan and will require a call with a sales representative (eg. reviews).

Ease of use

We’ve recorded a video for each tool on our list to demonstrate their UI where we release a feature for 20% of French users. This will allow you to directly compare how Split handles feature rollouts and how it might fit your workflow.

Split takes a bit of time to get used to, but once you get the hang of it you can update flags pretty easily.

Split Demo

To help evaluate Split's performance, we collected user ratings for both ease of use and setup time. These ratings, where higher numbers reflect better experiences, give a clear picture of how simple it is to get up and running with the platform and how user-friendly it is. Let’s dive into the results to see how Split stacks up.

Here is what people who are using Split think about the product (the higher the better):

Pricing

Split isn’t the cheapest option available, and its pricing can increase rapidly as your team size expands. To provide some clarity, we’ve outlined a few example price points based on different team sizes, so you can better understand how Split’s pricing might fit your needs.

Split is not the cheapest option from this list, especially for larger teams, the price increase can be steep. Here are some prices to give you an idea:

Got to Split pricing page

Flagsmith logo#4 Flagsmith

Flagsmith is the next service we're examining in our comparison. Tailored for Dart developers, Flagsmith provides a robust set of tools for effective feature management. We'll review its features and pricing in detail to see how it stacks up against other options.

Features

Flagsmith is equipped with all the fundamental tools necessary for effective feature flag management, making it a strong contender for Dart developers. The basic plan includes essential features such as feature toggling, offering a solid foundation for most projects.

However, if you’re looking for more advanced features, you’ll need to consider one of the more expensive plans. Those feature include flag scheduling or MFA which starts at $540 a year and reviews, custom roles or audit log which starts at $2 400 a year.

Ease of use

We’re creating a video for each feature flagging tool in this article showcasing how to release a feature for 20% of French users. These demonstrations will allow you to easily compare the usability of Flagsmith and other platforms to see which one aligns best with your needs.

Here is the recording of the Flagsmith's dashboard where we go through the process of updating the flag.

Flagsmith Demo

To provide more insight into Flagsmith's usability, we collected user ratings in two areas: ease of use and setup time. A higher rating indicates a smoother experience, helping gauge how quickly teams can adopt the platform and how intuitive it is. Let’s take a closer look at these ratings to see how Flagsmith measures up.

Here is what people who are using Flagsmith think about the product (the higher the better):

Pricing

Pricing is one area where Flagsmith can become costly, particularly as team size increases. While it delivers a strong feature set, the pricing structure might be challenging for teams looking to stay within a tight budget. To help you better assess the cost, we’ve provided a few pricing examples based on different team sizes to show how quickly expenses can add up.

Flagsmith is not the cheapest option from this list, especially for larger teams, the price increase can be steep. Here are some prices to give you an idea:

Got to Flagsmith pricing page

LaunchDarkly logo#5 LaunchDarkly

LaunchDarkly is the next feature flagging tool we'll explore. Designed with Dart developers in mind, LaunchDarkly offers a range of functionalities that make it a compelling choice. In the upcoming sections, we'll delve into its features and pricing to better understand its value.

Features

LaunchDarkly provides a comprehensive set of basic features that make it a solid choice for managing feature flags in Dart projects. With its core offerings, you can easily toggle features on and off. These essential tools are available even on the lower-tier plans, making LaunchDarkly accessible to teams that need robust feature flagging capabilities without breaking the bank.

However, for those seeking more advanced functionalities, you'll need to opt for one of the more expensive plans. Such as duplicate flags, unlimited projects or reviews that start at $1 000 a year.

Some other features of LaunchDarkly are only available on the highest plan and will require a call with a sales representative (eg. custom roles and flag scheduling).

Ease of use

To help you compare the ease of use between the tools, we’re recording a video for each one showing how to roll out a feature for 20% of French users. These videos will give you a hands-on look at how LaunchDarkly and the other platforms operate, making it easier to evaluate their strengths and weaknesses.

Unlike what you might have heard, it is actually not that hard to setup a flag in LaunchDarkly.

LaunchDarkly Demo

We've gathered user feedback on two key aspects of LaunchDarkly: ease of use and setup time. The higher the rating, the more favorable the experience, giving us a clear indication of how smoothly the platform works in practice. Next, we’ll review how LaunchDarkly performed in these areas based on user input.

Here is what people who are using LaunchDarkly think about the product (the higher the better):

Pricing

LaunchDarkly isn’t the most budget-friendly tool, and the price can climb significantly as the size of your team increases. To give you a sense of how costs can escalate, we’ve included some example pricing based on team size to help you evaluate whether LaunchDarkly fits your financial requirements.

LaunchDarkly is not the cheapest option from this list, especially for larger teams, the price increase can be steep. Here are some prices to give you an idea:

Got to LaunchDarkly pricing page

Conclusion

In summary, selecting the right feature flag tool for your Dart projects requires careful consideration of features, usability, and cost. Throughout this article, we compared 5 leading options, highlighting their strengths and weaknesses. The video examples provided a hands-on look at how each platform functions, helping you make a more informed decision.

Whether your focus is on budget, advanced capabilities, or ease of integration, there’s a tool in this list that fits your needs.