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Flagsmith VS Since.dev

Compare Flagsmith VS Since.dev and see what are their differences

Flagsmith

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

Rating
0 reviews
Pricing
Open source Freemium Free trial
Alternatives Is it good?
Since.dev

Make your software self-repairable

Rating
0 reviews
Pricing
Freemium
Alternatives Is it good?
HTMLCSS to Image API
Capture website screenshots, render HTML/CSS, or create templated graphics. Render images or PDFs. Use MCP with AI, no-code automation, or the REST API. No browsers needed. sponsored
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Flagsmith seems to be more popular. It has been mentioned 13 times since March 2021.

social mentions
13 vs 0
Feature Flags popularity
100% vs 0%
alternatives listed
108 vs 2

Base details

Website, pricing, platforms and company facts side by side.

Flagsmith
Since.dev
Website flagsmith.com since.dev
Pricing
Open source Freemium Free trial Official pricing
Freemium Official pricing
Company 2018 —
Listed in
Feature Flags Developer Tools Configuration Management A/B Testing +1
Development Monitoring Tools Workflow Automation Code Generator +1

About Flagsmith and Since.dev

In their own words, as submitted to SaaSHub.

Flagsmith
Since.dev

No description of Flagsmith yet.

Since.dev is building self-repairing software for a world that never stops changing. Modern software depends on APIs, SDKs, packages, and AI models that evolve independently of your code. A service changes its behavior, an endpoint disappears, a model gets retired—and software that worked...

Read more about Since.dev

Features and specs

What each product offers, as listed by its team.

Flagsmith 5 features
Since.dev 7 features
  • Feature Flags
  • Remote Config
  • A/B/X Testing & Optimization
  • Organization Management
  • Integrations
  • Dependency Monitoring
    Keeps an eye on the external APIs, SDKs, and AI models your app relies on.
  • Change Detection
    Spots when external services change or retire features before they break your App.
  • Impact Analysis
    Checks exactly how external updates will affect your specific codebase.
  • Auto Repairs
    Creates draft pull requests with the necessary code fixes already written for you.
  • Verification
    Uses your existing CI process to test the fixes before anyone merges them.
  • Agent integration
    Provides real-time updates via API so your AI agents always have the latest info.
  • Human Control
    Ensures your team stays in charge by letting you review and approve every change.

Analysis

An editorial look at what each product does well and who it suits.

Flagsmith
Since.dev

Overall verdict

  • Flagsmith is a good choice for teams looking for a reliable and customizable feature management tool. Its open-source nature and comprehensive feature set make it suitable for both small startups and large enterprises. However, the best fit will depend on your specific needs, such as the size of your team, required integrations, and budget.

Why this product is good

  • Flagsmith is widely appreciated for its simplicity, ease of integration, and robust feature flagging capabilities that help teams manage feature rollouts, AB tests, and configuration toggling. It is open-source, which allows users to benefit from a collaborative community and flexibility in customization. Furthermore, its scalable infrastructure supports modern development workflows and ensures smooth performance.

Recommended for

  • Development teams seeking an open-source feature flagging solution
  • Organizations that need flexible feature management across various environments
  • Companies looking for a solution that supports rapid experimentation and testing
  • Teams aiming for granular control over feature rollout and user segmentation

No analysis of Since.dev yet.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Flagsmith
Since.dev
100% 100%
Feature Flags
0% 0%
0% 0%
Code Generator
100% 100%
100% 100%
Developer Tools
0% 0%
0% 0%
Monitoring Tools
100% 100%

User comments

Share your experience with using Flagsmith and Since.dev. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

Flagsmith no reviews yet
Since.dev no reviews yet

We have no reviews of Since.dev yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Flagsmith 13 mentions
Since.dev 0 mentions
  • Why use Open Source Feature Flags?
    Considering all these points, the team at Flagsmith has developed a feature flag management platform Flagsmith and made it open source. The core functionality is open and you can check out the GitHub repository here. I have utilized and... - Source: dev.to / over 2 years ago
  • free-for.dev
    Flagsmith - Release features with confidence; manage feature flags across web, mobile, and server side applications. Use our hosted API, deploy to your own private cloud, or run on-premise. - Source: dev.to / almost 4 years ago
  • Which startups are made using Django?
    Flagsmith is written in Django and is open source as well: https://flagsmith.com. Source: about 4 years ago

View more

Tracking Since.dev since Sep 2026.

Alternatives to Flagsmith and Since.dev

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