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TestSubject VS Flagship.io

Compare TestSubject VS Flagship.io and see what are their differences

BoxyHQ
B2B SaaS: Make your app enterprise-ready! Authentication - SAML/OIDC SSO, Directory Sync (SCIM 2.0), Audit Logs, Data Privacy Vault, and more! featured
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TestSubject logo TestSubject

Test how your email subject line displays on mobile devices.

Flagship.io logo Flagship.io

Feature Flag as a Service - Separate code deployments from feature releases to speed up development cycles, mitigate risks and release safely.
  • TestSubject Landing page
    Landing page //
    2021-08-01
  • Flagship.io Landing page
    Landing page //
    2023-05-09

Flagship.io is a feature flagging platform for modern engineering and product teams that eliminates the risks of future releases by separating code deployments from these releases. With Flagship.io, we push the concept of feature flags to the next level giving you full control over the release process. With Flagship.io, you can:

  • Switch features on or off through remote config.
  • Separate code deployments from future releases.
  • Automatically roll-out your features gradually.
  • Roll back any feature should any issues arise.
  • Segment users by granting access to a feature based on certain user attributes.
  • Carry out A/B tests by easily assigning feature variations to groups of users.

TestSubject features and specs

No features have been listed yet.

Flagship.io features and specs

  • API: Yes
  • SDKs: Yes
  • Targeting Segments: Yes
  • Dashboards: Yes
  • Analytics and Reporting: Yes
  • Role Based Access Control: Yes
  • Data Import/Export: Yes
  • Free Trial: Yes
  • GDPR Compliant: Yes

TestSubject videos

+ Add

Testsubject Review's DRIFT TOPIA

Flagship.io videos

+ Add

Video Feature Flag and Experimentation

Category Popularity

0-100% (relative to TestSubject and Flagship.io)

TestSubject

Flagship.io

Email
100 100%
Email
0% 0
Feature Flags
0 0%
Feature Flags
100% 100
Productivity
49 49%
Productivity
51% 51
Release Management
0 0%
Release Management
100% 100

User comments

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What are some alternatives?

When comparing TestSubject and Flagship.io, you can also consider the following products

analyze.email - Test the spam-y-ness of your emails

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.

Canned Emails - A minimal site with prewritten emails

LaunchDarkly - LaunchDarkly is a powerful development tool which allows software developers to roll out updates and new features.

DeepMail - Diligently sourced emails. Accurate emails for Startups and established companies

ConfigCat - ConfigCat is a developer-centric feature flag service with unlimited team size, awesome support, and a reasonable price tag.

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