Feature flags with a mountable UI, evaluated in-process
No ratings yet# Gemfile
gem "flipper"Flipper vs PgHero
Flipper and PgHero both sit in operations, but they solve different parts of it.
Thin comparison — they do not replace the same product. Kept readable, left out of search.
PgHero
Better knownA performance dashboard for Postgres, mounted at a path
No ratings yet# Gemfile
gem "pghero"What Flipper does
Feature flags that live in your own datastore, with a mountable UI for changing them. Boolean, actor, group and percentage-of-time gates Adapters for Active Record, Redis and others A web UI mounted in your app Flag checks that are a local lookup, not a network call A hosted flag service either adds a network hop to every check, or ships an SDK that caches and then eventually-consistently diverges. Flipper reads from a table you are already querying.
Read the full Flipper listing →
Why you might pick it
- It also replaces LaunchDarkly.
What PgHero does
PgHero shows you what your database is doing: slow queries, missing indexes, unused indexes, table bloat, connections and query statistics. A slow query list backed by pg stat statements Index suggestions, and unused indexes you can drop Space usage per table Live queries, with a kill button Historical query stats if you enable capture PgHero is Postgres-only. On SQLite or MySQL this is not the tool for you.
Read the full PgHero listing →
Why you might pick it
- It also replaces Datadog and Grafana Cloud.
- It has substantially more adoption — 8,100 stars against 3,900.
Side by side
Rows where the two differ are marked.
| Flipper | PgHero | |
|---|---|---|
| Category | Operations | Operations |
| Replaces (differs) | LaunchDarkly | Datadog, Grafana Cloud |
| License | MIT | MIT |
| GitHub stars (differs) | 3900 | 8100 |
| Gem (differs) | flipper | pghero |
| Mounts at (differs) | /flipper | /pghero |
| Member rating | — | — |
What each one gets off your invoice
Questions
- What is the difference between Flipper and PgHero?
- Flipper and PgHero both sit in operations, but they solve different parts of it.
- Can I mount both Flipper and PgHero in the same Rails app?
- Technically yes — engines mount at different paths — but they overlap, so running both usually means two sets of tables doing one job. Pick one.