Flat

Simple, delightful, collaborative work tracking

★★★★★ 5.0/5
FactScore™ 52.1
VS

Sentry

Application monitoring and error tracking software

★★★★★ 4.9/5
FactScore™ 87.8

Updated February 2026

Flat Sentry
Rating 5.0★ 4.9★
Reviews 10 60
Pros 14 13
FactScore™ 52.1 87.8

FactScore™ Comparison

FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.

52.1
Flat FactScore™
👑
87.8
Sentry FactScore™
★ Sentry wins on FactScore™

Pros & Cons

Only in Flat — Pros

Simple UI Team alignment Minimalist design Responsive support Task management Flexible workflows GitHub integration Kanban boards Project tracking Single source of truth API access External collaboration Familiar interface Sub-task lists

Both tools — Pros

Only in Sentry — Pros

Real-time error tracking Performance monitoring Seamless integrations Detailed stack traces Error alerts Detailed diagnostics Dashboard usability Flexible setup Cloud-based option Cross-platform support High degree of personalization Self-hosted option User session replay

Only in Flat — Cons

No mobile app

Both tools — Cons

Only in Sentry — Cons

Expensive pricing Complex integration for some frameworks Pricing issues with error limits

Details

Flat Sentry
Categories Productivity, Team collaboration software, Issue tracking software Issue tracking software, Testing and QA software
Platforms Web Web
Became Popular July 10, 2024 March 28, 2015
Website flat.app www.sentry.io

Who Should Pick Which?

Choose Flat if...

  • Simple UI
  • Team alignment
  • Minimalist design

Choose Sentry if...

  • Real-time error tracking
  • Performance monitoring
  • Seamless integrations

With a FactScore™ of 52.1 vs 87.8, Sentry leads in community reception. Flat uniquely offers Simple UI and Team alignment, while Sentry stands out for Real-time error tracking and Performance monitoring.

3

What Users Say

Flat

P
Patryk Jul 17, 2024
★★★★★

I was initially skeptical about product management tools, but Flat completely changed my perspective. It's incredibly intuitive, striking the perfect balance between simplicity and advanced functio...

A
Amir Jul 13, 2024
★★★★★

I like the simplicity in Flat. It uses a familiar interface, that's intuitive and fun to work with. I find myself jump around between the list and kanban view - depending on the mode I'm at. For ex...

J
Jonathan Jul 11, 2024
★★★★★

We’re a small team and work on lots of issues at once - constantly bouncing them back and forth between team members and stages like ‘for discussion’, ‘in progress’, ‘in testing’ etc. We were tired...

Sentry

A
Atle Oct 2, 2023
★★★★☆

At "We Are Learning," Sentry has been a cornerstone for real-time error monitoring, significantly enhancing our debugging efficiency and system stability. Its real-time error capture, coupled with ...

D
Danny Nov 3, 2025
★★★★★

Sentry is critical for Termdock and our backend services across error monitoring and performance tracing. Its issue grouping and release tracking let us map multi‑project, multi‑workspace events to...

I
IDEACVR May 27, 2025
★★★★★

Sentry excels in error tracking and performance monitoring. Its real-time alerts, detailed stack traces, and integrations with popular frameworks (like Next.js) help me identify and resolve issues ...

Frequently Asked Questions

Which is better, Flat or Sentry?

Based on FactScore™, Sentry leads with a score of 87.8 vs 52.1. Sentry has a higher rating of 4.9★ compared to 5.0★.

What are the pros of Flat compared to Sentry?

Flat uniquely offers: Simple UI, Team alignment, Minimalist design, Responsive support, Task management.

What are the pros of Sentry compared to Flat?

Sentry uniquely offers: Real-time error tracking, Performance monitoring, Seamless integrations, Detailed stack traces, Error alerts.

Is Flat better rated than Sentry?

Flat is rated 5.0★ from 10 reviews. Sentry is rated 4.9★ from 60 reviews.

What is the FactScore™ of Flat and Sentry?

FactScore™ weighs rating and review volume together. Flat scores 52.1 and Sentry scores 87.8.

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