Flat
Simple, delightful, collaborative work tracking
Sentry
Application monitoring and error tracking software
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.
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 listsBoth 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 replayOnly in Flat — Cons
No mobile appBoth tools — Cons
—Only in Sentry — Cons
Expensive pricing Complex integration for some frameworks Pricing issues with error limitsDetails
| 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.
What Users Say
Flat
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...
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...
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
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 ...
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...
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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