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Fiddler vs Numi

Professional comparison and analysis to help you choose the right software solution for your needs.

Fiddler icon
Fiddler
Numi icon
Numi

Fiddler vs Numi: The Verdict

⚡ Summary:

Fiddler: Fiddler is a free web debugging proxy which logs all HTTP(S) traffic between your computer and the Internet. It allows developers to inspect traffic, set breakpoints, and fiddle with incoming or outgoing data. Fiddler can be used to debug traffic from virtually any application that supports a proxy like web browsers, mobile apps, IoT devices, and more.

Numi: Numi is a beautifully designed calculator app for Mac that offers standard, scientific, programmer, and conversion calculator modes. It has a clean interface with large, tactile buttons and support for keyboard shortcuts.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Fiddler Numi
Sugggest Score — —
Category Development Office & Productivity
Pricing — Freemium

Product Overview

Fiddler
Fiddler

Description: Fiddler is a free web debugging proxy which logs all HTTP(S) traffic between your computer and the Internet. It allows developers to inspect traffic, set breakpoints, and fiddle with incoming or outgoing data. Fiddler can be used to debug traffic from virtually any application that supports a proxy like web browsers, mobile apps, IoT devices, and more.

Type: software

Numi
Numi

Description: Numi is a beautifully designed calculator app for Mac that offers standard, scientific, programmer, and conversion calculator modes. It has a clean interface with large, tactile buttons and support for keyboard shortcuts.

Type: software

Pricing: Freemium

Key Features Comparison

Fiddler
Fiddler Features
  • HTTP/HTTPS traffic interception and inspection
  • Session analysis and manipulation
  • Breakpoints and conditional breakpoints
  • HTTPS traffic decryption
  • Automatic request resending
  • Scripting support
Numi
Numi Features
  • Standard calculator mode
  • Scientific calculator mode
  • Programmer calculator mode
  • Conversion calculator mode

Pros & Cons Analysis

Fiddler
Fiddler

Pros

  • Free and open source
  • Powerful debugging features
  • Supports all major platforms
  • Large user community and documentation

Cons

  • Steep learning curve
  • Can slow down traffic
  • Potential privacy concerns with HTTPS decryption
  • Limited native mobile app support
Numi
Numi

Pros

  • Clean, minimalist interface
  • Large, tactile buttons
  • Keyboard shortcut support
  • Beautiful, polished design

Cons

  • Limited features compared to some competitors
  • No mobile app
  • No online syncing

Pricing Comparison

Fiddler
Fiddler
  • Not listed
Numi
Numi
  • Freemium

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Learn More About Each Product

Fiddler
Fiddler
Reviews, pricing & alternatives →
Numi
Numi
Reviews, pricing & alternatives →

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