
Soulver
Omni Calculator
calculator.net
SpeedCrunch
Qalculate!
Parsify Desktop
fxSolver
Numi is a beautiful text calculator for Mac.

devtoolz.dev
CodeKitHub
DevToys
CodeSwissKnife
All Over Tools
DevNestTools
DevBox
Free browser-based tools for formatting, encoding, decoding, conversion, generators and everyday software development tasks.
Which is more popular?
Based on our record, Numi App seems to be more popular. It has been mentioned 30 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | numi.app | developertoolbox.tech |
| Pricing | — | |
| Platforms | — | |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Numi App yet.
Developer Tool Box is a free collection of browser-based developer utilities for everyday software development. It provides tools for JSON formatting, Base64 conversion, UUID generation, URL encoding, hashing, and more, with additional utilities covering crypto, web, development, networking,...
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of DeveloperToolBox.tech yet.
Walkthroughs and reviews on video.
Sweat Proof Undershirt? WATCH UNTIL THE END! | Numi Shirt Review
More videos
No DeveloperToolBox.tech videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Numi App and DeveloperToolBox.tech. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Numi is a text-based calculator that lets you type things like "25% of $400" or "3 hours 20 minutes in seconds" and just get the answer. It handles unit conversions, currency, time zones, and variables. Think of it as a scratchpad that... - Source: dev.to / 6 months ago
This looks fantastic. I will definitely give it a spin. I've been tracking what I call "computational scratchpad" apps for a while now but haven't found one that fits my environment/workflow yet. Maybe Heynote will. Here are some others... - Source: Hacker News / almost 3 years ago
Numi is an awesome little calculator app that supports currency conversion. Source: over 3 years ago
Tracking DeveloperToolBox.tech since Sep 2026.
When comparing Numi App and DeveloperToolBox.tech, you can also consider the following products.

Soulver is a software application that functions as a calculator that allows you type a continuous stream of information rather than having to input data into multiple cells.
Compare Soulver to Numi App or DeveloperToolBox.tech:

DevToolbox is a free, no-signup collection of 148 client-side developer tools and 78 guides — a lightweight alternative to installing dozens of separate SaaS dev-tool apps.
Compare devtoolz.dev to Numi App or DeveloperToolBox.tech:

Helping you make rational decisions, one calculation at a time.
Compare Omni Calculator to Numi App or DeveloperToolBox.tech:

Free online tools: JSON formatter, password generator, QR code maker, calculators, converters and more. Fast, private, no login — everything runs in your browser.
Compare CodeKitHub to Numi App or DeveloperToolBox.tech:

Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with related in-depth information.
Compare calculator.net to Numi App or DeveloperToolBox.tech:

A collection of converters, formaters, encoders, generators and other tools for your Windows desktop.
Compare DevToys to Numi App or DeveloperToolBox.tech: