
AngularJS (Angular) native directives for Bootstrap.

Omni Calculator
calculator.net
AllTools.dev
Calculator Lists
Financial Toolbelt
FreeXTool
MyCalculatorTools.com
Free online calculators for finance, math, health & science. Smartly Calculators — sourced formulas, instant results, no sign-up required.

Which is more popular?
Based on our record, Angular UI Bootstrap seems to be more popular. It has been mentioned 5 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | angular-ui.github.io | smartlycalculators.com |
| Pricing | — | |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Angular UI Bootstrap yet.
A calculator suite built for accuracy. Every tool runs in your browser, every formula is sourced from a standard or textbook — and every result is checked against a worked example before it goes live.
What each product offers, as listed by its team.


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 Smartly Calculators yet.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Angular UI Bootstrap and Smartly Calculators.
Smartly Calculators's answer:
Smartly Calculators offers instant, client-side calculations with zero database load. It is built for extreme speed and user convenience, requiring no sign-ups, subscriptions, or personal data collection to use the tools.
Smartly Calculators's answer:
Unlike many competitors that have slow load times or cluttered interfaces, we provide lightning-fast results using highly optimized Vanilla JavaScript. The platform is clean, entirely free, and delivers results from sourced formulas instantly without any server lag.
Smartly Calculators's answer:
Our primary audience includes students, educators, financial analysts, health-conscious individuals, and everyday internet users who need reliable, fast, and accessible utility tools on the go.
Smartly Calculators's answer:
It was created out of a need for highly optimized, lightweight utility tools. Many existing calculators are slow and rely heavily on constant server requests. The goal was to build a micro-niche platform using streamlined frontend technologies to deliver instant, seamless value to users worldwide.
Smartly Calculators's answer:
The platform is built on WordPress with a customized plugin architecture, utilizing Vanilla JavaScript for lightning-fast frontend execution, and configured with AWS Route 53 for robust and quick DNS routing.
Smartly Calculators's answer:
Students and Academics
Financial Planners and Investors
Health and Fitness Enthusiasts
Everyday internet users seeking quick utility solutions
Share your experience with using Angular UI Bootstrap and Smartly Calculators. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


I followed the tutorial on the angular bootstrap site :http://angular-ui.github.io/bootstrap/. Source: over 4 years ago
I would like to combine AngularJS and Twitter Bootstrap into a fresh web app. It seems like AngularJS directives have been written for Bootstrap. Source: over 4 years ago
I'd like to make a minor modification to a 3rd party directive (specifically Angular UI Bootstrap). I simply want to add to the scope of the pane directive:. Source: over 4 years ago
Tracking Smartly Calculators since Aug 2026.