
Otterly.AI
SEMRush
Ahrefs
LLMrefs
Am I on AI
Promptwatch
Diploria AI
Profound helps brands gain visibility in AI-generated answers, optimize their presence in LLM-based answer engines, and stay competitive in the zero-click world.

Numi App
Soulver 3 for Mac
Numbr
Qalculate!
Notepad Calculator
SpeedCrunch
Soulver
Calca is an advanced symbolic calculator for iOS, OS X, and Windows that's as easy to use as a text editor.
Which is more popular?
Based on our record, Calca seems to be more popular. It has been mentioned 19 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | tryprofound.com | calca.io |
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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 Calca yet.
Walkthroughs and reviews on video.
Profound Tutorial & Review For Beginners 2026
More videos
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Profound and Calca. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Profound offers a free 7-day trial with 50 daily prompts on ChatGPT, Gemini and AI Overviews. After that it's Enterprise only, priced on a demo call, with up to 9 engines.
Say they read the public interface: Miraqo, SE Ranking, Otterly.AI, Peec AI (logged out; its add-on models run through APIs) and Profound. Semrush says its answers are "captured from real requests and not via any APIs...
Profound gives a useful way to understand how brands appear across AI search and generative platforms. The platform helps surface visibility patterns, competitor presence, and broader shifts in how AI systems...
We have no reviews of Calca yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Tracking Profound since Feb 2026.
This is remarkably similar to Calca.app, which I still use occasionally. http://calca.io/ I love that yours is web based! Can see it being much more reusable in a number of use-cases. Calca was originally MacOS/iOS, but has since been... - Source: Hacker News / over 2 years 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
This is all in calca syntax so you can download that for free and copy-paste this whole post into it and change the numbers for your car or electric rates. Calca is like a spreadsheet met a text editor, it's great. I don't work for Calca... Source: almost 3 years ago
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