AI · alternatives · 2026

24 alternatives to NumBuddy AI

Calculations with context and real-world explanations

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 2 we have checked on their own sites, 1 of them free or with a free tier.

1
Hedy AI▲445
Hedy 3.2 lets you run the entire AI pipeline on your own device. Summaries, notes, chat replies, and live suggestions all happen locally, so nothing reaches a server for AI processing.
2024 · hedy.ai · its alternatives →
2
Depth AI▲231
AI that deeply understands your codebase
2024 · its alternatives →
3
Briefy▲710
Your AI knowledge assistant
2024 · briefy.ai · its alternatives →
4
Numbr▲289
An elegant calculator for the web
2021 · numbr.dev · its alternatives →
5
Quicky AIfrom $29/mo▲280
Using AI is made easy, productive and instant on any website
2023 · quickyai.com · its alternatives →
6
Spoke.ai▲403
Summarize Slack with powerful & secure AI
2023 · spoke.ai · its alternatives →
7
Numby▲83
A natural language calculator for your terminal and macOS
Nov 2025 · numby.vivy.app · its alternatives →
8
AI Cheatsheet▲190
A tool to help you ace AI basics
2018 · aicheatsheet.comuzi.xyz · its alternatives →
9
Plerdy AI UX Assistant▲162
AI tool for website UX analysis and CR optimization
2023 · plerdy.com · its alternatives →
10
Ithy AI▲167
This is another one of my automate-my-life projects - I'm constantly asking the same question to different AIs since there's always the hope of getting a better answer somewhere else. Maybe ChatGPT's answer is too short, so I ask Perplexity. But I realize that's hallucinated, so I try Gemini. That answer sounds right, but I cross-reference with Claude just to make sure. This doesn't really apply to math/coding (where o1 or Gemini can probably one-shot an excellent response), but more to online search, where information is more fluid and there's no "right" search engine + text…
2025 · ithy.com · its alternatives →
11
Browsebuddy▲215
An AI co-pilot for e-commerce
2024 · browsebuddy.ai · its alternatives →
12
Numbrrrs▲90
The ios-style calculator that knows you(a tad too well)
2025 · numbrrrs.app · its alternatives →
13AN
A Natural Language Query Engine Without Machine Learning▲115
2016 · blog.ayoungprogrammer.com · its alternatives →
14
Calcular▲81
Mental maths done right, with speech-to-text and AI
2020 · apps.apple.com · its alternatives →
15
Fluently AI▲65
Language practice with AI Tutor
2023 · apps.apple.com · its alternatives →
16
N71free tier, from $49/mo▲141
Give all your AI agents one shared context
Jul 2026 · n71.ai · its alternatives →
17
ReExplain▲69
Explain what you know to AI and discover what you don't
Jul 2026 · reexplain.app · its alternatives →
18
Knowly AI▲92
Reliable AI that browses the web exactly like you do
2025 · goknowly.ai · its alternatives →
19
Nexus AI▲84
AI Powered Notion + Slack + Calendly for Remote Teams
2021 · dumpl.ink · its alternatives →
20
YottaAnswers▲74
Smart AI system capable of billions of answers
2022 · yottaanswers.com · its alternatives →
21
Numerai – A global AI tournament to predict the stock market▲68
The hardest data science tournament on the planet. Predict the stock market with AI to power our hedge fund.
2015 · numer.ai · its alternatives →
22
Solvable▲4
A calculator that leverages AI to understand you
2023 · apps.apple.com · its alternatives →
23
Mathly▲68
Solve math and science problems with AI, learn better
2023 · mathly.webflow.io · its alternatives →
24
Spoken AI▲50
Translate text with native accuracy
2024 · slotuno.co · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →