DeepSeek
Free AI chat app and low-cost API running DeepSeek's open-weights V4 models
Free AI chat app and low-cost API running DeepSeek's open-weights V4 models
Free online calculator suite for health, finance, pregnancy, gold, and everyday math
DeepSeek is listed under AI Assistants and EZCalc under Productivity. EZCalc scores higher in FinderAtlas's editorial review (9.3 vs 8.8 out of 10). Both have a free plan or trial. Only DeepSeek is available on Windows, macOS and iOS and offers an API.
EZCalc
17 features compared.
Plans as listed by each vendor. Check their sites for current prices.
$0
Free access to DeepSeek models on web, iOS and Android
$0.15/1M input tokens
Pay as you go; $0.15 cache-miss input and $0.60 output per 1M tokens off-peak, double at peak
$0.66/1M input tokens
Pay as you go; $0.66 cache-miss input and $1.98 output per 1M tokens off-peak, double at peak
$0free
100% free access to all online calculators with zero account required
Scored out of 10 by the Finder Atlas editorial team. Last reviewed November 2026.
Scores weigh documented features, plan value, platform coverage, integrations and user feedback. A missing score means we have not rated that area yet.
Picked by our editors. Not paid placement.
AI Assistants
Google's Gemini Notebook, formerly NotebookLM, answers questions and builds summaries from your own sources
AI Assistants
Google's AI assistant for chat, research, image and video creation, and Workspace apps
AI Assistants
OpenAI's AI assistant for writing, research, coding, image generation and voice chat
It depends on your workflow. DeepSeek is built for Low-cost API integration. EZCalc is built for individuals seeking quick, private, and accurate health calculations like BMI, BMR, and pregnancy timelines.
DeepSeek: Free AI chat app and low-cost API running DeepSeek's open-weights V4 models. EZCalc: Free online calculator suite for health, finance, pregnancy, gold, and everyday math.
Yes, both do. DeepSeek is freemium and EZCalc is free, and each has a free plan or trial.
Both can be used for free. Paid plans differ in limits and features, so compare the tiers in the pricing table above.