
Free Online Calculators for Finance, Health & Math | RealCalculators
Free collection of 48 online calculators for finance, health, math, and everyday needs.
@avinashraj61815 · X
i vibe coded this week
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Free collection of 48 online calculators for finance, health, math, and everyday needs.
@avinashraj61815 · X
i vibe coded this week

Estimate monthly payments for mortgages, auto loans, and personal loans with free calculators—no signup required.
@itskdubs_ · X

Calculate mortgages, taxes, retirement, and more using 470+ free financial calculators.
@AfridiMunir · X

Use 32+ free business calculators for profit margin, break-even, and tax analysis.
@BizCalcLab · X

Manage your budget, debt, cash, and investments with a manual-first personal finance platform.
@YoloBust · X
free financial education for the people

Simulate SaaS pricing models, token costs, and profit margins across 30+ currencies.
@HelloCalcaas · X

Check if your trip fits your budget using live flight and hotel pricing data.
u/DilDaNiMaada_5911 · Reddit
Verdict-first travel tool — monetizing via affiliate links that only appear AFTER you've decided. Does this model hold? TripVerdict gives an honest "does this trip fit your budget" verdict from live flight/stay data. The wedge: every competitor (OTAs, AI planners) monetizes bookings, so their incentive is to make every trip look bookable. Mine shows booking links only post-decision, clearly disclosed — the bet is that independence is the moat and the trust earns the click. Early signal:

Compare LLM API pricing across 450+ routes and calculate real monthly costs with caching and batch pricing factors.
u/Greywolff06 · Reddit
I built LLMPrice — a free calculator for comparing LLM API costs across 450+ pricing routes I kept running into the same problem when comparing LLM APIs: the headline token price doesn't always tell you what your actual workload will cost. Caching, batch pricing, reasoning tokens, retries, different endpoints, and OpenRouter routes can change the result quite a bit. So I built LLMPrice.com. You enter your workload once — requests, input/output tokens, caching, retries, etc. — and it com

Track expenses, income, accounts, and budgets with recurring rules.
@umarbashir · X
I just shipped my first ever SaaS product. It's a small personal fiance tracker especially to manage expense , incomes, loans, subscriptions, and set budgets for your expenses. You can find it here:

JuicyMoney - envelope budgeting you own forever. Import from YNAB, budget month by month, automate entry from your iPhone. First month free, then €7.99/mo or €49 once.
@rickandx26 · X

Compare LLM API pricing and calculate your monthly costs instantly.
u/ahmedk2002 · Reddit
I built a real-time LLM API pricing comparator — because I was tired of not knowing the actual cost difference between models I use LLMs daily at work and kept running into the same frustration: provider pricing pages give you raw numbers per million tokens, but no way to understand what that actually means for your specific use case. Is GPT-4o really that much more expensive than Claude Sonnet for 10k requests per day? What about DeepSeek vs Gemini Flash for high-volume summarization? I

Track personal expenses, budgets, subscriptions and financial goals in one dashboard.
@Bogdan266624 · X