Know what your software really costs.
Free calculators and in-depth reviews for small businesses, freelancers, and creators. We track real prices, do the math, and tell you when a tool pays for itself — and when it doesn't.
Systeme.io Review 2026: Can a $0–$97 All-in-One Platform Replace Your Whole Marketing Stack?
Every plan limit, what the tools it replaces really cost, payments, email deliverability, and who should pick something else.
Read the full review- Savings calculator for your own stack
- Every plan & limit, prices dated
- Who should not use it
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Which Businesses Should Switch to AI Now — and Which AI Tools Fit Each Department (2026)
What the research says about AI gains, the signs your business is ready, and the right type of AI tool for each department — with real prices.
Updated Oct 19, 2026ReviewInstant AI Agency Review (2026): A $14 Book Promises $1,000+ a Week From a "2-Line SMS" — What the Sales Page Leaves Out
What the $14.40 book includes, the income claims checked, the math the sales page skips, safer message examples, and the texting-consent rule it never mentions.
Updated Oct 24, 2026ReviewCustomGPT.ai Review (2026): Is It Worth $99 a Month for Writing From Your Own Sources?
Plans and real cost per query, the Tonic.ai accuracy test, seven writing workflows, which professions benefit, and how it compares with ChatGPT, Claude and NotebookLM.
Updated Oct 29, 2026ReviewDebt Payoff Planner Review: Snowball vs Avalanche With Your Own Numbers (2026)
Our own product, reviewed honestly: both payoff methods side by side, the month-by-month plan, what an extra $200 a month really changes, and its limits.
Updated Oct 21, 2026ReviewSmall Business Software Budget Kit Review: Audit Subscriptions and Cut What Does Not Pay (2026)
Our own product, reviewed honestly: subscription audit flags, break-even and swap payback, a worked example saving $3,222 a year, and who it is not for.
Updated Oct 21, 2026ReviewRewrite Publisher for WordPress Review: Real Test Results and Setup Guide (2026)
Our own plugin, tested on a real WordPress site: three sources into one 997-word article in 42 seconds, the runs that failed, free AI keys, and responsible use.
Updated Oct 20, 2026Free calculators
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Every recommendation on this site follows the same three rules.
We use it before we rate it
Reviews are written from our own paid or trial accounts, with our own screenshots — never rewritten from a vendor's marketing page.
Every price has a date
Software prices change quietly. Each price table shows the day we last checked it against the official pricing page.
We say who should not buy
Every review names the people the product is wrong for, and the cheaper or free alternative they should try instead.
Dwi Taufik Hidayat Founder & editor
Computer science lecturer and PhD candidate researching machine learning. I build the calculators on this site and test every tool I review on a real account before writing about it.
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