Numy vs MetricSmith
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Numy
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Numy is a free notepad calculator for everyday numbers. Write calculations the way you would in a note: '$6 times 5', '20% off $50', '100km in miles', or '$45 plus 12.5% tip split 3'. Numy shows answers line by line as you type, so your math stays clear and easy to follow. Use Numy for quick math, percentages, discounts, tips, taxes, bill splitting, running totals, unit conversion, currency conversion, and calculation history. It works like a clean notepad for numbers, words, symbols, and conversions. What you can do: • Type natural calculations with words and symbols • Work out percentages, discounts, tips, and tax • Split bills and keep running totals • Convert distances, weights, temperatures, and more • Convert currencies using available rates • Use recently saved currency rates when offline • Return to previous calculations from history • Start instantly with no account required Numy is useful for shopping, travel, school, homework, budgeting, recipes, invoices, quick notes, and everyday decisions where numbers are part of the thought. Currency conversion may use saved recent rates when you are offline. Rates can change, so check important conversions before relying on them. Numy is built for everyday calculations and conversions, not investment advice, financial advice, or advanced scientific graphing. The app is free and includes ads. Ad privacy controls are available in Settings. Privacy Policy: https://moruk.link/numy/privacy?locale=en-US Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
MetricSmith
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MetricSmith — Complete Measurement Tools MetricSmith is a clean, fast, and accurate unit converter built for people who work with numbers every day. Whether you're studying, working with technical data, or handling everyday measurements, MetricSmith provides a focused workspace designed for clarity, speed, and reliability. The minimalist interface keeps distractions away so you can get the right value instantly. Why MetricSmith MetricSmith is built for accuracy and consistency. Units are verified, categories are organised for quick access, and the workflow supports both simple checks and advanced calculations. It’s designed for students, professionals, researchers, analysts, and everyday users who need dependable results. The app adapts naturally to different workflows, from quick one‑off conversions to long technical sessions. New in This Version MetricSmith now includes expanded scientific energy and power conversions, including earthquake energy, TNT yield, and multiple engineering power systems. These additions integrate seamlessly into the existing interface and remain easy for general users while offering depth for technical work. The conversion engine has also been refined for smoother numeric input and more stable performance. Free Version Essential everyday conversions: Metric and imperial units Length, area, volume, mass, temperature, speed Chinese Weight (市制) — 钱, 两, 斤 Instant results Smart search Saved Conversions Light and Dark themes Everything needed for daily conversions is free. Lifetime Access Unlock advanced tools for professional and scientific workflows: Custom units and categories Batch Mode Widgets History Export Advanced themes Pro‑only categories and units One‑time purchase. Pro‑Only Categories Specialised units for engineering, science, and industry: Energy and Oil CO₂ Emissions Underwater and Altitude Pressure Physics and Chemistry Chinese Weight and Volume Systems Astronomical Units Advanced Engineering and Speed Units Agriculture and Industry Ideal for engineering, lab work, research, energy markets, and analysis. Chinese Measurement Systems A complete library of modern and traditional Chinese units for engineering, trade, cultural research, and historical study. Features Hundreds of units across dozens of categories Clean, organised layout Fast, accurate results Custom units and categories Reorder categories Saved Conversions History Export Batch Mode Convert multiple values at once — perfect for spreadsheets, lab work, and bulk calculations. Widgets Pin any category or custom unit to your Home Screen for instant access. Design Philosophy MetricSmith is built for clarity and long‑term usability. The layout is simple, the typography is readable, and every interaction is designed to reduce friction. Whether you’re converting a single value or working through detailed calculations, the app stays responsive, predictable, and easy to use. About MetricSmith MetricSmith is built for people who value clarity and precision. The app focuses on thoughtful design, reliable results, and a workflow that feels natural whether you’re converting a single value or working through detailed calculations. Every category is organised to reduce friction, every interaction is tuned for speed, and every feature is designed to support both everyday tasks and professional work. MetricSmith aims to be a dependable tool you can rely on across study, work, research, and daily life. Privacy‑First Your data stays on your device. Privacy Policy: https://www.bamuda.com.au/metricsmithprivacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: MetricSmith at Free against Numy's $9.99. MetricSmith also leads on ads (none vs shown) and update cadence (every 4 days vs fortnightly). Numy's advantage is in-app purchases (none vs 1). On device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
MetricSmith is free to download; Numy costs $9.99 up front. MetricSmith sells 1 one-off in-app purchase. Numy asks for nothing beyond the download.
Numy ships an update fortnightly, MetricSmith every 4 days. The most recent releases landed on September 18, 2026 and September 28, 2026 respectively.
| Parameter | Numy | MetricSmith |
|---|---|---|
| Price | $9.99 | Free — better |
| Update frequency | Fortnightly | Every 4 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.4 — better | 17.6 |
| Further details — not scored | ||
| Size | 64 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Moruk LLC | Bamuda Corporation Pty Ltd |
In-app purchases
Numy
No in-app purchases
MetricSmith
- MetricSmith Life Access$6.99





