Comparison

Numby vs Calculator Plug

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Numby

Features
Read full description

Numby is a calculator reimagined with design at its core. Tired of cluttered, outdated calculator apps? Numby offers a refreshingly clean experience with bold, easy-to-read numbers and a thoughtfully minimal interface. Why Numby? Beautiful Typography — Large, high-contrast display makes results instantly readable. Color-Coded Operators — Blue for division, red for multiplication. Recognize operations at a glance. Minimal Design — No clutter, no distractions. Just clean, focused calculations. Expression Preview — See your current calculation below the result. Everyday tools deserve great design. Try Numby today.

About

Calculator Plug

Access over 450 specialized calculators for construction, finance, health, trades, and more. This app offers a clean, offline-capable interface for quick, accurate calculations without intrusive ads.

Highlights
  • 450+ searchable calculators
  • Offline functionality
  • Clean dark interface
  • Construction calculators
  • Finance calculators
  • Health and fitness calculators
  • Trades calculators
Features
Read full description

Calculator Plug puts 450+ real-world calculators in one fast, clean app - built for people who need a real answer, not a search engine full of pop-ups. CATEGORIES - Construction and home: concrete, drywall, flooring, roofing, framing, square footage - Finance and money: mortgage, loan, refinance, compound interest, ROI, retirement - Health and fitness: BMI, calories, macros, body fat, heart rate, pace - Math and science: algebra, geometry, statistics, chemistry, physics - Trades: electrical, plumbing, HVAC, welding, structural engineering - Trading and investing: position size, pip value, cost basis, capital gains - Conversions, automotive, business, date and time, and more - Field pack: local weather, tides, sunrise/sunset and moon times FEATURES - 450+ calculators, searchable in a tap - Works offline (except live weather and tides) - Pro unlocks every calculator; Pro+ adds the professional suite - Clean dark interface, no clutter Free to use with a core set. Pro and Pro+ unlock the full library. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Numby3 screens
Calculator Plug4 screens

Verdict

The call

The clearest difference is in-app purchases: Numby at none against Calculator Plug's 4. Numby also leads on update cadence (every 2 days vs every 4 days). Calculator Plug's advantage is device support (3 vs 1). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Calculator Plug sells 4 in-app purchases, starting at $5.99 per month. Numby asks for nothing beyond the download.

UpkeepUpdate frequency

Numby ships an update every 2 days, Calculator Plug every 4 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 6 level
Numby versus Calculator Plug: the parameters behind the verdict, then further details
ParameterNumbyCalculator Plug
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 2 days — betterEvery 4 days
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.615.1 — better
Further details — not scored
Size16 MB34 MB
Age rating4+4+
DeveloperTEAM MILESTONE GP.Mark Gabrielli

In-app purchases

None

Numby

No in-app purchases

4 purchases

Calculator Plug

Subscriptions2
  • Pro Monthly$5.991 Month
  • Pro+ Monthly$9.991 Month
One-time2
  • Pro Lifetime$29.99
  • Pro+ Lifetime$44.99

Questions

Is Numby free?
Numby is free to download, with no in-app purchases.
Is Calculator Plug free?
Calculator Plug is free to download, with in-app purchases available.
Do Numby or Calculator Plug have ads?
Neither Numby nor Calculator Plug shows ads.
Which is updated more often, Numby or Calculator Plug?
Numby ships an update every 2 days, and Calculator Plug every 4 days. Most recently, Numby was updated on October 30, 2026 and Calculator Plug on October 31, 2026.

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