Comparison

Calculator Plug vs ShadowCalc

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

Head to head
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/

About

ShadowCalc

Calculate in style with this persona-inspired calculator app. It offers unique themes, customizable icons, and haptic feedback, all with hand-drawn assets.

Highlights
  • Persona-inspired themes
  • Customizable icons
  • Haptic feedback
  • Unique hand-drawn assets
  • Multiple theme support
Features
Read full description

I am a shadow, the true self! For all the Investigation Team Members, Phantom Thieves, and SEES members, calculate in a new way with this stylized, persona-inspired calculator! ShadowCalc is a free application inspired by the Persona video game series. Features Include: - Support for 5+ different themes inspired by three of the video games! - Haptic Feedback setting! - Customizable Icons to match each theme! - Completely unique and hand drawn assets for each of the themes! Download today and begin calculating in style! Persona and other trademarks are property of ATLUS and not of my own creation.

Screenshots

Calculator Plug4 screens
ShadowCalc3 screens

Verdict

The call

The clearest difference is ratings volume: ShadowCalc at 22 against Calculator Plug's 1. Calculator Plug's advantage is iOS requirement (15.1 vs 26.0). On price, rating, update cadence and ads 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 and ShadowCalc sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Calculator Plug against 5.0 for ShadowCalc. That said, the two scores are not equally well evidenced: ShadowCalc has 22 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Calculator Plug ships an update every 4 days, ShadowCalc weekly. Both last shipped on October 31, 2026.

Scorecard2 real differences · 8 level
Calculator Plug versus ShadowCalc: the parameters behind the verdict, then further details
ParameterCalculator PlugShadowCalc
PriceFreeFree
Rating5.0 (1 ratings) — better5.0 (22 ratings)
Positive reviews—100.0% of reviews
Number of ratings122 — better
Update frequencyEvery 4 days — betterWeekly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better26.0
Further details — not scored
Size34 MB27 MB
Age rating4+4+
DeveloperMark GabrielliAhmed Aslam Juvale

Customer experience

Calculator Plug

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

ShadowCalc

All ratings22 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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
3 purchases

ShadowCalc

One-time3
  • Level 1 Tip$0.99
  • Level 2 Tip$2.99
  • Level 10 Tip$9.99

Questions

Is Calculator Plug free?
Calculator Plug is free to download, with in-app purchases available.
Is ShadowCalc free?
ShadowCalc is free to download, with in-app purchases available.
Which has better reviews, Calculator Plug or ShadowCalc?
Calculator Plug is rated higher. Calculator Plug averages 5.0 out of 5 from 1 ratings, while ShadowCalc averages 5.0 from 22 ratings.
Do Calculator Plug or ShadowCalc have ads?
Neither Calculator Plug nor ShadowCalc shows ads.
Which is updated more often, Calculator Plug or ShadowCalc?
Calculator Plug ships an update every 4 days, and ShadowCalc weekly. Most recently, Calculator Plug was updated on October 31, 2026 and ShadowCalc on October 31, 2026.

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