Calculator Plug vs ShadowCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 450+ searchable calculators
- Offline functionality
- Clean dark interface
- Construction calculators
- Finance calculators
- Health and fitness calculators
- Trades calculators
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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/
ShadowCalc
Calculate in style with this persona-inspired calculator app. It offers unique themes, customizable icons, and haptic feedback, all with hand-drawn assets.
- Persona-inspired themes
- Customizable icons
- Haptic feedback
- Unique hand-drawn assets
- Multiple theme support
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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
Verdict
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
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.
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.
Calculator Plug ships an update every 4 days, ShadowCalc weekly. Both last shipped on October 31, 2026.
| Parameter | Calculator Plug | ShadowCalc |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 5.0 (22 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 22 — better |
| Update frequency | Every 4 days — better | Weekly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 26.0 |
| Further details — not scored | ||
| Size | 34 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Mark Gabrielli | Ahmed Aslam Juvale |
Customer experience
Calculator Plug
ShadowCalc
In-app purchases
Calculator Plug
- Pro Monthly$5.991 Month
- Pro+ Monthly$9.991 Month
- Pro Lifetime$29.99
- Pro+ Lifetime$44.99
ShadowCalc
- Level 1 Tip$0.99
- Level 2 Tip$2.99
- Level 10 Tip$9.99
Questions
Is Calculator Plug free?
Is ShadowCalc free?
Which has better reviews, Calculator Plug or ShadowCalc?
Do Calculator Plug or ShadowCalc have ads?
Which is updated more often, Calculator Plug or ShadowCalc?
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