Comparison

prismCalc vs DewCount

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

Head to head
About

prismCalc

This app offers a visually appealing and functional calculator for everyday financial tasks like splitting bills, calculating discounts, and comparing loan payments. It provides live calculation previews, a history of recent results, and various everyday tools.

Highlights
  • Live calculation preview
  • History of recent results
  • Tip and split bill calculator
  • Discount calculator
  • Loan calculator
  • Unit converter
  • Customizable themes
Features
Read full description

Split a dinner bill in seconds. Check a discount before you buy. Compare loan payments side by side. prismCalc is the everyday calculator for the math that happens outside a spreadsheet — beautiful glass design, no ads, no tracking. **LIVE CALCULATION PREVIEW** • See the running result while you build an expression • Keep enough context on screen to catch mistakes before pressing equals **KEEP RECENT RESULTS CLOSE** • Dynamic Island can keep your last calculation visible while you switch apps • Widgets and quick actions help you get back to recent math without digging through the app • History lets you reuse prior calculator, tip, discount, loan, and conversion entries **CORE CALCULATOR** • Large calculator buttons with haptic feedback • Memory functions (M+, M−, MC, MR) with indicator dot • Long-press display to copy, double-tap to paste • Standard or alternate key layout — choose what feels natural • Display gestures for backspace, undo backspace, recall, clear, copy, and paste **EVERYDAY TOOLS (Pro)** • Tip & Split — tips, equal splits, rounded per-person totals, and by-share splits for uneven groups • Discount Calculator — original price, savings, sale price, and tax • Loan Calculator — mortgage, auto, student, and personal loans. Mortgages lead with the total monthly payment, with principal + interest and escrow (property tax, insurance, HOA) as immediate context. Includes payoff planning, extra-payment what-ifs, and full amortization details • Unit Converter — 38 length, weight, volume, and temperature units, with Metric, US Customary, and Imperial results grouped clearly **HISTORY & NOTES (Pro)** • Save, review, search, and filter past calculations • Name and pin saved calculations so important bills, payoff plans, and conversions are easier to find later • Mortgage scenarios save with full escrow context (property tax, insurance, HOA, escrow toggle) so reopening a saved payoff plan restores the exact inputs • Add notes to any calculation • Share calculations with notes via Messages, Mail, or any app • Lock important entries so they cannot be accidentally deleted • Optional iCloud Sync across devices **ALWAYS WITHIN REACH** • Home Screen widgets — small, medium, and large (all free) • Lock Screen widgets — accessory circular, rectangular, and inline (free) • Control Center widgets — quick actions for calculator, tip, split, discount, unit converter, loan, and copy last result • Siri Shortcuts — calculate tips, split bills, convert units including volume, and recall recent results • Apple Watch companion — calculator, tip, discount, and split right on your wrist with all 10 themes synced **THEMES AND LAYOUT** • Animated mesh gradient backgrounds with true glassmorphism • 4 free themes (Aurora, Calming Blues, Dark Glass, Pearl) plus 6 Pro themes • Square or round buttons, plus standard or alternate key layout **PRIVACY FIRST** • No tracking, no analytics, no ads, no account required • Your data stays on your device unless you choose optional iCloud Sync **ACCESSIBILITY** • VoiceOver, Dynamic Type, Increase Contrast, Reduced Motion, and alternative key layout Built by a solo developer. Thanks for supporting independent apps. Disclaimer: Calculations provided by prismCalc are for informational and illustrative purposes only. Results are estimates and do not constitute financial advice, guaranteed loan terms, or a commitment to lend. Actual rates and payments may vary based on lender-specific criteria. LaClair Technologies is not a financial institution.

About

DewCount

Read full description

Precision Meets Personality. Tired of the same old, boring calculator? Meet DewCount, the sleek and powerful calculator designed for the modern iPhone experience. Whether you're splitting a bill, finishing homework, or managing business expenses, we make math feel effortless and look beautiful. Key Features: Express Yourself: Choose from a curated library of high-quality, built-in background themes. From minimalist gradients to vibrant textures, make your workspace truly yours. Live Activities & Dynamic Island: Never lose track of your numbers. Your latest result stays pinned to the Dynamic Island and Lock Screen, so you can reference it while switching between other apps. One-Tap Copy: No more long-pressing. Copy your final result with a single tap and paste it anywhere instantly. Minimalist & Pro: A clean, distraction-free interface designed for speed and accuracy. Native iOS Feel: Fully optimized for the latest iOS, supporting haptic feedback and smooth animations. Simplify your workflow and beautify your screen. Download DewCount today!

Screenshots

prismCalc4 screens

Verdict

The call

The clearest difference is in-app purchases: DewCount at none against prismCalc's 1. prismCalc's advantage is device support. On price 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. prismCalc sells 1 one-off in-app purchase. DewCount asks for nothing beyond the download.

Scorecard2 real differences · 8 level
prismCalc versus DewCount: the parameters behind the verdict, then further details
ParameterprismCalcDewCount
PriceFreeFree
Rating5.0 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyWeekly—
AdsNo—
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, Mac, Apple Watch — better—
Requires iOS26.0 — better26.2
Further details — not scored
Size70 MB20 MB
Age rating4+4+
DeveloperPatrick LaClairShadow Tech PTE.LTD.

In-app purchases

1 purchases

prismCalc

One-time1
  • prismCalc Pro$2.99
None

DewCount

No in-app purchases

Questions

Is prismCalc free?
prismCalc is free to download, with in-app purchases available.
Is DewCount free?
DewCount is free to download, with no in-app purchases.

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